Memoirs of THE Queensland Museum Brisbane 31 July, 1975 Volume 17 Part 2 Volume 17 Part 2 Memoirs OF THE Queensland Museum Published by Order of the Board Mem. Qd Mus. 17(2): 195-235, pis. 7-26. [1975] THE GENUS MACROPUS SHAW (MARSUP1ALIA: MACROPODIDAE) IN THE UPPER CAINOZOIC DEPOSITS OF QUEENSLAND Alan Bartholomai Queensland Museunn ABSTRACT The genus Macropus Shaw, 1 790, is shown to comprise three subgenera, M. ( Macropus) Shaw, M. (Osphranter) Gould, 1842, and M. ( Prionotemnus) Stirton, 1955, on the basis of morphological and palaeontological evidence. M. ( Macropus) is known only from Pleistocene sediments, whereas the other subgenera are also well represented in the late Pliocene Chinchilla Sand. Only two species of M.( Macropus) are recorded, the most commonly encountered being M. titan, while M. rama is described as a new species. Within M. (Osphranter), four species are recognized, M. altus and M.ferragus from the Pleistocene deposits and M. pan and M. woodsi sp. nov. from the Chinchilla Sand. M. ( Prionotemnus) possibly comprises six species, four of which, M. agilis siva , M. gouldi, M. piltonensis sp. nov., and M. thor, are restricted to Pleistocene sediments. M. dryas and M. palankarinnicus are present in the Chinchilla Sand. Palaeontological evidence suggests that M. ( Macropus) was derived late in the geological history of the group and that within the other subgenera, general and occasionally particular relationships can be suggested for derivation of the recent fauna. Possible phylogenetic relationships within the M. (Osphranter) group are suggested back to the late Pliocene. In many species, statistical evaluation of most of the cheek teeth was possible, and comparisons with data from recent macropodids have been made. Representatives of the genus Macropus Shaw are very abundant in the Upper Cainozoic sediments of Queensland. Although some specimens referable to the genus came from widespread localities in Queensland, most have been derived from the Pleistocene fluviatile deposits and the Chinchilla Sand of late Pliocene age, both in the Darling Downs area, southeastern Queensland. Considerable diversity of opinion has existed regarding the generic limits of the genus Macropus and the taxonomy and temporal relationships of referred species. Bartholomai (1967, 1973a*, 1973b) has examined progressively aspects of the overall problem, and the present study clarifies the bulk of the remaining problems. Some of the results of the present study were foreshadowed in Bartho- lomai, 1972, while preliminary work on part of the older type material was included in a study by Bartholomai (1966). The availability of large samples now enables reassessment of the species to be made, especially aspects of intraspecific vari- ation, utilizing evaluation of the populations by statistical and comparative morphological means. Results contribute to a better overall understand- ing of the taxonomy of the genus Macropus, and suggest that species are of potential value in correlation of Upper Cainozoic continental de- posits. Less detailed investigation has been made of the continental distribution of fossil species of Mac- ropus, and until revisionary work has been com- pleted on collections in other Australian museums, conclusions in this area are largely tentative. Exact temporal relationships are frequently difficult to establish away from the type areas. All measurements are in millimetres. Genus Macropus Shaw, 1790 Type Species: Macropus giganteus Shaw, 1790 (validated under the plenary powers of the In- ternational Commission on Zoological Nomencla- * Erratum: In Bartholomai (1973a) the illustrations of fossils comprising Plates 21 and 23, but not the captions to these plates, were inadvertently transposed during printing. Thus the caption to Plate 21 refers to the illustrations in Plate 23 and vice versa. 196 MEMOIRS OF THE QUEENSLAND MUSEUM ture, Opinion 760, 1966, by monotypy, as in- terpreted by the neotype, Queensland Museum specimen, J10749, designated by Calaby et al., 1962, and restated by Calaby and Ride, 1964). The first large, modern macropodids were col- lected in 1 770, some sixty years before the first fossil representatives of the family were discovered. A party from Captain James Cook’s ship, the ‘En- deavour’ secured three specimens from the vicinity of the Endeavour River, near the present position of Cooktown, and from these Muller (1776) described Macropus canguru. The apparent holo- type was destroyed during the Second World War through bombing of the Royal College of Surgeons. The identity of the species, however, was in doubt, and Iredale and Troughton (1925) had previously suggested that the specimen described may have been a wallaroo rather than a kangaroo. Further complication was added when these auth- ors (Iredale and Troughton, 1937) suggested, that the specimen may have been a Whiptail Wallaby ( Macropus parryi). Both suggestions were based on unpublished work of Solander (1768-71). Raven (1939) contended that the first description was of a Grey Kangaroo, and this was strongly supported by Morrison-Scott and Sawyer (1950). In an attempt to stabilize the nomenclature, Calaby et al (1962) also reaffirmed this position and selected a neotype, Queensland Museum specimen J 10749. This specimen is a juvenile Grey Kangaroo col- lected from the Cooktown area. Ride (1963) commented further on the nomenclatural problem, and this was followed by a revised application by Calaby et al. (1963) which resulted in considerable comment. Kirkpatrick (1963) and Woods and Kirkpatrick (1964) indicated that the original specimen was a Wallaroo. Mayr (1964) and Lemche (1964) also commented on details of the case, numbered Z.N.(S.) 1584. New proposals were then outlined by Calaby and Ride (1964), and these were supported by Morrison-Scott (1964) and Finlayson (1964). Another complication was the designation by Troughton and McMichael (1964a, b) of an additional neotype, this being a Whiptail Wallaby. Voting on the case favoured the pro- position by Calaby and Ride (1964) and involved the use of the plenary powers, stabilizing the nomenclature under Opinion 760, as indicated above. Considerable diversity of opinion still remains regarding the generic limits to be applied to the genus Macropus, both in terms of its neontological and palaeontological usage. Ride (1962) concluded that ‘no confusion would result from the perfectly valid action of any author who writes about a species of wallaby or kangaroo (living or extinct) and prefers to remain non-committal about his generic concepts. Such an author may simply employ Macropus ... or he may follow a stated taxonomic list’. The problem is not a simple one and the species which may be referred to Macropus have been relegated to the following genera (or subgenera) depending on the limits placed by individual taxonomists — Macropus, Halmaturus (a junior se- condary homonym of Macropus but used for the purpose of separation), Osphranter, Fissuridon, Megaleia, Wallabia, Thylogale , Petrogale , Per- adorcas, Lagorchestes, Onychogalea, Lagostrophus, Dorcopsis, Dorcopsulus, Dorcopsoides, Den- drolagus, Setonix, Synaptodon , Prionotemnus, Pro- temnodon and Troposodon. Ride (1962) has presented an historical summary of various usages suggested by major contributors to taxonomic interpretation of the group. Genera from the above list which are apparently nomencla- turally stable in recent literature include Fissuridon, Thylogale, Petrogale, Peradorcas, Lagorchestes, Onychogalea, Lagostrophus, Dorcopsis, Dorcop- sulus, Dorcopsoides, Dendrolagus, Setonix and Troposodon. Bartholomai (1973a) defined the generic limits of Protemnodon , indicating its distinction from other macropodids. Earlier work by Stirton (1963) was supported in the contention that Protemnodon is distinct from living kangaroos and wallabies, including the Swamp Wallaby, making available the generic name, Wallabia, for at least part of this group. Progression of the cheek tooth row was con- sidered by De Vis (1895) to be of extreme importance in separation of the Queensland fossil sample into the genera Halmaturus and Macropus. The process of progression is particularly evident in kangaroos, as shown by Kirkpatrick (1963, 1964) for M. giganteus, and later (Kirkpatrick, 1965) restated for this species, and shown for Megaleia rufa and Macropus robustus, where the extent of the progression has been employed in ageing of specimens. Information on molar progression in M. rufa has also been presented in Calaby (1968). Although rate of progression is less pronounced in brush wallabies it is nevertheless significant, as indicated for M. rufogrisea by Kirkpatrick (1965), and would appear to represent differences in function in the two groups rather than generic distinction. The degree of movement in Wallabia bicolor has not been investigated to the same extent but appears to be generally comparable with that in the brush wallabies. Cytological investigation of recent macro- podines by Sharman (1961) has shown the availab- BARTHOLOMAI : MACROPUS IN UPPER CAINOZOIC 197 ility of characters previously disregarded and this has been followed by Kirsch (1968), who has examined marsupial haemoglobin and has pre- sented preliminary information for many living macropodines. According to details provided by Sharman (1961), chromosome number and sex chromosome morphology indicate the generic distinctness of Megaleia, Setonix and Lagos- trophus. In addition, middle-sized wallabies, kan- garoos and wallaroos are diphyletic with the type species of Wallabia, W. bicolor , differing markedly from the rest of this group. Serological studies by Kirsch (1968) suggest that species of wallabies and kangaroos, including W. bicolor, Megaleia and Lagorchestes are closely associated, a conclusion which cannot be verified by the fossil record because of general deficiencies in fossil samples yet available. Sharman et al. (1966) have recently investigated reproductive physiology of W. bicolor, showing it to be unique among the Macropodidae. Further, Calaby (1966) states that this species differs in behaviour and has distinctive dental characters' from the rest of the group. Calaby considers that Wallabia should be recognized as a monotypic genus, while the remainder of the wallabies, the Grey Kangaroo and the wallaroos should remain within Macropus. This action is supported by the present study. All members of Macropus are characterized by 16 (2N) chromosomes. While differences are evid- ent between species in this grouping, they are nowhere as marked as those enabling separation of Wallabia, which has a diploid complement of 10 in the female and 1 1 in the male. Ride (1970) applies this terminology, but Frith and Calaby (1969) again revert to use of Macropus for the Grey Kangaroo and wallaroos and Wallabia for all the brush wallabies. Equal area grid diagrams, as proposed by Thompson (1959), have been shown by Bartho- lomai (1973a) to be of value in illustrating gross relative size and displacement differences present between skulls of species of Macropus, Wallabia and Protemnodon, based on a skull of W. bicolor as a standard. Apart from differences between the genera noted in Bartholomai (1973a), the figures indicate a remarkable uniformity in modification of the grid to M. giganteus and the brush wallabies which possess the diploid chromosome number of 16. Separation of Macropus is further supported by the anatomy of the cheek teeth, particularly lower molars. All species referred to Macropus have high- crowned lower molars with strong links and with near vertical, lingual lophid margins and non- vertical labial margins. If ornamented, the strongly curved, posterior hypolophid surface is, with rare exception, grooved or pocketed. Protemnodon has more rectilinear and generally relatively lower lophids, and has the posterior surface of the hypolophid considerably less curved. Ornamen- tation of this surface is restricted to development of a posterior cingulum. The permanent premolar is not lost through progression. Wallabia has low crowned molars with rectilinear lophids and low links. Lateral margins of the lophids are bulbous, while the posterior hypolophid surface is not ornamented. These characters are of paramount importance in consideration of the fossil material and support the generic distinction of these forms at least. The position of Synaptodon, described by De Vis (1889), cannot be resolved at this time, because it is based on inadequate and completely undiagnostic material. The holotype of its type species, S. aevorum De Vis, F811, from the late Pliocene Chinchilla Sand at Chinchilla, was stated by De Vis (1895) to be distinguished by peculiar anterior and posterior abutting processes of the molars. Examination has shown that crowns of the molars are almost totally devoid of enamel except for the ‘processes’ and a small patch on the trigonid basin of the posterior molar. This suggests that the ‘processes’ may have resulted from weathering, particularly as remaining enamel is soft and chalky, whereas the dentine is hard and mineralized. Certainly no other specimen in the Queensland Museum collections duplicates this condition and no adequate reason apart from abnormal weather- ing can be suggested for the state of preservation of the holotype. Megaleia is not represented by fossil material in Queensland. Tedford (1967) records Megaleia in the Lake Menindee deposits in western New South Wales but applies the name in the subgeneric sense within Macropus. Megaleia is distinct from Mac- ropus on the basis of modern species but this distinctness becomes difficult to apply to fossils because of general similarity in cranial morphology between species of both genera. The last molar in the cheek teeth series in Megaleia tends to be much larger than that preceding it, a feature not common in species of Macropus. Although the description of the fossil genus Prionotemnus Stirton, 1955, is largely inadequate, an investigation of the referred sample in the University of California, Berkeley, indicates that the species is valid and that the name is available for use within the Macropus complex. For the purpose of this study, the genera Macropus, Megaleia, Wallabia and Protemnodon are recognized. Within the Macropus group, sev- eral distinct species groups are apparent and these 198 MEMOIRS OF THE QUEENSLAND MUSEUM are recognizable as far back as the late Pliocene. Broadly speaking, these correspond to the kan- garoos (excluding Megaleia), the wallaroos and the brush wallabies (excluding Wallabia ). These groups are regarded as subgenera. Generic Diagnosis: Medium to large macro- podines; cranium with rostrum markedly deflected downwards; diastema relatively elongate; lower molars with high lophids, strong links and with lingual margin of lophids near vertical and labial margins markedly divergent; posterior hypolophid surface strongly curved, and where ornamented this comprises a groove, fossette, or very rarely a posterior cingulum. Subgenus Macropus Shaw, 1790 Type Species: Macropus ( Macropus) giganteus Shaw, 1 790 (validated under the plenary powers of the International Commission on Zoological No- menclature, Opinion 760, 1966 by monotypy). Diagnosis: Medium to large macropodines with palate entire; foramen ovale unhooded and with alisphenoid only slightly grooved at margin of foramen; upper incisors form V-shaped series in occlusal view; I 3 long with labial surface marked by two deep, vertical grooves; basioccipital slightly keeled; postglenoid foramen well-developed; dias- tema elongate; palate narrow anteriorly; per- manent premolars reduced, rapidly lost during progression; upper molars with strong forelink; anterior ridge from paracone usually reduced or absent; infraorbital distance between foramen and anterior rim of orbit short; rostrum not greatly inflated; lower molars with strong posterior groove; mandible broad below anterior cheek teeth. Subgenus Osphranter Gould, 1842 Type Species: Macropus (Osphranter) anti- lopinus Gould, 1842 by monotypy. Diagnosis: Palate entire; foramen ovale hooded, with alisphenoid deeply grooved at margin of foramen; upper incisors form U-shaped series in occlusal view; I 3 quadrangular with labial surface marked by one vertical groove at anterior one- third; basioccipital moderately keeled; postglenoid foramen very reduced; diastema variable but frequently short; palate broad anteriorly; per- manent premolars relatively robust, but rapidly lost during progression; upper molars with neglig- ible to weak forelink; anterior ridge from paracone usually reduced but occasionally stronger; in- fraorbital distance between foramen and anterior rim of orbit long; rostrum moderately to greatly inflated; lower molars with strong posterior groove; mandible excavated and narrow below anterior cheek teeth. Subgenus Prionotemnus Stirton, 1955 Type Species: Macropus ( Prionotemnus) palan- karinnicus Stirton, 1955. Diagnosis: Palate with extensive post-palatine vacuities; foramen ovale hooded, with alisphenoid deeply grooved at margin of foramen; upper incisors form V-shaped series in occlusal view; I 3 triangular with vertical lateral groove in median position or even in posterior moiety; basioccipital markedly keeled; postglenoid foramen well- developed; diastema moderately elongate; palate anteriorly narrow; permanent premolars robust, retained until very old age but occasionally lost through progression; upper molars with minimal forelink; anterior ridge from paracone strong; infraorbital distance between foramen and anterior rim of orbit long; rostrum not greatly inflated; lower molars lacking posterior groove but some- times with reduced posterior cingulum; mandible broad below anterior cheek teeth. Macropus (Macropus) titan Owen, 1838 (Plate 7, Figs. 1-2; Plate 8, figs. 1^1; Plate 9, figs. 1-4; Plate 10, figs. 1-3) Macropus titan Owen, 1838, pp. 359-60, pi. 29, figs. 3-5; 1840-1845, 1, p. 392, pi. 101, figs. 1-2; 1845a, p. 236; 1845b, pp. 324-5; 1873, p. 128; 1874a, pp. 248-60, pi. 21, figs. 6-17, pi. 22, figs, 10-8, pi. 23, figs. 2-3, 12-4, pi. 26, figs. 9-15; 1874b, pp. 783-4, pi. 76, figs. 1-6; 1876, pp. 204-9, pi. 25, figs. 1, 4, pi. 26, figs. 1-2; 1877, pp. 400-11, 435-9, pi. 76, figs. 1,'4, pi. 77, figs. 1-2, pi. 78, figs. 1-2, pi. 79, figs. 1-2, pi. 8 1, figs. 6- 17, pi. 82, figs. 10-8, pi. 83, figs. 2-3, 12- 14, pi. 86, figs. 9- i 5 ; Waterhouse, 1846, pp. 58-9; McCoy, 1862, p. 145; 1867, p. 191 ; Daintree, 1872, p. 274; Etheridge Jun., 1878, pp. 183-4; 1892, p. 673; Lydekker, 1887, pp. 225-30; Anderson, 1929, pp. 35-9, pi. 17, figs. 1-3, pi. 18, figs. 1-7; Simpson, 1930, p. 73. Macropus magister De Vis, 1895, pp. 120-4, pi. 18, figs. 11-16; Bartholomai, 1966, pp. 123-4, pi. 19, figs. 1-3. Macropus faunus De Vis, 1895, pp. 127-9, pi. 18, figs. 3-6; Simpson, 1930, p. 72; Bartholomai, 1966, pp. 122-3, pi. 18, figs. 1-3. Material: F3738, cast of holotype, partial right mandibular ramus with M : broken, M 2 , P 3 removed by fenestration, juvenile, original in British Museum (Nat- ural History), No. 10777, Wellington Caves, N.S.W., from Pleistocene cave deposits (figd Owen, 1838, pi. 29, figs. 3-5; 1874a, pi. 22, figs. 17-8; 1877, pi. 82, figs. 17-18). F2924, holotype Macropus faunus De Vis, partial right maxilla with P 3 -M 3 , juvenile, Darling Downs (figd in BARTHOLOMAI : MACROPUS IN UPPER CAINOZOIC 199 part, De Vis, 1895, pi. 18, figs. 4-5; figd Bartholomai, 1966, pi. 18, figs. 1-3). F645, lectotype Macropus magister De Vis, partial cranium containing P 2 -M 2 , P 3 removed by fenestration, juvenile, Ravensthorpe, Pilton, SE.Q., (figd in part, De Vis, 1895, pi. 18, figs. 13-14; figd Bartholomai, 1966, pi. 19, figs. 1-3). Additional material referred to Macropus titan Owen comprises 74 juvenile mandibular rami, 126 adult mandi- bular rami, 4 isolated lower teeth, 1 1 cranial fragments, 25 juvenile maxillae and 84 adult maxillae from the follow- ing localities in the eastern Darling Downs: King Creek; King Creek, at M.R. 045455 Clifton 1-mile map; King Creek, at M.R.037455 Clifton 1-mile map; King Creek, near M.R.039454 Clifton 1-mile map; King Creek, near M.R. 047452 Clifton 1-mile map; King Creek, Man- apouri, at M.R. 099465 Liverpool Range 1-mile map; King Creek, at M.R. 098465 Liverpool Range 1-mile map; King Creek, at M.R. 048457 Clifton 1-mile map; King Creek, between Pilton and Nobby; Ravensthorpe, Pilton; Clifton; ?Pilton; Pilton; Spring Creek; Freestone Creek; Westbrook Creek, near Kingsthorpe; Hirstglen; Gowrie; Gowrie Creek; well at depth of c. 2 m, between Gowrie Creek and radio station 4AK, Oakey; in sewerage drain at c. 10 m, Dalby; near Dalby, Condamine River at Spring- vale; Jimbour Creek near Dalby; Jimbour Creek, about 3 km south of Jimbour; bank of Condamine River, at M.R. 043426 Dalby 1-mile map; Jimbour District; Cam- booya, and from the eastern Darling Downs (particular localities unspecified). A juvenile mandibular ramus from Chinchilla is re- ferred to M. titan , as is a juvenile mandible from the Nogoa River, near Rawbelle, mid E.Q., a mandible from Jimboomba, SE.Q., and an adult maxillary fragment from Rubyvale, near Anakie, C.Q. Specific Diagnosis: A large species. Diastema elongate. P 2 relatively small with longitudinal crest normally bifid and with strong, well-defined post- erolingual cuspid, DP 3 and lower molars with high, slightly curved lophids and strong, high links and high anterior cingulum. Posterior surface of hy- polophid with near vertical groove and well-defined posterior fossette. P 3 small, usually with bifid longitudinal crest, but occasionally trifid ; postero- lingual cuspid present, close to posterior cuspid of crest and united to this by high ridge. P 2 with well- defined cusps and high bifid longitudinal crest; protocone least well developed; cuspule present labiad to metacone. DP 3 and upper molars with high lophs and mid-links; forelink present, re- latively well-defined. P 3 small, with longitudinal crest normally bifid but occasionally trifid; hy- pocone well-defined but low; protocone absent. Description: Mandible moderately deep, re- latively thick; base of symphysis deflected at lower level than general base of ramus, near planar; symphysis very elongate, shallow, not ankylosed, rugose; geniohyal pit moderately deep, above posterior symphysial limit; diastema very elongate, with diastemal crest posteriorly acute, less acute anteriorly; ventral margin of ramus rounded between symphysis and extremely weak digastric ridge and process. Mental foramen moderately large, oval, usually set well below diastemal crest, well anterior to anterior root of P 3 . Ramus with relatively shallow lateral groove extending pos- teriorly from just below posterior diastemal crest to below anterior root M 2 , close to alveolar margin. Digastric process separated from base of angle by very shallow post-digastric sulcus, bounded above by shallow digastric fossa; this fossa separated above from broad depression opening posteriorly into pterygoid fossa. Post-alveolar shelf short, with angle not well-developed, leading to post- alveolar ridge, ascending posteriorly to disappear on mesial wall of coronoid process, above large mandibular foramen. Masseteric crest raised to about level of occlusion of cheek teeth; masseteric foramen moderately large, with masseteric fossa relatively deep. Angle of mandible markedly inflected. Anterior margin of coronoid process near vertical. Bulk of angle of mandible, coronoid process and condyle not preserved in any specimen. I L elongate, lanceolate, deeply rooted; slightly curved in lateral view, markedly curved in occlusal view, developing subhorizontal facet of wear with upper incisors and mesial wear facet at tip by approximation with other lower incisor; root compressed, oval in section; crown subquadrantal in section, tapering and blade-like anteriorly, enamelled laterally, this produced dorsolabially and ventrolingually into flanges; crown also en- amelled ventromesially; distally, subhoF zontal dorsal wear facet develops rapidly, but tip is not rounded. P 2 relatively small, short, approximately suboval in occlusal view, with lingual surface slightly convex and labial surface markedly convex. Ante- rior cuspid with well defined anterolingual and posterolabial ridges, the latter contributing to a poorly defined longitudinal crest; poorly developed cuspule present along anterolingual ridge; post- erolabial cuspid with well-defined anterolingual ridge curving and descending to unite with ridge from anterior cuspid, as continuation of longitu- dinal crest; crest usually markedly bifid with well defined labial and lingual grooves present near mid-point; occasionally two, well-defined labial grooves are present, in close juxtaposition, cor- responding with two lingual grooves, producing a trifid longitudinal crest; grooves sometimes re- duced; strong, ornamented lingual ridge oc- casionally descends from posterior moiety of crest towards posterolingual cuspule; posterior ridge 200 MEMOIRS OF THE QUEENSLAND MUSEUM from posterolabial cuspule curves into mesial posterior groove, sometimes uniting with labial ridge descending from posterolingual cuspule. Major posterior ridge from that cuspule curves anterolingually to terminate in slight basin formed between posterior cuspids; anterior ridge from posterolingual cuspule descends slightly lingually to base of crown towards lingual groove from longitudinal crest. Lingual base of crown some- times tumescent. Posterior of crown occasionally with angular ridge present at lingual margin. DP 3 molariform, subrectangular in basal out- line, slightly constricted across talonid basin, with lophids moderately high, convex posteriorly. Hy- polophid much broader than protolophid. Tri- gonid basin relatively broad, its length being less than distance between lophids. Forelink high, strong, abruptly curving anterolingually from protoconid to point well labiad to mid-point of high anterior cingulum; cingulum more anteriorly extended at anterolingual margin than elsewhere. Trigonid slopes lingually, and more strongly labi- ally and posteriorly from forelink and cingular margin; well-defined anterolabial fossette present while lingual moiety of trigonid somewhat broadly V-shaped. Slight ridges descend anteriorly and posteriorly from metaconid. Hypoconid with strong, high ridge curving anterolingually across talonid basin as midlink, uniting with strong posterior ridge from protoconid, close to pro- tolophid, labiad to mid-line; weak anterior ridge from entoconid descends into talonid. Talonid slopes labially and lingually from midlink; basin broadly U-shaped in lingual moiety, sharply V- shaped labially; slight accessory ridges occasionally present near anterior of crest of hypolophid. Slight ridge descends posteriorly from entoconid, while stronger ridge descends from near mid-point of posterior surface of hypolophid, curving to post- erolingual margin well above crown base, uniting with entoconid ridge to delimit well-defined pos- terior fossette; fossette emphasised by near vertical, broad groove in posterior surface of hypolophid. Labial bases of lophids much more expansive than lingual, giving crown appearance of flexure about labial limit of talonid; base of crown occasionally slightly tumescent at labial limit of talonid. P 3 small, short, subtriangular in occlusal view, with crown somewhat constricted at anterior one- third; labial margin slightly convex, while lingual margin markedly concave; anterior cuspid well- defined, usually with moderately weak postero- labial ridge descending as longitudinal crest; ante- rior ridge poorly defined; posterolabial cuspid also well-defined with anterolingual ridge normally descending to unite with other portion of crest above crown constriction; strong vertical labial and lingual grooves usually present at anterior one- third, giving crest a marked bifid appearance in labial view; grooves sometimes poorly developed with reduction in V-shaped appearance of crest; occasionally second set of vertical labial and lingual grooves present resulting in trifid ap- pearance of crest; normally central area of crest depressed, but occasionally near planar where trifid condition prevails; broad, posterior ridge descends from posterolabial cuspids towards crown base, while high, well-defined lingual ridge unites cuspid with well-defined, but lower posterolingual cus- pid; this posterior crest usually concave pos- teriorly, with broad, vertical, posterior groove present; slight anterior and posterior ridges de- scend from posterolingual cuspid. Base of crown normally unornamented. M x ., petrosal tympanic wing of periotic; ps., presphenoid; pt., pterygoid; s.e.s., squamosal epitympanic sinus; s.f, sphenorbital fissure or foramen; stf, stylomastoid foramen; sq., squamosal; t.a.r., tip of ascending ramus; t.c., transverse canal. A-P indicate measurements given in Table 2. C. Terminology of the left ear based on WAM M8041 ././., fold lines of pinna; h., helix; pi., pinna; st., supratragus. D. Terminology of the left hind-foot, based on WAM M6181. a.m.g., anterior metatarsal granule; d2~4, digits 2 through 4; g. of i.p.2 , apical granule of 2nd interdigital pad; ha., hallux; he., heel; h.g., hallucal granule; i.p.2, 2nd interdigital pad; i.p.3 + g., 3rd interdigital pad and apical granule; i.p.4 + g., 4th interdigital pad and apical granule; ph.g., post-hallucal granule; ph.p., post-hallucal pad; p.m.g., posterior metatarsal granule; t.p.2-4, terminal pads 2 through 4. 240 MEMOIRS OF THE QUEENSLAND MUSEUM periotic tympanic wing (from petrosal part) well- developed; mastoid tympanic wing only just de- veloped; ectotympanic develops very small tym- panic wing in forms with smallest alisphenoid tympanic wing (N. timealeyi); paroccipital does not develop a tympanic wing although it encloses a small non-auditory sinus; squamosal develops small epitympanic sinus continuous with post- glenoid cavity; an abrupt break occurs in the periotic’s lateral surface at the level of the horizon- tal semicircular canal; the mastoid part of the periotic is swollen laterally, the result of a grossly enlarged floccular fossa; foramen pseudovale long and narrow; no true foramen ovale ever develops; entocarotid foramen large, mesial to foramen pseudovale, and leads via short canal to en- docranium; no direct ventral observation through entocarotid foramen possible; transverse canal large and pierces basisphenoid mesial to anterior ends of alisphenoid tympanic wings; transverse canal foramen leads directly into endocranial sulcus for entocarotid artery and does not appear to pass transversely through basisphenoid; post- glenoid foramen pierces postglenoid cavity im- mediately posterior to postglenoid process and is separated by thin transparent bone from the much enlarged subsquamosal foramen; entire roof of postglenoid cavity thin, transparent, and functions solely to floor large postglenoid canal; posterior surface of postglenoid process almost horizontal and continuous with roof of postglenoid cavity; rim of postglenoid foramen penetrated anteriorly by postzygomatic foramen which leads into zygo- matic arch; small branch of postzygomatic pene- trates external surface of zygomatic arch; internal jugular canal very well-developed between basi- occipital and periotic with a very steep to vertical basioccipital wall; internal jugular canal actually penetrates basioccipital at anterior end; posterior lacerate foramen passes between paroccipital and periotic dorso-mesially to paroccipital process; complete stylomastoid foramen bordered ante- riorly by periotic with small slip of squamosal on ventro-lateral rim; small foramen rotundum floored by variably enlarged shelf of alisphenoid; large sphenorbital fissure; basisphenoid with median ventral keel; ectotympanic wide with marked sulcus and crest associated with pars tensa of tympanic membrane; anterior (dorsal) end of ectotympanic helps enclose mesial wall of post- glenoid canal; anterior end of ectotympanic poin- ted, posterior end blunt; incus as in Sminthopsis and other small dasyurids, articulates (not fused) with malleus, with short incudal and long stapedial processes, latter with oval lenticular process at distal end; malleus with pronounced orbicular apophysis, small anterior dorsal spine on head, pronounced capitular crest and lamina, and non- expanded distal tip on manubrium; tubular periotic hypotympanic sinus and almost total lack of development of mastoid epitympanic sinus; in- cudal fossa of epitympanic recess of periotic large, with well-developed lateral squamosal wall; no sulcus or canal connects facial nerve canal or sulcus with postglenoid canal; periotic horizontal antero- lateral projection from epitympanic recess contacts postglenoid foramen and almost excludes squa- mosal from roof of postglenoid cavity; facial nerve canal large and sulcus well-developed; small for- amina sometimes (e.g. WAM M6181) pierce mas- toid tympanic wing; fenestra ovalis subrounded rather than oval; endocranial structure of periotic largely unknown because specimens intact but clear that floccular fossa very large and deep, internal auditory meatus divided into widely sep- arate passages for facial and auditory nerves; squamosal reduced in all directions by surrounding bones and squamosal hypotympanic sinus also small; stapes as in other dasyurids, imperforate, collumnar, and with small posterior process for attachment of stapedial muscle and tendon; den- tary shallow ventral to teeth; lateral surface of ascending ramus wide; angular process long and slender; mental foramen beneath Mj or M 2 . Dentition : (Fig. 2 ; Plate 28A, B). 1 1 tallest upper incisor and set off from I 2 by diastema; I 2 taller- crowned or subequal to I 3 which is taller-crowned than I 4 ; I 2-4 subequal in crown length; slight buccal cingula developed I 1-4 ; I 4 lacks posterior cingular cusp or lobe; diastema separates I 4 from C 1 ; C 1 taller-crowned than any premolar except some- times P 4 which may be subequal in size; O-P 4 not crowded in adult condition, small spaces separat- ing all teeth; in adult condition P 1 just shorter- crowned than P 3 which is markedly shorter- crowned than P 4 ; buccal cingula complete C 3 -P 3 but incomplete P 4 and sometimes incomplete C 1 ; lingual cingula complete P 1-3 but incomplete C 1 and P 4 ; posterior and anterior cingular cusps present P 1-4 but only posterior cusp present C 1 ; anterior cingular cusps may be small on C 1 , P 1 and P 4 ; P 4 blade-like with convex postero-buccal flank; DP 4 (WAM M8081) small with two very closely approximated cusps, paracone and metacone, a very small and low protocone, and no stylar cusps; all cusps except protocone linked by longitudinal buccal crest; M 1 narrower than M 2 which is subequal to M 3 which is wider than M 4 ; M 1 longer than M 2 which is longer than M 3 which is longer than M 4 ; paracone increases in size posteriorly but is reduced overall relative to most other dasyurids; ARCHER: N INGA \JI, A NEW GENUS OF DASYURIDS 241 Fig. 2: The terminology of the dentition of Ningaui spp. A, lower right Pj-M 4 . B, upper right P^M 4 . C, lower right M 3 . D, upper right M 3 . a.c., anterior cingulum; a.prcr., anterior protocrista or preprotocrista; c.n., carnassial notch; c.o,, crista obliqua; e., ectoflexus; end, entoconid; hycd, hyporistid; hyd, hypoconid; hyld, hypoconulid; hyld.n., hypoconulid notch; me., metacone; mec., metacrista; meed, metacristid; meed.f, metacristid fissure or cranassial notch; med, metaconid; mst., metastylar corner of tooth; mstd, metastylid; pa., paracone; pac., paracrista; pacd., -aracristid; paed.f, paracristid fissure or cranassial notch; pad, paraconid; p.c.c., posterior cingular cusp; pf, prefossa; p.prer., posterior protocrista or postprotocrista; pr., protocone; prd, protoconid; prgd, precingulid or anterior cingulum; psgd, postcingulid or posterior cingulum; pstd, parastylid; stA, stylar cusp A or position of stA; stB, stylar cusp B; stC, stylar cusp C or position of stC; stD, stylar cusp D; stE, stylar cusp E. 242 MEMOIRS OF THE QUEENSLAND MUSEUM paracone and metacone approximated; metacone M 2 taller than subequal metacones M 1 and M 3 ; metacone M 4 absent; protocone small overall and decreases in size posteriorly; very slight pro- toconule development M 1 3 ; no metaconule de- velopment; protocone basin opens posteriorly; anterior cingulum complete M 1 only antero-buccal cingula well-developed M 1 ^ 4 ; no posterior cingula; stD present M 1 3 and decrease in size posteriorly; stB present or position at end of paracrista clear M 1 4 ; stB M 1 variably developed and may even be absent in some specimens (e.g. WAM M6181) where stB and stA may be indistinguishable; stE variably present M 1-3 and if present tiny; stA indistinguishable M 2-3 and sometimes M 1 ; para- crista increases in size posteriorly M 1 ' 4 ; metacrista M 1 just shorter than that of M 2 which is longer than that of M 3 ; ectoflexus increases posteriorly from M 1 to M 3 ; Ij taller-crowned and longer than I 2 which is taller-crowned and larger than I 3 ; I ]_ 3 with slight postero-buccal cingula; poorly- developed posterior cingulum 1 3 ; no diastema between I 3 and Cu C, with buccal and lingual cingula; Cj premolariform but just taller-crowned than any premolar; Pj shorter-crowned than P 3 which is longer-crowned than P 4 ; Q-P 3 wide and contrast with relatively narrow P 4 ; small anterior but well-developed posterior cusps present P, _ 4 ; well-developed buccal but slightly-developed lin- gual cingula P^; premolars contact one another antero-posteriorly but are not crowded; dP 4 two- rooted with one main cusp, the protoconid, and possibly a very small posterior cingular cusp; M 2 _4 subequal in length and just longer than M,; talonid wider, M 2 subequal to, and M 3 _4 narrower than talonid; protoconid increases in height pos- teriorly from Mj to M 3 ; protoconid M 4 subequal to that of M*; metaconid Mj just shorter than subequal metaconids M 2 paraconid M 1-4 in- creases in height posteriorly; hypoconid subequal in height M x 3 but just shorter in M 4 ; entoconid miniscule and variably absent M 4 ; extremely tiny metastylid sometimes present (e.g. WAM M8080) M 2 ^ 3 ; notch for hypoconulid or its hom- ologue in P 4 occurs in anterior cingulum Mj_ 4 ; anterior and posterior cingula well-developed M^; slight buccal cingula formed only on Mu no lingual cingulum M x _ 4 or posterior cingulum M 4 ; paracristid M 3 shorter than and directed more anteriorly than that crest in M^; paracristid M 4 shorter than subequal paracristids M 2 3 ; metacris- tids Mj 3 increase in length posteriorly; metacristid M 4 shorter than that of M 3 ; carnassial notch metacristids well lingual to midpoint of crest; hypocristid longest in M 2 , subequal in M l and M 3 , and shortest or absent in M 4 ; crista obliqua longest in M 4 and subequal in M t _ 3 ; crista obliqua intersects trigonid well buccal to point below metacristid carnassial notch on all molars except M 4 where this crest intersects trigonid below metaconid; hypocristid links hypoconid and hy- poconulid and does not contact very small en- toconid; metacristid and hypocristid M 2 _ 4 almost transverse to long axis of cheek-tooth row; differ- ence in height of smaller paraconid and larger metaconid decreases posteriorly from to M 4 , two cusps being subequal in M 4 ; hypoconulid locks into gap (hypoconulid notch) of antero-lingual cingulum of each posterior molar; no cristid links hypoconulid and entoconid; well-developed fissure in paracristid and slight fissure in metacristid M 2 _ 4 ,; these fissures in Mj very small; tiny parastylid variably developed on M 3 _ 4 . Discussion In diagnosing Ningaui comparison has been made with Sminthopsis and Planigale. There is little risk of confusion with larger forms such as Antechinus or Phascogale , or with the long-limbed form Anteehinomys which in a number of charac- teristics is very similar to some species of Smin- thopsis. The species of Anteehinomys share the same characters with species of Sminthopsis that enable those species to be distinguished from species of Ningaui, i.e. long narrow hind feet (in Anteehinomys there is additionally a total loss of the hallux) without enlarged post-interdigital gran- ules, and a broad contact on the outside of the skull between the squamosal and frontal bones. The characters used in the diagnosis of Ningaui are not all absolute because some are not ex- pressions of exclusive presence in or absence from Ningaui. Ningaui must be related to other taxa and it is to be expected that even the diagnostic characters of the genus will reflect these re- lationships. The use of the character of the post-interdigital enlarged granules in the diagnosis should not be taken to imply that these granules are invariably small in Sminthopsis. Some species of Sminthopsis possess slightly or variably enlarged post- interdigital granules, but none have all four post- interdigital granules conspicuously enlarged. For example in the four known specimens of S. longicaudata, the three which have feet preserved show an enlarged hallucal and a single enlarged metatarsal granule. However, this species is at once distinguishable from species of Ningaui by its possession of the other Sminthopsis characters noted above as well as by the extremely long tail (twice the length of the head and body). Sminthopsis murina and S. leucopus are species which do not ARCHER: NINGAUI, A NEW GENUS OF DASYUR1DS 243 normally possess enlarged metatarsal granules, but one and even two metatarsal granules, as well as a hallucal granule, sometimes occur in abnormal specimens. For example, WAM Ml 854 S. murina has an enlarged hallucal, post-hallucal and slightly enlarged posterior metatarsal granule. Some speci- mens (e.g. Macleay Museum M 1 183) of 5. rufigenis from the Herbert River in Queensland have a slightly enlarged oval posterior metatarsal granule and an enlarged hallucal granule. These species of Sminthopsis , however, are otherwise unlike species of Ningaui. In considering the diagnostic dental characters of Ningaui, Sminthopsis ooldea (= Sminthopsis murina ooldea Troughton, 1965) demonstrates some of the dental characters of species of Ningaui . For example WAM M8077 has slightly reduced paracones and talonids, although the degree of reduction is not as great as that in species of Ningaui. In all other respects S. ooldea possesses Sminthopsis characters and is easily distinguished from specimens of species of Ningaui. Because of the blurring of these diagnostic characters between Ningaui and Sminthopsis it is tempting to regard Ningaui as a possible derivative or ancestor of that genus. Many of the characters of Ningaui occur in Sminthopsis as well, where they occur as arid-adaptations of the structurally more generalized form. For example, a detailed study of Sminthopsis (in preparation) reveals that there are several species-groups which probably have ach- ieved arid-adaptation independently. Characters involved in such arid-adaptation include small body size, relatively short premolar rows, well- evacuated palates, and high-crowned teeth. Some of these characters can possibly be interpreted as mechanical rather than physiological specializ- ations demanded by thick cuticles of prey species of that environment. In the case of these very small mammals, prey species are likely to be insects with hard cuticles and small vertebrates such as skinks.To masticate such foods it is necessary to have teeth mainly adapted to shear; this may be the reason for the relatively enlarged metacones and trigonids. However, some characters cannot, at present, be understood as mechanical adaptations, such as the lack of contact between the squamosal and frontal. The presence of a squamosal-frontal contact has a peculiar distribution among mar- supials. It is present in some Antechinus macdon- nellensis, Neophascogale and Phascolosorex spp., some Phascolarctos cinereus (Ride 1957), Vom- batids, all Sminthopsis spp., Thylacinus spp., at least some borhyaenids (those whose condition can be determined from figures of Sinclair 1906), hypsiprimnodontine and potoroine macropodids (Pearson 1950), peramelids (ibid, and all living genera checked by the present author), zygomat- urine, palorchestine and nototheriine diprotodon- tids (Stirton 1967, Woodburne 1967). It is not present in other dasyurids, macropodine macro- podids (Pearson 1950), didelphoids (ibid and absence confirmed in this study in Didelphis, Marmosa, Monodelphis, Metachirus, and Philan- der ), caenolestoids (ibid and confirmed in this study in Caenolestes), and all other phalangeroids. The absence of this character from all didelphoids and caenolestoids does not suggest that, among mar- supials in general, the character is primitive. Moreover, among Australian marsupials it is absent from generalized phalangeroids. If the presence of a squamoso-frontal contact is primitive it would seem that a number of marsupial phyla have achieved it independently from more primi- tive forms. I would suggest that the characters of Smin- thopsis are a derivation from a non-arid-adapted Ningaui-\ike ancestor. Origin of Generic Name The generic name Ningaui is here given mascu- line gender. It is an Aboriginal name given to tiny mythological beings that are hairy, have short feet, and only come out at night to hunt for food all of which is eaten raw (Roberts and Mountford 1969). The allusion to these dasyurids involves their very tiny size, hairy and (compared with the related dasyurid Sminthopsis spp.) short feet, and noctur- nal habits. Species The genus Ningaui contains two species: N. timealeyi and N. ridei. Ningaui timealeyi sp. nov. (Figs. 1-3; Plates 28A-C, 29A) Planigale tenuirostris: Ride, 1970, pp. 120, 200 (in part) (nec Troughton 1928). Holotype: Western Australian Museum specimen WAM M6181, young adult female, skull, dentaries, and carcase in spirit, collected by Mr A. Snell, 7 July 1963, 32-2 km southeast of Mt. Robinson, northwestern Western Australia. Specimen ‘caught while escaping burning Spinifex’. Paratypes: WAM M5076, male collected 1957 (E. H. M. Ealey, in litt., 19 September 1972) by Dr E. H. M. Ealey from aerodrome of Abydos Station, W.A. (21 °25'S 118°54'E). WAM M8041, male, collected July 1969 by Mr T. Fletcher at Kangan Station, W.A. (21 °09'S 118 G 30'E). WAM M8042, male, collected June 1969 by Mr T. Fletcher from Pilbara Townsite, W.A. (21 °15'S 118°18'E). 244 MEMOIRS OF THE QUEENSLAND MUSEUM Referred Specimen: WAM M8729, female, found by Messrs A. Baynes and M. K. Youngson 15 December 1968, in small cave in breakaway about 30 m above sea level, on North West Cape near lighthouse (21°48'S 114°6'E). Found freshly killed with head missing, presumably removed by predator. Specimen referred to N. timealeyi on basis of foot structure and general appearance. Diagnosis This species differs from N. ridei as follows: Inner and outer posterior metatarsal granules of hind feet elongate; distal end of hallux extends to level of or beyond posterior edge of interdigital pads; hind foot relatively short (HF/NV ratio between 0T7 and 020); supratragus of ear relatively long antero- posteriorly; tail exceeds nose-vent length; ali- sphenoid tympanic wing relatively less well- developed (M 1-3 /outside bullar distance-inside bullar distance value 0-69); I 2 length approximately equals I 4 ; nasals may be slightly expanded pos- teriorly; uninflated ventral portion of periotic larger than periotic tympanic wing; paracrista M 4 considerably larger than that of M 3 . Description Pelage: Ridgeway (1912) colours for holotype (spirit specimen) are as follows: side of face Salmon Colour to Bister; mid-back near Blackish Brown (3) to Chaetura Black; belly near Massicot Yellow to Pale Chalcedony Yellow. Tail: All specimens have thin tails which exceed nose-vent length (TV/NV ration between 1-13 and 1 36). Hind Feet: Pads somewhat variable. In holo- type, posterior metatarsal granule shorter than post-hallucal granule; in WAM M5076 posterior metatarsal granule present. Hallucal granule also varies in similar manner. WAM M5076, left foot, post-hallucal granule entire; right foot with divided but small separate granule at anterior end. Gran- ules barely striate (when held in incident light some striae reflect light demonstrating very slight surface expression; in others striae are visible, but without surface expression, e.g. as in holotype). Ear: Supratragus of ear relatively long antero- posteriorly (St/E ratio between 0-25 and 0-29). Nipple Number: Six (holotype and referred specimen WAM M8729). Skull and Dentition: Table 1 gives absolute measurements and ratio values. Dorsal, ventral and lateral views of holotype shown in Fig! 3. Characters of teeth shown in Plate 28 where they are accurately illustrated by use of scanning electron microscope. In Fig. 3 damaged areas illustrated unrestored. For example, portion of left jugal, both hamular processes of pterygoid, both alisphenoid tympanic wings and right ectotym- panic missing or broken. Also portion of right tympanic wing displaced towards basicranial mid- line and minor depressed fracture of right ali- sphenoid. Mild asymmetry of basicranium ac- curately illustrated. Some basisphenoid foramina of holotype not prepared sufficiently for illus- tration and as result condition in WAM M8042 shown in Plate 29. In Fig. 3C dentary slightly tilted such that tip of ascending ramus rotated buccally. This shortens apparent distance between tip of angular process and articular condyle. Nasals as shown in Fig. 3A appear to expand posteriorly slightly more than they actually do in holotype. In Figs. 3B and 3C teeth only approximations and their characters should be examined in Plate 28. Figs. 2A and 2B have been made using a camera lucida. Habitat Burbidge (1959) and Ealey (1967) give habitat information for Abydos Woodstock area which includes locality of paratype WAM M5076. Bur- bidge (1959) describes flat plain areas as spinifex (Triodia) steppe with Acacia pyrifolia, Grevillea pyramidalis and Eucalyptus dichromophloia. Al- though Triodia dominates the grasses, other small plants and bushes occur sporadically. Ealey (1967) describes area as one of erratic summer rainfall (between ten and twelve inches per annum) in which driest months are September to November. He notes that since 1915 number of native grasses in area severely reduced as result of stocking with sheep. Paratype WAM M5076 collected by Ealey amongst Triodia pungens and T. lanigera. Ealey (in litt. 19 September 1972) adds that habitat was shallow sand overlying hard pan with very sparse corkbark trees. Collection area about half mile from water and granite outcrops. Reproduction Holotype has relatively undeveloped nipples. WAM M8041 and WAM M8042 juvenile males collected June and July. Referred specimen WAM M8729 collected in middle December and probably lactating. Has very well-developed pouch with six large nipples. Origin of Specific Name The specific name is in honour of Dr E. H. M. (‘Tim’) Ealey, of Monash University, who besides collecting the first known specimen of a species of Ningaui while an officer of the Wildlife Survey Section of CSIRO, was also responsible for the collection of specimens of rare and little-known species such as Antechinus rosamondae from ARCHER: N INGA UI, A NEW GENUS OF DASYUR1DS 245 Fig. 3: Holotype Ningaui timealeyi sp. nov. (WAM M6181). A, dorsal; B, ventral; C, lateral skull and dentary. Nasals, left jugal and parts of basicranium damaged. Right ectotympanic and most of left and right alisphenoid tympanic wings missing. See text for comments. Line represents one mm. 246 MEMOIRS OF THE QUEENSLAND MUSEUM northwestern Western Australia from 1953 to 1962. Ningaui ridei sp. nov. (Fig. 4; Plates 27, 28D, 29B) Plcmigale ingrami: Ride, 1970, pp. 120, 238, pi. 35 (as Planigale, close to P. ingrami), (in part) (nee Thomas 1906). Holotype: Western Australian Museum WAM M8080, very young adult female with P4 erupting, skull, dentaries and spirit carcase, caught by Dr and Mrs E. Pianka, February 1967, 38-6 km along White Cliffs Road East-northeast of Laverton, Western Australia (28°30'S I22°47'E). Paratype: WAM M8081, juvenile male with dP4 in place, same collection locality as holotype WAM M8080. Diagnosis N. ridei differs from N. timealeyi as follows: Post- hallucal and metatarsal granules generally more oval than elongate; distal end of hallux does not reach base of interdigital pads; supratragus outer edge of ear relatively short; tail- vent length just less than nose-vent length; alisphenoid tympanic wing well-developed; periotic tympanic wing relatively large; I 2 just larger than I 4 and somewhat recurved; nasals do not appear to expand posteriorly; paracrista M 4 subequal to paracrista M 3 . Description Pelage: Ridgway (1912) colours for holotype (spirit specimen) as follows: side of face near Salmon Colour to Buffy Brown; mid-back near Fiscous-Black to Chaetura Black; belly near Ivory Yellow to Pale Russian Blue. Tail: All specimens have thin, relatively short tails (TV/NV ratio 0-96 and 0-97). Hind Feet: All hallucal and metatarsal granules on hind feet of holotype oval. However, hallucal and posterior metatarsal granules of paratype more elongate than oval; interdigital pad granules either long, partially fused series of small median granules, or shorter somewhat oval apical granule; left foot of holotype shows questionably fused median granules on 2nd and 4th interdigital pads and smaller but isolated apical granule on 3rd interdigital pad; in paratype, situation similar with 3rd interdigital pad having unfused but enlarged oval apical granule; 4th interdigital pad appears to have fused elongated apical granule; 2nd in- terdigital pad has elongate apical granule but margins indented halfway along to suggest incom- plete fusion of median granules; some suggestion of slightly enlarged granule between hallucal and apical granule of 2nd interdigital pad of left foot of paratype; as result, three conspicuous but smaller inner post-interdigital pad granules present; in holotype only two, a hallucal granule and one between it and apical granule of 2nd interdigital pad. Ear: All specimens have relatively short outer edge of supratargus (St/E ratio 0-20 and 0-22). Nipple Number: The holotype is a young female with seven barely distinguishable nipples. The referred specimen is a juvenile male. Skull and Dentition: Holotype just barely adult (P4 practically fully erupted); paratype TABLE 1 : External Measurements (mm) of Ningaui timealeyi and N. ridei gen. et spp. nov. Species TV NV HF E St TV/NV HF/NV St/E N. timealeyi WAM M6181 62-0 55-0 10-0 10-6 3-0 1.13 0-18 0-28 WAM M8041 680 ? 10-0 11-7 3-4 1 36 0-20 0-29 WAM M8042 79-0 ? 10-0 — — 1-32 0-17 — WAM M5076 650 57-0 11-0 11-5 2-9 1-14 0-19 0-25 WAM M8729 650 — 9-0 — — — — — X 67-8 56-0 100 11-3 3-1 s 6-61 1-41 0-71 0-59 0-27 V 9-75 2-52 7-10 5-22 8-71 N. ridei WAM M8080* 50-6 53-0 11-6 10-9 2-2 0-96 0-21 0-20 WAM M8081* 48-0 49-7 11-3 11-3 2-5 0-97 0-23 0-22 X 49-3 51 4 11-5 111 2-4 ^Indicates juvenile or very young adult specimens whose absolute body measurements are probably not indicative of adult body measurements. Abbreviations: TV = tail tip to cloacal vent; NV = nose tip to cloacal vent; HF = hind foot from heel to toe tips not including claws; E = ear from base of notch to tip of pinna; St = supratragus maximum length. ARCHER: N INGA VI, A NEW GENUS OF DASYURIDS Fig. 4: Holotype Ningaui ridei sp. nov. (WAM M8080). Damage described in text. Line represents one mm. juvenile (dP4 in place). Absolute and relative ratio values given in Table 1. As noted above, the periotic and alisphenoid tympanic wings of N. ridei are more enlarged than those of N. timealeyi (Plate 29). It is possible that in older individuals of N. ridei this difference may become even greater. Habitat The only two specimens were caught by Dr and Mrs Pianka in February 1967. The holotype was caught in a pit trap dug for lizards. The paratype was collected in spinifex (Triodia). Pianka and Pianka (1970) describe the area within which the holotype and paratype were collected, as open savannah woodland with gently rolling red sand plains, and low lying Triodia meadows. The woodland consists in part of mallee eucalypt and Eucalyptus gongylocarpa, some of which grow to 1 5 m in height, as well as Acacia sp. and a ground cover of Triodia. 247 ^Indicates measurements made on juvenile or very young adult specimens which are probably smaller than corresponding measurements made on adult specimens. For example, antero-posterior growth of rostrum and dentary increases A, E, K and L. Similarly, growth of cranium in lateral direction increases B, C, D, H, and I. 248 MEMOIRS OF THE QUEENSLAND MUSEUM Ningaui ridei in Captivity The holotype was kept in captivity until 1 3 April 1967, during which time it was photographed. It was also drawn by Mrs E. Fry and forms the basis of plate 35 in Ride (1970). The photographs (Plate 27) reveal that in some respects the living animal does not clearly resemble species of either Smin- thopsis or Planigale. The body is covered with guard hairs which give the animal a bristly appearance, not unlike that of Antechinus apicalis , but markedly unlike that of any Sminthopsis I have seen. It does resemble the pelage condition of Planigale gilesi as suggested by photographs in Aitken (1972). The photographs show that the foot width is broader than that of Sminthopsis but distinctly narrower than the feet of Planigale. The animal has been photographed while eating a large grasshopper (Austracris guttulosa, in litt. J. H. Calaby, 1973). Although the initial seizing of the grasshopper’s head is made with the front of the mouth, appendages and projecting body parts are subsequently shifted to the molar region of the dentition where they are sheared off by the large metacristae and paracristids. Dr W. D. L. Ride (pers. comm.) noted that the jumping legs of the grasshopper were quickly severed, perhaps as a way of immobilizing the animal. Discussion The holotype of N. ridei is a young adult animal and the paratype a juvenile. All of the specimens representing N. timealeyi are adult. Because of this age difference, many of the cranial ratios given in Table 1 are not directly comparable between the two species of the genus. There are other characters of the canine and premolar region which, when more specimens referable to N. ridei are available and the degree of variation is better understood, may prove to be diagnostic. For example, in the only specimen of N. ridei in which P 4 is visible, it considerably exceeds in length the crown of P, . In N. timealeyi on the other hand, the P 4 crown is approximately the same length as that of Pj. There also appears to be a difference in the shape of the premolars. In N. ridei P 1 appears to be broader and more massive in appearance than P 1 of N . timealeyi. Similarly, and P! of N. timealeyi appear relatively more elongate and narrower than those teeth in N. ridei. The difference in nipple number may, when more specimens of both species are know, prove to be diagnostic. At the moment these characters are not listed in the diagnosis because it is not clear how much variation will be demonstrated by larger samples. Origin of Specific Name The specific name is in honour of Dr W. D. L. Ride, who recognized the complexity and possibly polyphyletic nature of the small marsupials earlier referred to Planigale, including the forms described here as species of Ningaui. RE-DIAGNOSIS OF PLANIGALE The recognition of the difference between species of Ningaui and those of Planigale enables the genus Planigale to be re-diagnosed as follows: Dasyurids smaller than Antechinus and differing from these in having an extremely reduced maxil- lary vacuity; very small paracone; and small talonid on M i _ 3 . Generally smaller in size than Smin- thopsis and Antechinomys and differing from these in possessing a straight external edge on the supratragus of the ear; short broad pentadactyl hind feet; enlarged metatarsal granules; broadened nasals; lack of squamosal-frontal contact on the outside of the skull; posterior cingula on M 1-3 ; reduced paracone, protocone, and talonid on Ml-3; single-rooted or absent P 4 ; and lack of a palatine vacuity. Under this concept, Planigale contains P. in- grami. P. macu/ata, P. suhtilissima, P. tenuirostris. P. novaeguineae and P. gilesi (discussed as part of a revision of Planigale, in preparation). ACKNOWLEDGMENTS While this study was made, the author alter- nately held Fulbright Scholarships, a grant in aid from the American Explorers’ Club, and a Re- search Assistantship to Dr W. D. L. Ride who was in receipt of a Research Grant from the Australian Research Grants Committee. Dr W. D. L. Ride, Director of the Western Australian Museum and Dr M. O. Woodburne of the University of California at Riverside kindly read and crtiticised drafts. Mr J. Hardy of the University of Queens- land helped take the scanning electron microscope photographs. Mr A. Easton, Queensland Museum, helped produce photographs not taken by Mr Hardy or Dr Ride. Mrs P. Johnson, formerly of the Western Australian Museum, produced the draw- ings for Figs. 3-4. Dr E. H. M. Ealey, Monash University, kindly provided information about the capture of specimens of N. timealeyi. Mrs C. Farlow and Miss P. Rainbird of the Queensland Museum, typed drafts of the manuscript. ARCHER: NINGAUI , A NEW GENUS OF DASYURIDS 249 LITERATURE CITED Aitken, P. F., 1972. Planigale gilesi (Marsupialia, Dasyuridae), a new species from the interior of south eastern Australia. Rec. S. Aust. Mus. 16 : 114. Archer, M., 1974. The development of the cheek-teeth in Antechinus flavipes (Marsupialia, Dasyuridae). J. R. Soc. West. Aust. 57 : 54-63. Gould, J., 1863. ‘The mammals of Australia’. Vol. 1, Introduction, 40 pp. (The Author: London). Gray, J. E., 1843. ‘List of the specimens of mammalia in the collection of the British Museum’, 216 pp. (British Museum: London). Macleay, W. S., 1841. Notice of a new genus of Mammalia discovered by J. Stuart, Esq., in New South Wales. Am. Mag. nat. Hist. 8: 242, Pearson, J., 1949. The relationships of the Potoroidae to the Macropodidae (Marsupialia). Pap. Roy. Soc. Tas 1949 : 211-29. Pocock, R. I., 1926. The external characters of Thyla- cinus, Sarcophilus, and some related marsupials. Proc. zool. Soc. Lond. 68: 1037-84. Ride, W. D, L., 1957. Protemnodon parma (Waterhouse) and the classification of related wallabies ( Pro- temnodon, Thylogale, and Setonix). Proc. zool. Soc . Lond. 128 : 327-46. 1970. ‘A guide to the Native Mammals of Australia’, xiv + 249 pp. (Oxford University Press: Melbourne). Roberts, A., Mountford, C. P., 1969. The dawn of time’, 79 pp. (Rigby Limited: Adelaide). Sinclair, W. J., 1906. Mammalia of the Santa Cruz beds. Marsupialia. Rep. Princeton Univ. Exped. Patagonia, Princeton , N.Y. 1896 1899 4 : 333-460. Stirton, R. A., 1967. The Diprotodontidae from the Ngapakaldi Fauna, South Australia. Bur. Min. Resour. Aust. Bull. 85: 1 44. Tate, G. H. H., 1947. On the anatomy and classification of the Dasyuridae (Marsupialia). Bull. Amer. Mus. nat. Hist. 88: 101-5. Thomas, O., 1888. ‘Catalogue of the Marsupialia and Monotremata in the collection of the British Museum (Natural History)’, 401 pp. (British Museum: London). 1906. Proc. zool. Soc. Lond., Abstract 1906 (32): 6. Troughton, E. Le G., 1928. A new genus, species, and subspecies of marsupial mice (Family Dasyuridae). Rec. Aust. Mus. 16 : 281-8. 1965. A review of the marsupial genus Sminthopsis (Phascogalinae) and diagnoses of new forms. Proc. Linn. Soc. N.S.W. 89: 307-21. Waterhouse, G. P., 1846. ‘A natural history of the Mammalia. Vol. I. Marsupiata or pouched animals’, 553 pp. (Hippolyte Bailliere: London). Westwood, J. O., 1840 ‘An introduction to the modern classification of insects. Vol. I, Synopsis’, 158 pp. (Longman, Orme, Brown, Green, and Longmans: London). Woodburne, M. O., 1967. The Alcoota Fauna, Central Australia. Bur. Min. Resour. Aust. Bull. 87: 1-187. MEMOIRS OF THE QUEENSLAND MUSEUM Plate 27 Holotype (WAM M8080) N. ridei photographed live shortly after capture. A and B show bristly appearance, relatively broad hind foot, fold line of ear, curled supratragus, and use of anterior molar region (presumably large metacones) to cut locust’s leg (photographs, W. D. L. Ride). ARCHER: N1NGAUI, A NEW GENUS OF DASYURIDS Plate 27 MEMOIRS OF THE QUEENSLAND MUSEUM Plate 28 A, B. Scanning electron microscope photographs (composite overlays) of teeth of N. timealeyi (WAM M8041). Line is 1 mm in length. A, RIj-M*. B, RP l -M 4 . C. D, Left hind foot of Ningaui spp. C, Holotype (WAM M6181) N. timealeyi. D. Holotype (WAM M8080) N. ridei. Ruled lines are 1 mm apart. ARCHER: NINGAUI, A NEW GENUS OF DASYURIDS Plate 28 MEMOIRS OF THE QUEENSLAND MUSEUM Plate 29 A. B. Ventral view of skulls of Ningaui gen. nov. A, N. timealeyi sp. nov. (WAM M8042). B, N. ridei sp. nov. (WAM M8080). Outlines show differences in basicranial region of two species, and in particular, relative development of alisphenoid tympanic wings. Line represents one cm. ARCHER: N1NGAUI, A NEW GENUS OF DASYURIDS Plate 29 Mem. QdMus. 17(2): 251 -65, pis. 30--5. [1975] ABNORMAL DENTAL DEVELOPMENT AND ITS SIGNIFICANCE IN DASYURIDS AND OTHER MARSUPIALS Michael Archer Queensland Museum ABSTRACT Abnormal dental developments in dasyurids and other marsupials are described, including supernumerary and lost teeth, divided and fused crowns, abnormal molar crown morphology, and accidents of development including abnormal tooth positions or postures and malocclusion. Instances of ephemeral teeth' are also given although these are not regarded as abnormal dental developments. The literature of abnormal dental development in non-marsupials as well as marsupials is briefly reviewed. Premolar number variation is not considered a valid means for determining the position of a possibly suppressed fourth premolar in marsupials. P5 and M5 occurrences are regarded as indications of the proliferative potential of the posterior end of the dental lamina. Some supernumerary teeth are regarded as atavisms. Evidence is given that supernumerary teeth may originate as divided tooth crowns. Fused crowns are probably the result of damage to crowded, developing tooth germs. Some abnormal molar crown variations are also probably the result of antero-posterior compression of the developing tooth germ. Examples are given of abnormal tooth shape and number which may be the result of disease. Some abnormal developments in tooth crown shape and occlusion are more frequent among inbred individuals. Many examples of ephemeral teeth noted are regarded as normal, representing rarely noted vestigial milk-teeth or canine teeth in the process of phylogenetic suppression. Although most abnormal dental developments occur in one tooth only, some occur with occlusal and/or bilateral counterparts. These facts suggest that most single-tooth abnormalities are not genetically determined, in contrast to bilateral and occlusal pair abnormalities which may develop under the influence of a dental morphogenetic field. Skulls and dentitions of 2990 individuals of dasyurids have been examined, representing many stages of dental development. Observations on non-dasyurids have been more limited. Abnormal developments (i.e. those outside limits given with taxonomic descriptions, as noted for example by Archer 1975) in dasyurids and other marsupials may be placed in three categories: (1) super- numerary or lost teeth, loss not obviously being the result of accident or physical disturbance; (2) morphological abnormalities including misshapen tooth crowns, extra cusps, and composite odon- tomas; (3) developmental accidents including teeth erupting in unusual positions or postures, tooth loss resulting from physical disturbance or disease, and malocclusion. These categories are not mutu- ally exclusive. For example, a supernumerary molar may also have a morphologically abnormal crown. This review is based (a) on personal observations of specimens housed in collections throughout Australia, in the British Museum, and in the American Museum of Natural History, and (b) on literature references. For each abnormality, re- cords from these two sources are listed in separate paragraphs. Literature citations are by author and date except that references to Bateson (1894) are so numerous that they are given only as the case number listed by Bateson (e.g. case no. 366). Catalogue numbers are prefixed by letters as follows: Australian Museum, e.g. AM M4343; American Museum of Natural History, e.g. AMNH 109524; British Museum (Natural His- tory), e.g. BM No. 2.9. 8.7; Butler collection housed in the Western Australian Museum, e.g. B1944; National Museum of Victoria, e.g. C1009; Fish- eries and Wildlife Department of Victoria, e.g. D966; Queensland Museum fossil collection, e.g. F4713; Queensland Museum modern mammal collection, e.g. J23087 or JM169; South Australian Museum modern mammal collection, e.g. SAM M7536; Northern Territory Museum, e.g. 252 MEMOIRS OF THE QUEENSLAND MUSEUM NTM274; Western Australian Museum modern mammal collection, e.g. WAM M2477; Western Australian Museum fossil vertebrate collection, e.g. WAM 68.3.43; Queen Victoria Museum and Art Gallery modern mammal collection, e.g. QVM 1964.1.33. Literature references to non-erupting teeth or teeth so small they have usually escaped detection in description are mentioned here and although these are not abnormal developments, some further examples are given. The purposes of this study are twofold. Firstly, to attempt to discover whether ‘atavisms’ occur at any regular positions suggesting sites of earlier evolutionary losses from a toothrow. Secondly, to describe abnormal structural developments in various populations so that abnormal individuals (e.g. unique fossils like the Fromm’s Landing Thylacine, Archer 1971) can be more easily eval- uated. Molar cusp terminology is that used by Archer (1974, 1975). Tooth nomenclature is that used by Thomas (1888). Australian marsupial names are those employed by Ride (1970) and Archer (1975). Sminthopsis sp. (a) and (b) refer to two species which will be described elsewhere. New Guinean marsupial names are those employed by Laurie and Hill (1954). DASYURIDAE Material Examined and Number of Abnormal Developments: Incidence (in brackets) of abnormalities, other than ephemeral teeth, follows the number of individuals examined in the samples listed below. Sarcophilus harrisii 17 (3); Dasyurus hallucatus 64 (2); D. maculatus 33 (1); modern D. geoffroii 45 (2); fossil D. geoffroii 17 (0); D. viverinnus 11(1); D. albopunctatus 3 (0); D. dunmalli 4 (0); Murexia longicaudata 2 (0); Myoictis melas 3 (0); Neophas- cogale lorentzii 3 (1); Phascolosorex dorsalis 5 (0); P. doriae 4 (0); modern Dasycercus cristicauda 24 (2); fossil D. cristicauda 574 (4); Dasyuroides byrnei 46 (6); modern Antechinus flavipes 41 (5); fossil A. flavipes 252 (0); modern A. apicalis 5 (1); fossil A. apicalis 77 (2); A . stuartii 1 0 (0); A . swainsonii 1 0 (0); A. bellus 14 (2); A. macdonnellensis 38 (0); A. rosamondae 10 (0); A. godmani 3 (0); Phascogale tapoatafa , (in access of) 50 (5); modern P. calura 19 (I) ; fossil P. calura 31 (0); Planigale maculata 43 (II) ; P. ingrami 33 (1); P. subtilissima 7 (0); P. tenuirostris 14 (1); P. gilesi 5 (0); modern Smin- thopsis murina 140 (7); fossil S. murina 615 (0); S. ooldea 13 (1); S. leucopus 69 (9); S. crassicaudata 143 (7); modern S. granulipes 6 (1); fossil S. granulipes 207 (0); S. psammophila 4 (0); S. longicaudata (modern and fossil) 8 (0); S. hirtipes 1 (0); S. virginiae 37 (1); S. macroura 100 (6); S. sp. (a) 7 (1); S. sp. (b) 3 (2); modern Antechinomys spenceri 30 (1); fossil A. spencerae 1 70 (1); ^4. laniger 12 (0); Ningaui ridei 2 (0); and N. timealeyi 4 (0). The number of abormal dental developments recorded above is certainly an underestimate of the true number because many specimens examined have worn teeth and wear obliterates some morph- ological abnormalities. Also because fossil speci- mens examined are generally incomplete, like- lihood of detecting abnormal dental developments in individuals is markedly reduced. Tooth Number: Adult tooth formula of-JH'l is regarded as structurally ancestral for marsupials in general. In living dasyurids the maximum adult tooth formula is -f rli- I n most juvenile dasyurids there is also a molariform tooth, dP4, displaced from the tooth row by the erupting P4. Normally non-erupting tooth rudiments (of milk teeth) also develop ontogenetically, lingual to the incisors and canine in dasyurids (Archer 1974). In Mrymecobius (a dasyuroid considered below with dasyurids) there are eight cheek-teeth in the adult dentition. Tate (1947) suggests that one of these is dP4 which persists b ’gether with P4. Supernumerary Teeth Incisors: Mrymecobius fasciatus: Two teeth in position of LI 3 (case no. 366); extra incisor on lower right side (case no. 367 and noted by Bensley 1903). Dasyurus spp.: Swellings interpreted as tooth germs between I 2 And I 3 , in front of I : , and between l 1 and I 2 in sectioned specimens of D. maculatus and D. viverinnus (Woodward 1896). Antechinus sp.: Supernumerary tooth positions in sectioned specimens between I 2 and I 3 , between Ij and I 2 , and in front of Ij and these positions were distinguished from deciduous tooth germs (Wood- ward 1896). Deciduous teeth associated with all incisors (Archer 1974). Canines: Antechinus flavipes W AM M71 1 1 small accessory LC 1 ; A. minimus D966 small accessory LC 1 ; Sminthopsis crassicaudata J 14376 two teeth at LC 1 position. Supernumerary canines observed in this study may be abnormally enlarged deciduous canine tooth rudiments, such as in Antechinus (Woodward 1896, Archer 1974). Premolars: Dasyurus geoffroii WAM M4464 tooth between RP 1 and RP 3 ; Phascogale calura WAM M8069 tooth either anterior to LP 1 or between LP 1 and LP 3 ; Antechinus flavipes WAM ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS 253 M7107 tooth posterior to L and RP 4 ; WAM M6785 extra RP x , homology uncertain, appears to be anterior to RP 3 ; A. bellus NTM274 two teeth in LP 3 and RP 3 positions; A. apicalis J1741 tooth antero-lingual to LP 1 ; WAM 64.10.47 extra P, homology uncertain; Sminthopsis leucopus C891 tooth posterior to RP 4 . Dasyurus spp.: Swelling of dental lamina in sectioned specimens of D. maculatus and D. viverinnus, between PI and P3, interpreted as rudiments of P2 (Woodward 1896). Phascolosorex dorsalis : Premolar between LP 1 and LP 3 (case no. 386). Antechinus sp.: Swelling of dental lamina in sectioned specimen between PI and P3 interpreted as rudiments of P2 (Woodward 1896). DP4: Sminthopsis leucopus D524 spicule between RdP 4 and RM 1 . Molars: Sarcophilus harrisii: Possible occur- rences of M 5 discussed below as divided teeth. Fifth molar (Green 1967). Dasyurus maculatus: Five upper left molars and five molars on both sides of lower jaw (case no. 385). Bateson (1894) interprets these as LM 5 and L and RM S . I agree with Bateson’s interpretation. Thomas (1888) describ- ing same specimen, notes that besides being very small, specimen has asymmetrical squamosal bone. Missing Teeth Premolars: Dasyurus hallucatus J16753 missing RP 3 ; Dasycercus cristicauda J23101 missing RP 3 ; Antechinus minimus D968, D967 missing RP 4 ; Planigale maculata J 10989 missing L and RP 3 ; Sminthopsis sp. (a) B 1939 missing LP 1 and possibly RP 3 . Antechinus flavipes: In sample of seven speci- mens, one lacked P 3 (case no. 387). Molars: Sarcophilus harrisii WAM 71.10.209 missing all LM X . Divided Crowns Incisors: Sminthopsis crassicaudata BM No. 2.9. 8. 7 L and RI 4 crowns bicuspid. Roots partly divided. Premolars: Dasyurus geoffroii WAM M4464 RP 3 partly divided. LP 3 has transverse groove; Dasycercus cristicauda WAM 68.9.91 LP 3 divided and tooth has three roots; J23098 RP 3 crown tip divided; Phascogale tapoatafa WAM M7453 LP 3 crown divided and tooth has three roots; WAM Ml 338 RP 3 crown divided; Sminthopsis crassicaudata J11388 RP 3 tip of crown divided; S. murina WAM M 1 642 RP 4 crown partially divided. S. leucopus AM M4343 LP 3 partially divided; D793 LP 4 partially divided and has three roots; D741, D458, Cl 00 19 RP 3 has partially divided crown. Dasyurus geoffroii RP 4 partly divided along plane transverse to long axis of jaw (case no. 383). DP4: Sminthopsis leucopus D524 spicule between RdP 4 and RM 1 may represent split portion of RdP 4 ; S. rufigenis AM M6562 LdP 4 crown tip divided. Molars: Sarcophilus harrisii QVM 1964.1.201 LM 4 may be completely divided producing two small teeth. Fused Crowns Premolars: Dasycercus cristicauda WAM 69.6.269 P 1 and P 3 crowns fused (an isolated maxilla); Dasyuroides byrnei J 1 1510 RP 1 and RP 3 crowns fused, sharing one root; Antechinus bellus CSIRO (Canberra) CM1 141 LP 1 and LP 3 fused on point of contact; Planigale maculata J 10989 RP 4 and RP 3 almost completely fused; Planigale sp. J 14089 LP 1 and P 3 fused at base of cfowns; Sminthopsis murina WAM M2046 LPj and P 3 fused. Abnormal Crown and Root Morphology Incisors: Sminthopsis crassicaudata BM No. 2.9. 8.7 bilobed L and RI 4 . Premolars: Sarcophilus harrisii WAM 71.10.209 grossly abnormal tooth in position of LP’’, Phascogale tapoatafa WAM M7951, WAM M1338 RP 4 has one root; Dasycercus cristicauda WAM 68.9.91 LP 3 has three roots; Antechinus flavipes B 1 8 14 RP 1 caniniform and also tallest premolar; Planigale tenuirostris AM M5438 P 4 two-rooted; P. ingrami J7656 LP1*3 have buccal notches or imperfections in cingula; P. maculata WAM M420 RP 4 has extra large cusp posterior to paraconid; Sminthopsis leucopus D793 LP 4 re- sembles enlarged and divided dP 4 ; S. macroura AM M4403 RP 4 has very large antero-lingual cingular shelf; S. sp. (a) B1939 tooth posterior to LP X (topographic homologue of P 3 ) morphologically resembles molarized protoconid such as occurs on M 4 ; S. murina WAM M6998 L and RP 3 _ 4 possess small postero-lingual cuspids. DP4: Sminthopsis leucopus D524 RdP 4 mildly deformed, possibly result of split-off corner. Molars .Sacrophilus harrisii QVM 1964.1.134 M 4 very small; Dasyurus geoffroii WAM M4464 talonids very reduced, trigonids enlarged, parti- cularly M 3 ; D. maculatus J 1 6744 LM 4 either part of 254 MEMOIRS OF THE QUEENSLAND MUSEUM composite dental odontoma or grossly abnormal; Dasyuroides byrnei J 1 1 509 L and RM 3 ectolophs compressed antero-posteriorly; Planigale maculata J 16721 small buccal cusp on talonid near base of protoconid; Antechinus apicalis unregistered LM 1 paracone slightly displaced, paracrista absent, and extra cusp present anterior to displaced paracone; A. flavipes WAM M8092 M 2 has prominent antero-lingual cusp on flank of protocone; Smin- thopsis macroura WAM M6903 L and RM 1 ” 3 ectolophs compressed antero-posteriorly; J7407 L and RM 1-2 have conspicuous protoconules; WAM M5701 very large entoconid M 4 ; WAM M541 1 M 4 talonid has lingual cuspules and M x has tiny cusp between paraconid and metaconid; J23555 R and LM 3 ectolophs compressed antero-posteriorly with buccally displaced parastyles; S. ooldea WAM M5888 LM X has cusp between paraconid and metaconid and tiny cusp in position of entoconid RM x _ 3 ; S. murina WAM M2477 L and RM^j have large entoconids; SAM M7536 LM X has cusp anterior-buccal to paraconid; S. leucopus C6343 M 1 ” 3 ectolophs compressed antero-posteriorly; Cl 009 M 1 _ 4 have tiny metastylids; AM M4343 Mj_ 3 have tiny entoconids; C9566 L and RM 4 abnormally shaped; S. crassicaudata WAM M373 M 4 talonid tricuspid; S. sp. (b) J5459 RM 3 entoconid split transversely; Antechinomys spen- cerae WAM 68.2.265 RM 2 with small entoconid; WAM M2860 M 3 has two tiny cusps in topog- raphic position of entoconid. Dasyurus spp.: RM 4 of D. viverinnus larger than normal sized LM 4 (case no. 384). Specimen of D. maculatus with supernumerary molars (case no. 384, see above). Bateson interprets (I believe correctly) supernumerary molars as LM 5 , LM 5 and RM S . LM 4 and L and RM 4 enlarged and mor- phologically abnormal. Tooth in position of LM 4 more closely resembles normal M 3 , and teeth in positions of L and RM 4 b< >th resemble normal M 3 . Abnormal Molar Stylar Cusps: Dasyurus hal- lucatus WAM M8085 stylar cusp B distinct on L and RM 1 ; D. viverinnus J20413 stylar cusp B distinct on L and RM 1 ; Phascogale tapoatafa WAM M2855 stylar cusp C occurs between B and D on M 1 ; WAM Ml 338 stylar cusp C large on anterior flank of D on L and RM 1 ; WAM M6390 stylar cusp anterior to D on L and RM 1 ; Neophas- cogale sp. AMNH 109524 stylar cusp D divided transversely on RM 1 ; Planigale maculata WAM M420 prominent stylar cusp A on RM 1 ; J19668 stylar cusp C on L and RM 1 ” 3 ; J16722 tiny stylar cusp E on M 1 ” 3 (uncommon but occurs also in three other specimens); Sminthopsis sp. (b) J5173 extra stylar cusps between B and D on L and RM 1 and LM 2 ; S. granulipes WAM M6062 stylar cusp D divided transversely on L and RM 1 ” 2 ; S. murina WAM M8652 stylar cusp D unusually enlarged on L and RM 1 , projecting buccally; S. leucopus C6343 stylar cusp A on M 1 , extra stylar cusps between B and D on RM 3 , and extra stylar cusp on M 4 ; C9566 L and RM 4 have two stylar cusps each. Eruption and Occlusion Sminthopsis crassicaudata: WAM M4503 has what appears to be reversed (antero-posteriorly) LP 4 . Tooth slightly smaller than RP 4 , WAM M4497 shows abnormal occlusion resulting from very short lower jaw. RC 2 bites behind RC 1 and RC 1 occludes with RI 3 . LC 3 just passes anterior to LC 1 . Upper incisors do not occlude. Planigale maculata: J8070 has lower canines, premolars and molars heavily worn, while upper cheek-teeth almost unworn. Reasons unknown. Possible that specimen includes wrongly associated dentary. Phascogale calura: WAM M8069 maloccluded. RM 1 rotated out of position. Result is hypoconid of RMj opposes, rather than shears anterior to, metacone of RM 1 and protoconid of RM X bites into protocone basin of RM 1 , rather than anterior to protocone. Specimen also possesses super- numerary left premolar (see above). Dasyuroides byrnei: J 1 1433 missing LM 1 while spaces set RM 1 and RM 4 off from RM 2-3 . Left and right lower molar rows crowded antero-posteriorly so that lower molars on both sides distorted out of position. Teeth maloccluded. J10935 has maloc- cluded RI 2 which bites lingual to lower incisors. J 1 1 509 maloccluded. LM 1 deflected postero- lingually and hypoconid of LM X passes over tip of metacone producing abnormal wear facet. LM2 also distorted. LM 2 protoconid occludes with LM 2 protocone basin, rather than shearing past it with very large wear facet across LM 2 protocone and paracone. Series of thirty Dasyuroides byrnei specimens (including all noted above) in Queens- land Museum were bred in captivity. Comparison of measures of brachycephaly (maximum skull width/maximum skull length) in wild-caught and laboratory-bred individuals indicates higher in- cidence of brachycephaly in latter. Concurrently, much higher incidence of dental abnormalities such as malocclusion, tooth loss, supernumerary pre- molars, and antero-posteriorly compressed molars evidenced in laboratory-bred samples (Archer and Vernon in preparation). Disease or Trauma Dasyurus maculatus: J 16744 has complex LM 4 which may be either composite odontoma or ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS 255 teratoma, possibly result of disease. Dasycercus cristidauda: WAM 69.6.165 dentaries fused at symphysis. Antechinomys spencerae: J23103 isol- ated right dentary has RIi_ 3 , C x and M 2 _ 4 with alveoli for M l . No trace of any premolar. Dentary in area where premolars missing has roughened surface. Large abscesses occur beneath and below posterior root of M 4 . Abscess below M x has perforated buccal surface of dentary below al- veolar margin of Case may be example of partial anodontia following disease. Sminthopsis crassicaudata: WAM M8082 missing LI 3 , Cj and P, . These possibly lost during life, with alveoli then overgrown by bone. Normally non-erupting or Ephemeral Teeth Dasyurus geoffroii: WAM M6370 rudimentary spicule-like tooth in position of normally absent RP 4 ; Dasyuroides byrnei J 11435 tiny calcified rudimentary tooth adhering to postero-lingual corner LP 3 . Dasyurus, Myrmecobius, Antechinus: Calcified rudiments or positions for milk-teeth associated with incisors of Dasyurus spp., Myrme- cobius fasciatus, and Antechinus (species not given) in sectioned material (Woodward 1896). Milk- tooth rudiments associated with Cl in Dasyurus maculatus, D. viverinnus, Antechinus sp., and Myr- mecobius fasciatus in sectioned material (Wood- ward 1896). Dasyurus hallucatus: DP 4 (Tate 1947). DP4 and P4 normally absent Dasyurus (except D. dunmalli). Antechinus flavipes: Milk-canine tooth rudiments and non-erupting milk-tooth rudiments in association with incisors in sectioned material (Archer 1974). Examples noted above of super- numerary canines may represent abnormal de- velopment of normally non-erupting milk-canines. THYLACINIDAE Abnormal molar cusps, supernumerary stylar cusps, enlarged basal cingula and proximation of paracone and metacone of upper molar in Thyla- cinus spp. (Archer 1971). Thylacinus cynocephalus with four lower premolars (Rose 1892). Calcified but rudimentary tooth in T. cynocephalus in- terpreted as dP 4 (Flower 1868). PERAMEL1DAE Suggestion of undeveloped incisor tooth pos- ition between I 3 and I 4 (Woodward 1896). Similar tooth rudiments in Perameles (Wilson and Hill 1897). Echymipera: In 22 per cent of skulls, supernumerary upper incisor present (Ziegler 1971). Ziegler interprets this as I s which normally present in most other peramelids. In series of six skulls of Echymipera rufescens (J 123063-8), no examples of supernumerary incisors or other dental abnormalities. Isoodon obesulus: J23082 shows morphologically abnormal L and RM,. RM X has normal talonid. Anterior to this are five principal cusps. Anterior three may represent trigonid. Two large accessory cusps also present on tooth, one (normal on some specimens of I. obesulus) anterior to hypoconid on buccal edge of crown and other posterior to possible homologue of protoconid. LMj identical except that last mentioned accessory cusp less well-developed. LdP 4 has enlarged antero-buccal cusp, usually homologous with protoconid of molars. This cusp less well- developed in RdP 4 . Isoodon macrourus: J 13743 with RP 3 missing. Position marked by pebbly knobs of calcified tissue not extending above oral epithelium. Much more complex pebbly knobs occur near base of P 4 , surrounding P 3 and surrounding posterior margin of P 1 . L and RP 3 partially resorbed at points around crown. Eroded pit in anterior root of LP 4 . LI 1 missing although reason not clear. J8765 has four upper right premolars. Extra tooth apparently between RP 1 and RP 3 . J21908 has no teeth posterior to R and LC 1 , no right upper incisors, rudiments only of two left upper incisors, and no lower teeth. Gum lines irregular and all post-canine alveoli (if they existed) filled with bone. PHALANGERIDAE Trichosurus vulpecula: Variation in occurrence of small teeth between C 1 and P 4 and between I t and P 4 (Kingsmill 1 962). P 1 variably present (case no. 378). ‘Premilk’ teeth in association with I 3 in sectioned material (Woodward 1896). J23083 isol- ated left maxilla without normal P 1 . J23070 isolated right maxilla with abnormal tooth in RdP 4 position. Tooth much larger than normal dP 4 and has unusual lingual cusp. Tooth with unclear morphology projecting buccally. J23080 has RP 4 erupting out of alignment antero-buccal to M 1 . Phalanger spp.: P, orientalis with LI 3 imperfectly bifid, crown almost completely divided, but root single (case no. 368). Individuals of P. orientalis: four upper premolars on one side; one premolar absent; two teeth occur in place of P 1 ; and tooth present between normal P 4 and P 3 (case no. 372-275). P. macula tus lacking L and RI 3 (case no. 369). ‘Premilk’ teeth in incisor and canine region sectioned specimens of Phalanger sp. (Woodward 1896). PETAURIDAE Pseudocheirus spp.: P.forbesi has no I 3 and no P 1 (case no. 37 1 ). In present study, P. peregrinus skulls 256 MEMOIRS OF THE QUEENSLAND MUSEUM (including 23 dentaries) from caves in Western Australia show following abnormalities and vari- ations: J23076 has incipiently two-rooted RP 1 ; J23078, left maxillary fragment, shows same P 1 condition; J23075 has four left upper premolars, extra premolar either first or second in row, both being simple peg-like teeth. Teeth posterior to I x and anterior to P 4 lost but alveoli vary in number from one (J23072) to two (J23074) to three (J23073). J 1 1427 has small calcified tooth adher- ring to postero-buccal corner of RP 4 . Long pos- terior root present on this tooth and appears that anterior root broken off. Tooth probably dP 4 , not previously recorded in this group because either lost very early in development or not normally developed to stage of calcified crown. Schoinobates volans: J22083 has tiny calcified tooth adherring to antero-lingual tip of RMi . No roots apparent. This rudiment may represent dP 4 , previously unre- corded in genus. Petaurus sp.: In 25 skulls, two show variations in number of post-^-pre^ teeth (case no. 380). One has four on left side. Hemi- belideus leadbeateri: J9294 has slightly abnormal L and RM 4 . Entoconids and postero-lingual corners of teeth reduced. PHASCOLARCTIDAE Phascolarctos cinereus: In sectioned specimen, small calcified incisor present in front of I x and another uncalcified incisor present behind Toothgermsfor lower canine, two lower premolars, and additional upper premolar present; none attain functional maturity (Woodward 1896). Rudimen- tary dP4 (Thomas 1887b). Tooth rudiments noted by Woodward and Thomas probably best regarded as uncommon observations of normally occurring structures. J 1 0023 has two incisors in place of RI 3 . Both resemble normal LI 1 . J8811 has very tiny hypocones on L and RM 1-4 . Size of protoconule varies in this species, being absent to miniscule in R and LM 1-3 (e.g. J8811) to conspicuous in same teeth (e.g. J 10023). J 13278 shows two tiny calcified teeth in shallow sockets on right lower side between erupting RI : and RP 4 . First of these immediately posterior to . Second adpressed to antero-lingual corner of P 4 crown. On left side, same two teeth present but anterior one lost, perhaps during preparation of specimen. J7209 has no L or RM 4 but has L and RM 4 . J5749 has mildly twisted L and R dentary, resulting in malocclusion and abnormal resting position of incisors. MACROPODIDAE Supernumerary Teeth Incisors: Macropus giganteus J23087 small tooth anterior to LI 3 . Premolars: Macropus giganteus J23089 RP 5 erupting beneath RP 4 ; J23108 LP x present anterior to P 4 ; J23105 RP X present anterior to P 4 . Molars: Macropus giganteus J23110, J23151, J23135, J23150, J23137, J23120, J23125, J23083, J23085 L and RM 5 ; J23107 L and RM 5 and LM 5 ; J23128 L and RM 5 and ?LM 6 ; J23109, J23129, J23130 LM 5 ; J23140, J23134 RM 5 ; Macropus robustus J23122 L and RM 5 ; J23117 RM 5 . Meg- aleia rufa J23091 supernumerary between RM 3 and RM 4 ; J23086, J23084, J23152 LM 5 ; M. sp. J231 15, J23147 RM 5 ; J23136 LM 5 ; Potorous tridactylus WAM 70.7.242 LM S ; Bettongia lesueur WAM 68.10.2 M s . Supernumerary molars in Peradorcas concinnus common (Tate 1948, Troughton 1967). Macropus spp.: Supernumerary molars, premolars, presence of rudimentary canines, and absence of P4 (Kirk- patrick 1965). Kirkpatrick (1965) notes frequency of some abnormalities (e.g. presence of paired M5 on maxillae) to be as high as seven per cent in one species. Bettongia spp.: M5 in B. penicillata (case no. 390) and B. lesueur (Waterhouse 1846, Thomas 1888). L and RM 5 in two other specimens B. lesueur and L and RM 5 and L and RM 5 in B. gaimardi (as B. cuniculus) (Thomas 1888). Missing Teeth Macropus giganteus J23 1 14 L and RM 4 missing; J23119 L and RM 4 missing; J23133 L and RM 4 missing; J23126 all lower molars missing R side only; J23134 RM 4 missing; M. robustus J23117 L and RM 4 missing; M. sp. J23123 RM 4 missing; J23144RM* missing; J23145RM 4 missing; J23149 RM 4 missing. Bettongia spp.: B. penicillata molar formula was M 1 7 5 (Bateson 1894). LM 4 missing (case no. 389). M 4 \ . . is itself often aborted in Bettongia, there being then only three molars’ (Thomas 1888, p. 105). Abnormal Tooth Morphology Incisors: tCfacropus giganteus J23092 L and RL show two pronounced lingual grooves and crowns deflected buccally; J23087 RI 3 has large buccal projection from walls of crown adjacent to incisive groove; J23090, J23153, J23111 RI 3 distorted shape; J231 12 L and RI 3 shape abnormal. Molars: Macropus giganteus J23083 LM 5 horseshoe-shaped, RM 5 similar but more complex; J23085 LM 5 horseshore-shaped but RM 5 mol- ariform; J23139 RM 4 peg-shaped, LM 4 mildly abnormal; J23109 LM 5 submolariform with one loph and one cusp; J23131 possible odontoma in crypt buccal to LM ; M. robustus J231 17 prominent 257 ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS mesostyles on L and RM 3 ; Megaleia rufa J23088 RM 2 with one major transverse loph, RM 4 may also be peg-shaped (tooth gone); J23091 abnormal supernumerary tooth between RM 3 and RM 4 , three-rooted and tricuspid; J23084 LM 5 metaloph appears complexly folded; J23068 LM 5 simple conical cusp surrounded by cingulum; Macro- podid, indet., F4713 LM 4 lacks clear homologue of hypolophid. In macropodids, abnormally shaped teeth re- latively more common than in other marsupial families. Abnormalities in shape also different from those found in other groups in that divided cusps and crowns, fused crowns, and buccally com- pressed crowns extremely rare. Normal morphological variation in premolars of several modern and fossil species of large macro- podids described (Bartholomai 1973, 1974), with view to interpreting variation in fossil species. Variations in Eruption and Occlusion Incisors: Macropus giganteus J23087 RI 3 on premaxilla-maxilla boundary; J23092 RI 3 pos- itioned near maxilla boundary; J23 104 skull distor- ted and RI, occludes with LI 3 . Premolars: Macropus fuliginosus WAM M6956 R and LP 4 erupting near buccal wall of maxilla. Molars: Macropus giganteus ill 132 L and RM 4 erupted abnormally high in tooth row; J23113 RM 3 erupted abnormally high; J23126 all upper R molars erupted abnormally, lower molars missing. Normally non-erupting or Ephemeral Teeth Incisors and possibly Canines: Macropus irma WAM M8127 (basicranial length 44-3 mm) two tooth rudiments, one antero-buccal to unerupted I 1 , other on premaxilla-maxilla boundary; M. robustus WAM M6976 (51-4 mm) one tooth rudiment on premaxilla-maxilla boundary; WAM M6137 (62-9 mm) no rudimentary teeth, but socket only just resorbed; M. fuliginosus WAM M6588 (50-4 mm) shallow socket present on premaxilla- maxilla boundary; M. giganteus J23087 (adult) spicule-like tooth immediately anterior to LI 3 . These teeth undoubtedly normal in developing dentitions of many species and no examination of sectioned macropodid material fails to mention them, although not commonly observed in gross skeletal preparations. Many cases cited of normally non-erupting teeth in macropodids (e.g. Flower 1868, Woodward 1893, Hopewell-Smith and Tims 1911, Tate 1947a, Johnson 1964, Berkovitz 1968c, Bartholomai 1973). Incisors of macropodids normally have deciduous predecessors that resorb without erupt- ing (Kirkpatrick 1969). Normally non-erupting canine develops ontogenetically (Kirkpatrick 1969). DIDELPHIDAE Bensley (1906) presented comprehensive anal- ysis of normal and abnormal variations in stylar cusp morphology in species of Monodelphis (as Peramys), Marmosa, Caluromys, Metachirus, Chironectes, and Didelphis. Didelphis marsupialis: Six right upper incisors (case no. 363). Four right lower incisors (case no. 364). Upper incisor missing from left and right sides (case no. 365). One out of 79 had no R or LM 4 (case no. 388). RM 4 larger than LM 4 (also case no. 388). STAGODONTIDAE Didelphodon padanicus: Type specimen (dentary fragment) of this Cretaceous didelphid may have had four premolars (Clemens 1966). CAENOLESTIDAE Garzonia patagonica: Specimen of Tertiary Gar- zonia may have supernumerary number of ante- molar teeth (Sinclair 1906, Ride 1962, Ziegler 1971). VOMBATIDAE Extra calcified (but rudimentary) teeth reported in vombatids (Owen 1840-45, Rose 1893). EUTHERIANS Abnormal dental developments in human teeth have received considerable attention. The most important general treatise on the subject is Stones, Farmer and Lawton (1966). Several other papers (not noted in Stones et. al.) dealing with general dental abnormalities are: Black (1902), Kraus, Jordon and Pruzansky (1966); to papers dealing with specific abnormalities such as shovel-shaped incisors, Carbonell (1963); double-rooted lower canines, Alexandersen (1963); carabelli’s tubercle, Meredith and Hixon (1954); abnormal cusp de- velopment in addition to carabelli’s tubercle, Kallay (1966); dens in dente, Swanson and McCarthy (1947); and to papers dealing with the genetic nature of dental abnormalities such as Brothwell, Carbonell and Goose (1963), and Hopewell-Smith (1913). Minor dental abnormalities in some placentals are documented, for example by Allow (1971), Bateson (1894), Berkovitz (1968), Berkovitz and 258 MEMOIRS OF THE QUEENSLAND MUSEUM Musgrave (1971), Chasson (1955), Churcher (1959), Fish and Whitaker (1971), Forsten (1973), Frisch (1963), Garn and Lewis (1963), Hooper (1955), Jones (1960), Hooper (1955), Jones (1960), Mech, Franzel, Karns and Kuehn (1970), Miller and Tessier (1971), Peterson and Fenton (1970), Schitoskey (1971), Spinage (1971), Van Valen (1966, 1964), Wolfe and Layne (1968), Zakrzewski (1969), Ziegler (1971). Several studies have been made using dental abnormalities in eutherians to interpret factors controlling tooth development. These include Ber- kovitz (1969), Butler (1963), Gaunt (1967), Grune- burg (1951, 1965), Hitchin (1966), Johnson (1952), Kurten (1955, 1957, 1963, 1967), Stockard et. al. ( 1 94 1 ), Van Valen ( 1 962, 1 970) and Wallace (1968). DISCUSSION Supernumerary Teeth Premolar Number: Diversity of position in abnormally occurring teeth noted in the present study indicates that some interpretations attempt- ing to clarify the maruspial premolar dental formula are probably unjustified. For example, Thomas (1887) concludes that appearance of a premolar between the first and third premolars represents an atavistic reappearance of a lost marsupial second premolar. This view is not held by Owen (1840—5) or by Ziegler (1971). Ziegler concludes (p. 240) that ‘The premolar position vacant in all marsupials is . . . most logically homologized with that of the retained first milk premolar of placentals . . . accordingly, the first three metatherian post canines are . . . designated the second, third and fourth premolars.’ Owen (op. cit.) believes that premolar teeth are normally lost from the front of the premolar row. However, Bateson (1894 p. 249) after an examination of dental variations in marsupials in general con- cludes that \ . . the system elaborated by Thomas breaks down; not because there is any other system which can claim to supersede it, but because the phenomena are not capable of this kind of treatment’. Considering cases noted in the present study, it seems that extra premolars may occur at almost any position in the tooth row, as well as anterior and posterior to the first premolar. In addition, recent ontogenetic studies by Archer (1974), Berkovitz (1968) and others have not supported the suggestion of Woodward (1896) that there is clear evidence for a suppressed premolar position between PI and P3 in marsupials, nor the view held by Owen ( 1 840-45) or Ziegler (1971) that a similar premolar position has been lost in marsupials anterior to PI. P5: Development of P5 in dasyurids and macro- podids invariably results in a premolariform tooth, clearly indicating that potential for premolar production exists posterior to P4. Production of P5 presumably occurs later than P4 since it erupts later than and posterior to P4. Archer (1974) de- monstrates that even before P4 is calcified in Antechinus , the dental lamina connections between it and adjacent teeth are already breaking down. Prior to normal breakdown of dental lamina, this tissue is continuous posterior to the canine. For this reason, the extra premolar probably could not result simply from an abnormal posterior extension of the premolar part of the dental lamina. It appears that the P5 tooth family position is established well before the tooth actually develops, posterior to the P4 position and anterior to the dP4 position on the continuous band of dental lamina. M5: Molars sometimes occur posterior to M4 in macropodids but rarely in other marsupials. How- ever, one case noted above of a Dasyurus maculatus specimen with L and RM 5 and LM S is of this kind. It differs in that L and RM 4 resemble a normal L and RM 3 . This specimen was, in part, the basis for Bateson’s (1894) formulation of the concept of homoeosis in meristic series. This concept is that particular teeth in a series may vary in shape, and come to resemble aspects of adjacent teeth. In macropodids with more than four molars, homo- eosis is not clearly evident because the normal macropodid M4 closely resembles the normal M3, and homoeotic variation in M4 would not be as obvious as in dasyurids. M5 probably develops as an extra tooth family position at the posterior end of the dental lamina (Kirkpatrick 1969). In Peradorcas , production of additional molars is the normal condition (see Tate 1948). Obstructions to addition of teeth at the posterior end of the tooth row result from lack of space. This crowding may be, in part, responsible for abnormal shape of many supernumerary teeth. Butler (1956), Gruneberg (1937), and Lefkowitz, Bodecker and Mardfin (1953) have suggested that distortion of tooth germs can produce abnormally shaped teeth. Sofair, Bailit and MacLean (1971) and Stein (1943) note that this is most likely to be the case with posterior teeth of a particular tooth series. ‘Normality’ of supernumerary molars in macropodids may be due to forward progression of molars and consequent relative freedom from crowding. Probable Atavisms In some taxa with a dental number reduced below that possessed by close relatives, teeth ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS 259 occasionally occur in the position of the ‘missing’ tooth family. Such occurrences appear to be rather regular and should be regarded most probably as atavisms. These would include appearances of teeth in some dasyurids (e.g. Dasyurus ) at the P4 position, and in some peramelids (e.g. Echymipera) at the I 5 position. Eutherians Berkovitz(1969), Johnson (1969), Kurten (1963) and others have presented interpretations regard- ing supernumerary teeth in various eutherians. Berkovitz (1969) demonstrates the existence of dl 4 in a eutherian carnivore. He suggests this is evidence for the presence of four incisors in primitive eutherians. Johnson (1969) notes the appearance of M 4 in a murid rodent and considers that this may be the homologue of the normal eutherian M 3 and that in murid rodents the so- called M 1 is actually a persistant dP 4 . Kurten (1963) believes that in one lineage of felids, so- called supernumerary molars at the rear of the dentition represent an atavisitic reappearance of a molar previously lost through evolution. Although many Mesozoic mammals had more than seven molariform teeth (e.g. Peramus and Amphitherium ), there is no particular reason for believing that the abnormal marsupial M5 noted in the present study is an atavistic reappearance of a lost tooth. More probably, these teeth are simply the result of abnormal activation of a potential tooth-producing structure, the posterior end of the dental lamina. Missing Teeth Missing teeth, partial anodontia, or hypodontia noted in the present study occur mostly in the premolar region and only rarely in the molar region. Some instances are presumably due to trauma, others perhaps to disease, while others seem likely to be caused by genetic defects. Stones, Desmond and Lawton (1966) note that anodontia in humans is frequently due to a gene mutation in the X chromosome. Brekhus, Oliver and Montelius (1944) note that there are often clear correlations between tooth absences. For example, loss of Ml is usually correlated with absence of other molars. In the only instances of non-traumatic molar loss noted in the present study, there were other teeth missing including premolars as well as molars. However, the great majority of cases of premolar loss do not involve molar loss. Abnormal Tooth Morphology Divided Teeth: Divided teeth were found in the present study only among ante-molar teeth. Bate- son (1894) notes that when teeth are divided, the plane of division is usually transverse to the long axis of the tooth row. This was invariable in examples considered here. A tendency for the divided tooth to be a RP 3 among dasyurids is present. There is also evidence for correlation of divided teeth and supernumerary premolars among dasyurids. In Dasyurus geoffroii (WAM M4464) an extra premolar occurs on the upper right side and the RP 3 has a divided crown. Division of single tooth germs in various stages of development may be one way in which supernumerary teeth are produced. Concepts of tooth development, as discussed by Butler (1956), do not provide a mechanism for actually dividing established cusps. Rather, a divided crown tip could develop from two centres of suppressed mitosis in the developing tooth germ. Fused Teeth: Fused, geminated or connated teeth were found in the present study only among premolars. Fusion may involve only roots or anything up to and including the whole crown. Hitchin and Morris (1966) suggest that actual teeth do not become fused by any other means than by cementum after tooth formation is complete. They present reasons (p. 575) why fusion of tooth germs is unlikely to occur after epithelial contact between teeth is broken and follicles develop around each germ. They suggest (p. 583) that \ . . primary developmental abnormality in connation is per- sistence of the dental lamina between the teeth germs.’ However, it seems equally plausible that physical trauma could result in ruptured follicles and subsequent fusion of previously separated portions of epithelium. Some fused teeth noted in the present study are also abnormally shaped. Combinations of abnormal features might result from fusion of previously ruptured and adjacent tooth germs. These developmental accidents cer- tainly have no evolutionary significance. Other Abnormal Morphology: Mis-shapen molars noted in the present study are also often supernumerary teeth. In some cases they may be sub-molariform with part of the tooth, such as a protoloph, resembling a serially homologous struc- ture in an anterior molar. M5 is commonly a tooth of this sort. Horseshoe-shaped and peg-like M5s are also known. Supernumerary molars occurring between other molar teeth are generally not molariform. Some grossly abnormal molars suggest struc- turally ancestral cusp patterns. Examples of this may be cited among abnormal macropodid molars which show isolated cusps rather than crests. However, an equivalent number of abnormal 260 MEMOIRS OF THE QUEENSLAND MUSEUM crowns do not suggest structurally ancestral shapes, such as the horseshoe-shaped or peg-like supernumerary molars. Stein (1934, p. 1817) notes that \ . . from a reasonably large collection of human third molars, different specimens could be selected and arranged in such order as to prove almost any theory of the evolution of the human dentition’. Abnormally shaped non- supernumerary molars are also noted above. Compression is a common abnormality of this kind. This was also noted by Archer (1971) in thylacine teeth. Probably this results from com- pression of the tooth germ follicle. Gruneberg (1937) and Lefkowitz, Bodecker and Mardfin (1953) have stressed the importance of the follicle in production of normally-shaped teeth. Osborn (1902) notes that increasing brachycephaly of rhinoceratids is correlated with antero-pos- teriorly shorter but wider molars. Butler (1956) suggests the possibility that this is the result of antero-posterior compression of the tooth germ follicles. In most of the examples given in the present study, antero-posterior molar compression is correlated with brachycephaly, shortening of the molar row, and sometimes malocclusion. Number of stylar cusps present in dasyurid molars is clearly variable within species, although these variants are generally uncommon and their significance is unclear. Except in Neophascogale and Phascolosorex, there are normally only two conspicuous stylar cusps, st.B and st.D. St. A is not usually distinguishable from st.B. Sometimes, a stylar cusp (or pair) is developed between st.B and st.D, and it has been called here st.C. Stylar cusps may appear posterior to st.D. Some didelphids (considered structurally ancestral to dasyurids) have five stylar cusps. Other didelphids have practically no stylar cusps. Bensley (1906) has demonstrated considerable variation in didelphid stylar cusps. He concludes (pp. 12-13) that al- though these \ . . relatively small and subsidiary structures in the molar crown are certain to exhibit signs of variation, they are surprisingly constant in their relations . . . they show throughout the family indications of a general type . . .’. The same can be concluded for the stylar cusp area of dasyurids. Despite intra-specific variation and even inter- specific modification, the dasyurid basic pattern described above is clear. However, more infor- mation about the Tertiary record of dasyurid stylar cusp development is required before the struc- turally ancestral dasyurid condition can be defined. Eruption and Occlusion Abnormalities Malocclusion is rare among marsupials but several instances have been described. An example of exaggerated overbite noted above is similar to examples presented by Stockard et al. (1941) among dogs. They suggest that upper and lower jaw development is under separate genetic control because, for example, in a cross between a Saluki Dog and a Bassethound, the hybrid had a skull of a Saluki-type in length and a dentary of a Bassethound-type in length, resulting in gross malocclusion with the C x biting behind the C 1 . Another case of malocclusion noted in the present study, involves Dasyuroides byrnei. A large series of these animals were trapped and lodged in the Queensland Museum’s collection (e.g. J 10226). Some bred in captivity (Mack 1961) through several generations. Comparison of 30 skulls of animals bred in captivity and the 9 animals caught in the wild indicates that problems of malocclusion and missing teeth occurred only among animals bred in captivity. In addition there was occurrence of abnormally compressed molars and brachy- cephaly in some animals bred in captivity. Reasons for this are not clear but factors such as diet and inbreeding are likely to have been involved. Abnormalities and Diseases Examples of morphological variation, tooth loss, and bony accretion around the tooth roots noted in the present study may be the result of disease. In other instances, some teeth show abnormal dentine accretions around roots, and one specimen may possibly represent a composite odontoma. The difference between composite odontomas and congenital teratomas such as ovarian dermoid cysts (Stones, Farmer and Law- ton 1966) seems to be one largely of position. The case noted in the present study involves an abnormal M 4 with apparently several surrounding and related calcified structures. There is, however, no evidence that these calcified structures and M 4 were fused. Ephemeral Teeth Ephemeral teeth observed in sectioned material or carefully prepared juvenile specimens, do not really represent abnormal dental developments in the sense outlined in the introduction. However, they have been considered here either because they are not commonly observed or because they represent teeth previously unobserved. Observations of the occurrence of small calcified incisors are reported in this paper and by others (e.g. Berkovitz 1967, Woodward 1896), parti- cularly among macropodids. They rarely persist in adults. These teeth probably represent true de- ciduous teeth related to the incisors (as suggested by Kirkpatrick 1969). Clear embryological evid- ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS 261 ence for them is known (e.g. Archer 1974, Ber- ko vitz 1968c, Rose 1892, Woodward 1896) for many marsupial groups and they are generally assumed to be rudimentary deciduous teeth. This may not be true for rudimentary canines in macropodids. These may represent rudimentary non-deciduous teeth, which in other macropodids (e.g. potoroines) are parts of the functional adult dentition. It has been noted that some ephemeral teeth occurring in the position of a ‘missing’ tooth family in some closely related forms should be interpreted as atavisms. Tate (1947) notes a case of a dental rudiment in the P 4 region of a specimen of Dasyurus hallucatus and considers this a dP 4 . However, its actual identity is doubtful, since it could be either a rudimentary dP 4 or a rudimentary P 4 . Reduction of size in these teeth is not necessarily correlated. For example, it has been noted above that while the Phascolarctos P4 is large, dP4 is a mere rudiment (Thomas 1887). In macropodids, while dP4 is as large as a molar, P4 may be (in some species) a rudiment. This is clearly so in thylacinids (Flower 1868), adding support to the idea (Archer 1974, Berko vitz 1966) that the two teeth do not belong to the same tooth family and hence development of one may not depend on development of the other. Bateson (1894) concludes that meristic variation in teeth is discontinuous, and that a structure was either a tooth or not a tooth. However, ephemeral teeth in the incisor and canine regions clearly present exceptions to this concept. These have been found in all stages of development from mere lingual growths of dental lamina to calcified and even erupted teeth. Commonly, even after calcification, the teeth are resorbed. Sometimes they persist into the adult dentition as do the small canines in some species of macropodine and most potoroine macropodids. Dental Abnormalities as Indicators of Pattern in Development Value of dental abnormalities in general in understanding factors controlling development of teeth is doubtful. There have been many attempts to interpret the nature of controlling factors by analysis of the kinds and incidence of dental abnormalities. Butler (1967) concludes, after noting studies of abnormal conditions of human jaws, that distur- bances in migration of mesenchyme from the neural crest may account for abnormal develop- ments of teeth and their supporting bones. In cases where the tongue is doubled, a median series of teeth may develop between the two tongues. Similarly in unilateral hypertrophy of the face, teeth are enlarged on the affected side. It is therefore interesting to consider the possible significance of unilateral and bilateral dental abnormalities. Bateson (1894) finds that dental abnormalities sometimes occur simultaneously on both sides of the head but rarely occur simul- taneously in upper and lower dentitions. Neverthe- less, he cites examples of extra molars on both upper sides only (e.g. case nos. 178, 179 and 194), on both lower sides only (e.g. case nos. 171 and 251), on upper and lower right sides only (e.g. case nos. 190 and 196), on both lower sides and only one upper side (e.g. case nos. 182 and 385), on both upper sides and only one lower side (e.g. case nos. 166 and 167), and on both upper and both lower sides (e.g. case 1 89). Similar examples of correlated variations are given for other tooth series and for missing teeth. Apparently all combinations of this sort are possible. In specimens noted in the present study, particularly among macropodids, L and RM 5 may be grossly different (e.g. J23085) or mirror images of one another (e.g. J23083). The case given of a grossly abnormal L and RMj in Isoodon obesulus shows that complex bilateral abnormalities may occur, without abnormal oc- clusal counterparts. Butler (1961, p. 122) considers that ‘If the mutation of teeth (upper, lower and adjacent) were fortuitous, variability of pattern would result so frequently in malocclusion that natural selection would operate to reduce that variability to a minimum. Yet molar teeth show a high degree of individual variation.’ Accordingly he proposes that genes controlling tooth shape (and presumably number) may have a dual or pleiotropic effect, producing mirror image structures on surfaces of teeth which contact. This idea relates to the concept of dental morphogenetic fields (Butler 1937, and discussed by Butler 1961, Van Valen 1962, 1970, Wallace 1968, et. al.). The concept is based on the belief of the equipotential nature of all tooth germs of a particular species (suggested by Bolk 1922). This potential is modified by other factors such as heredity, position in the tooth row, chemical imbalances, disease, trauma, and available room. Many of these factors have been analyzed (e.g. Stones, Farmer and Lawton 1966). However, the way in which position in the tooth row controls tooth shape is not clearly understood. Butler (1967), notes that Remane (1926) figures a speci- men of Colobus whose first and second permanent molars are dwarfed and premolariform. Stein (1934) notes a specimen of a human M 3 which corresponds cusp for cusp, ridge for ridge, and groove for groove with a normal P 2 . These examples suggest that position in the tooth row is 262 MEMOIRS OF THE QUEENSLAND MUSEUM not always the most important factor in develop- ment. Butler (1963) regards such variation in dP 3 as evidence for slight shifts in dental morphogenetic field at the molar-premolar boundary, and this may also apply to Remane’s (1926) specimen but not to Stein’s (1934). The present study offers no additional examples among marsupials which bear on the question of developmental importance of position in the tooth row. It does provide examples (e.g. bilaterally symmetric abnormal L and RMQ of abnormal molars that have not been correlated with abnor- mal occlusal counterparts. It may be that com- position of dental morphogenetic fields, if they exist, is much more complex than has been visualized (e.g. by Wallace 1968 and Van Valen 1970). CONCLUSIONS Abnormal dental developments do not appear to provide a basis for interpreting position of a supposedly phylogenetic lost premolar tooth in marsupials other than P4 of some dasyurids. It has been concluded elsewhere (Archer 1974) that ontogeny in some dasyurids similarly fails to reveal a ‘lost’ premolar position in structurally ancestral marsupials. There does not appear to be any sound reason for believing that marsupials phylogeneti- cally suppressed a particular premolar position. In some dasyurids with only two premolars on each side, there is evidence from dental variations that the P4 position has been suppressed. Such dental variations should be referred to as atavisms. Abnormal production of P5 and M5 in mar- supials suggests that the dental lamina may remain proliferative at its posterior end even after the normal complement of tooth families has been established. This is particularly evident in the macropodid Peradorcas where continuous pro- duction of supernumerary molars may occur. Abnormal crown morphology occurs most com- monly among premolars. These often exhibit fused or divided crowns. Fused crowns may result from damage to adjacent developing teeth. Divided crowns, because they are sometimes related oc- clusally to supernumerary teeth, may be one stage in a process in which supernumerary teeth are produced. Abnormal variations are also common on the stylar shelf of molars. Grossly abnormal molar crowns are uncommon, in marsupials in general but are more common in supernumerary macropodid molars, distorted molar crowns may result from crowded tooth germs. Among dasy- urids, antero-posteriorly compressed molars are among the most commonly encountered molar abnormalities. Malocclusion and abnormal molar crown mor- phology appear, among some dasyurids, more common among inbred than among trapped individuals, suggesting some abnormalities may have a genetic basis. From ontogenetic studies, many ephemeral teeth developing in canine and incisor position's appear to represent short-lived milk-teeth (e.g. macro- podid incisors) or small vestiges of teeth in the process of phylogenetic reduction (e.g. macro- podine canines). These are sometimes found in dry skulls representing very juvenile individuals, if the skulls are carefully prepared. Most abnormal dental developments appear to be of little or no significance in interpreting phylogeny, while others do appear significant and suggest that mechanisms determining tooth shape are complex. Dental morphogenetic fields do not always ensure that abnormalities occur with oc- clusal counterparts and the majority of dental abnormalities occur in one tooth row only. Other examples do involve occlusal or bilateral counter- parts, and add support to the concept of dental morphogenetic fields. The apparent inconsistency may be resolved if the majority of dental abnormal- ities lack a genetic basis. ACKNOWLEDGMENTS Dr W. D. L. Ride, as my supervisor, con- structively criticised a draft of this work. Dr A. Bartholomai and Mr B. Campbell of the Queens- land Museum also provided helpful criticism. Various other people helped by bringing my attention to interesting dental abnormalities in- cluding Dr D. Merrilees, Mr A. Baynes, and Ms J. Porter, of the Western Australian Museum, and Dr T. K. Kirkpatrick of the Queensland Department of Primary Industries who also allowed me to study the interesting series of abnormal teeth in his collection of macropodid skulls. Mr K. Thompson, University of Western Australia, kindly donated J23082, the abnormal Isoodon obesulus. Dr H. Van Deusen, American Museum of Natural History, Ms J. Covacevich, Queensland Museum, Ms J. Dixon, National Museum of Victoria, Mr B. J. Marlow, Australian Museum, Mr R. Warneke, Fisheries and Wildlife Department, Victoria, Mr P. Aitken, South Australian Museum, Mr S. Parker, formerly of the Arid Zone Research Centre, Mr R. Green, Queen Victoria Museum and Art Gallery, and Dr E. Hill, British Museum, Natural History, allowed me to examine specimens in museum collections. Mr D. Vernon, Queensland Museum, kindly gave me access to records he has kept of the breeding population of Dasyuroides byrnei in the Queensland Museum. Mr A. Easton, Queensland ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYUR1DS 263 Museum, helped with photography. While this research was carried out, I received a Fulbright Scholarship, a grant in aid from the American Explorers’ Club, and a Research Assis- tantship to Dr W. D. L. Ride, who was in receipt of a Research Grant from the Australian Research Grants Committee. LITERATURE CITED Alexandersen, V., 1963. Double-rooted human lower canine teeth. In D. R. Brothwell, (Ed.) ‘Dental Anthropology’, pp. 235-44, (Pergamon Press: Ox- ford). Allo, J., 1971. The dentition of the Maori Dog of New Zealand. Rec. Auckland (N.Z.) Inst. 8: 29-45. Archer, M., 1971. A re-evaluation of the Fromm’s Landing thylacine tooth. Proc. R. Soc. Viet. 84: 229-34. 1974. The development of the cheek-teeth in Antechinus flavipes (Marsupialia, Dasyuridae). J. R. Soc. W. Aust. 57: 54-63. 1975. Ningaui, a new genus of tiny dasyurids (Mar- supialia) and two new species from arid Western Australia, N. timealeyi and N. ridei. Mem. Qd. Mus. Bader, R. S., 1954. Variability and evolutionary rate in the oreodonts. Evolution 9: 1 19-40. Bartholomai, A., 1971a. Morphology and variation of the cheek teeth in Macropus giganteus Shaw and Macropus agilis (Gould). Mem. Qd Mus. 16: 1-18. 1971b. Dasyurus dunmalli , a new species of fossil marsupial (Dasyuridae) in the upper Cainozoic deposits of Queensland. Mem. Qd Mus. 16: 19 26. 1973. The genus Protemnodon Owen (Marsupialia: Macropodidae) in the upper Cainozoic deposits of Queensland. Mem. Qd Mus. 16: 309-63. Bateson, W., 1894. ‘Materials for the study of variation treated with special regard to discontinuity in the origin of species.’ pp. 1-598 (Macmillan and Co.: London). Bensley,, B. A., 1903. On the evolution of the Australian Marsupialia: with remarks on the relationships of marsupials in general. Trans. Linn. Soc. Lond. 9: 83-217. 1906. The homologies of the stylar cusps of the upper molars of the Didelphyidae. Stud. Univ. Toronto, Biot. Ser. 5: 1-13. Berkovitz, B. K. B., 1966. Homology of the premolar teeth in Setonix brachyurus (Macropodidae: Mar- supialia). Archs oral Biol. 11: 1371-84. 1967. The dentition of a 25-day pouch young specimen of Didelphis virginiana (Didelphidae: Marsupialia). Arch oral Biol. 12: 1211-2. 1968a. Some stages in the early development of the post-incisor dentition of Trichosurus vulpecula (Phal- angeroidea: Marsupialia). J. Zool., Lond. 154: 403-14. 1968b. Supernumerary deciduous incisors and the order of eruption of the incisor teeth in the albino ferret. J. Zool.. Lond. 155: 445-9. 1968c. The early development of the incisor teeth of Setonix brachyurus (Macropodidae: Marsupialia) with special reference to the prelacteal teeth. Archs oral Biol. 13: 171-90, 1969. Supernumerary deciduous incisors in the polecat. Archs oral Biol. 14: 863. Berkovitz, B. K. B. and Musgrave, J. H., 1971. A rare dental abnormality in an adult male orang-utan (Pongo pygmaeus); bilateral supernumerary maxil- lary premolars. J. Zool., Lond. 164: 266-8. Black, G. V., 1902. ‘Descriptive anatomy of the human teeth’. (5th Ed.). Pp. 1-169. (S. S. White Dental Manufacturing Company: Philadelphia). Bolk, L., 1922. Odontological essays. 4. On the relation between reptilian and mammalian teeth. J. Anat., Lond. 56: 136. Brekhus, P. J., Oliver, C. P., and Montelius, G., 1944. A study of the pattern and combinations of con- genitally missing teeth in man. J. dent. Res. 23: 117-31. Brothwell, D. R., Carbonell, V. M., and Goose, D. H., 1963. Congenital absence of teeth in human populations. In D. R. Brothwell (Ed.), ‘Dental Anthropology’, pp. 179-90. (Pergamon Press: Ox- ford). Butler, P. M., 1937. Studies of the mammalian den- tition. The teeth of Centetes ecaudatus and its allies. Proc. zool. Soc. Lond. (Series B) 109: 1-36. 1956. The ontogency of molar pattern. Biol. Rev. 31 : 30-70. 1961. Relationships between upper and lower molar patterns. Int. Colloq. Evol. Lower and Non- specialised Mammals, Brussels 1: 1 17 26. 1963. Tooth morphology and primate evolution. In D. R. Brothwell, (Ed.) ‘Dental Anthropology’, pp. 1-13. (Pergamon Press: Oxford). 1967. Dental merism and tooth development. J. dent. Res. 46, supplement Sept. -Oct. 1967: 845-50. Carbonell, V. M., 1963. Variations in the frequency of shovel-shaped incisors in different populations.//! D. R. Brothwell, (Ed.) ‘Dental Anthropology’, pp. 211-34. (Pergamon Press: Oxford). Chasson, R. B., 1955. Dental abnormalities of the Alaskan Fur Seal. J. Mammal. 36: 562-64. Churcher, C. S., 1959. The specific status of the new world red fox. J. Mammal. 40: 513-20. Clemens, W. A. Jr., 1966. Fossil mammals of the type Lance Formation, Wyoming. Part 2. Marsupialia. Bull. Dep. Geol. Univ. Calif. 62: 1-122. Daniel, M. J. and Kershaw, M., 1964. Recent con- genital anomalies in rdd deer in New Zealand. J. Mammal, 45: 480-83. Darwin, C., 1882. ‘The variation of animals and plants under domestication’. (2nd Ed.) Vol. 1: 1-473. (John Murray: Lond.). Fish, P. G. and Whitaker J. O. Jr., 1971. Microtus pinetorum with grooved incisors. J. Mammal. 52: 827. Flower, W. H., 1868. On the development and suc- cession of the teeth in the Marsupialia. Phil. Trans. 157: 631-41. Forsten, A., 1973. Abnormal enamel morphology in fossil equid teeth. J. Mammal. 54: 255-8. Frisch, J. E., 1963. Dental variability in a population of Gibbons. In D. R. Brothwell, (Ed.) ‘Dental 264 MEMOIRS OF THE QUEENSLAND MUSEUM Anthropology’, pp. 15-28. (Pergamon Press: Ox- ford). Garn, S. M. and Lewis, A. B,, 1963. Phylogenetic and intraspecific variations in tooth sequence poly- morphism. In D. R. Brothwell, (Ed.) ‘Dental Anthropology’, pp. 53-73 (Pergamon Press: Ox- ford). Green, R. H., 1967. Notes on the Devil (Sarcophilus harrisi) and the Quoll (Dasyurus viverrinus) in north- eastern Tasmania. Rec. Q. Viet. Mus. 27: 1-13. Gruneberg, H., 1951. The genetics of a tooth defect in the mouse. Proc. R. Soc. (Series B) 138: 437-51. 1965. Genes and genotypes affecting the teeth of the mouse. J. Embryol. exp. Morph. 14: 137-59. Hitchin, A. D., and Morris, L, 1966. Geminated odontome-connation of the incisors in the dog-its etiology and ontogeny. J. dent. Res., supplement to no. 3 45: 137-59. Hooper, E. T., 1955. Extra teeth in the pygmy mouse Baiomys musculus. J. Mammal. 36: 298-9. Hopewell-Smith, A., 1913. ‘An introduction to dental anatomy and physiology descriptive and applied’, pp. 1 372. (Lea and Febiger: Philadelphia). Hopewell-Smith, A. and Tims, H. W. M., 1911. Tooth- germs in the wallaby Macropus billardieri. Proc. zool. Soc. Lond. 1911: 926-42. Johnson, D. H., 1952. The occurrence and significance of extra molar teeth in rodents. J. Mammal. 33: 70-2. 1964. Mammals of the Arnhem Land Expedition. Pp. 427-517 In. Records of the American- Australian Scientific Expedition to Arnhem Land, Vol. 4, (University Press: Melbourne). Jones, J. K., 1960. Absence of third upper premolar in Eutamias. J. Mammal. 41: 269. Kallay, J., 1966. Extra cusp formation in the human dentition. J. dent. Res. 45: 1381-94. Kingsmill, E., 1962. An investigation of criteria for estimating age in the marsupials Trichosurus vul- pecula Kerr and Perameles nasuta Geolfroy. Aust. J. Zool. 10: 597-616. Kirkpatrick, T. H., 1965. Studies of macropodidae in Queensland. 2. Age estimation in the grey kangaroo, the red kangaroo, the eastern wallaroo and the red- necked wallaby, with notes on dental abnormalities. QdJ. agric. Sci. 22: 301-17. 1969. ‘The dentition of the marsupial family Macropo- didae with particular reference to tooth development in the Grey Kangaroo Macropus giganteus Shaw’. Unpublished thesis submitted to the Department of Zoology, University of Queensland: 1-128. Kraus, B, S., Jordan, R. E. and Prunzansky, S., 1966. Dental abnormalities in the deciduous and per- manent dentitions of individuals with cleft lip and palate. J. dent. Res. 45: 1736-46. Kurten, B., 1955. Contribution to the history of a mutation during 1,000,000 years. Evolution 9: 107-18. 1957. A case of Darwinian selection in bears. Evolution 11: 412 16. 1963. Return of a lost structure in the evolution of the felid dentition. Comment, biol. Helsingf. 26: 3-11. 1967. Some quantitative approaches to dental mic- roevolution. J. dent. Res. supplement to 46: 817 28. Macintosh, N. W. G., and Mahoney, J. A., 1964. ‘A 4,000 years old thylacine tooth (Dasyuridae) from Shelter 2’ Appendix 3 (pp. 507-16) In D. J. Mulvaney, et. al. Archaeological excavation of Rock Shelter no. 6 Fromm’s Landing, South Australia. Proc. R. Soc. Viet. 77: 479-516. Mack, G., 1961. Mammals from south-western Queensland. Mem. Qd Mus. 13: 213-29. Mech, D. L., Frenzel, L. D. Jr., Karns, P. D., and Kuehn, D. W., 1970. Mandibular dental anomalies in White Tailed deer from Minnesota. J. Mammal. 51: 804-6. Meredith, H. V., and Hixon, E. H., 1954. Frequency, size and bilateralism of Carabelli’s tubercle. J. dent. Res. 33: 435-40. Miller, F. L., and Tessier, G. D., 1971. Dental anomalies in Caribou, Rangifer tarandus. J. Mammal. 52: 164-73. Mills, J. R. E., 1963. Occlusion and malocclusion of the teeth of primates. In D, R. Brothwell, (Ed.) ‘Dental Anthropology’, pp. 29 5 1 . (Pergamon Press: Oxford). Oringer, M. J., 1948. Anomalies of human dentition. Oral Surgery Oral Medicine Oral Pathology 1: 1119-30. Owen, R., 1840-5. Odontography. Ixxiv and 665 pp. (Hippolyte Balliere: London). Remane, A., 1926. Eine seltsame Gebissanomalie bei einem StummelaflFen, zugleich ein Beitrag zur Frage der Selektionswirkung bei der Gebiss- differenzierung, Z. Saugetierk. 1: 114-20. Ride, W. D. L., 1962. On the evolution of Australian marsupials. Pp. 28 1-306 in G. W. Leeper, (Ed.) The evolution of living organisms’. (Melb. Univ. Pr.: Melbourne). 1964. Antechinus rosamondae, a new species of dasyurid marsupial from the Pilbara District of Western Australia; with remarks on the classification of Antechinus. W. Aust. Nat. 9: 58-65. 1970. ‘A guide to the native mammals of Australia.’ xiv and 249 pp. (Oxford Univ. Pr.: Melbourne). Rose, C., 1892. Uber die Zahnentwicklung der Beutel- tiere. Anat. Anz. 7: 639-50 and 693-707. 1893. Uber die Zahnentwicklung von Phascolomys Wombat. S.B. preuss. Akad. Wiss. 38: 749-55. Ruston, M. A., 1936. Some dilated composite odontomes. Dent. Rec. 56: 766-74. Schitoskey, F. Jr., 1971. Anomalies and pathological conditions in the skulls of Nutria from southern Louisiana. Mammalia 35: 31 1-14. Sinclair, W. J., 1906. Mammalia of the Santa Cruz beds, Marsupialia. Rep. Princeton Exped. to Patagonia 4: 333-408. Sofair,J. A., Bailit, H. L., and MacLean, C. J., 1971. A developmental basis for differential tooth reduction during hominid evolution. Evolution 25: 509-17. Spinage, C. A., 1971. Two records of pathological conditions in the impala (Aepyceros melampus). J. Zool., Lond. 164: 269-70, Stein, M. R., 1934. Some variations of the upper third molar. J. Amer. dent. Ass. 21: 1815-9. ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS 265 Stockard, C. R., et. al, 1941. The genetic and endocrine basis for differences in form and behaviour. Amer. anat. Mem. 19 : 367-72. Stones, H. H., Farmer, E. D. and Lawton, F. E., 1966. ‘Stone’s oral and dental diseases.’ (5th Ed.) Pp. 1-1 1 12. (E. and S. Livingstone Ltd.: London). Sutton, J. B., 1890. ‘Evolution and disease.’ Pp. 1-285. (Walter Scott: London). Swanson, W. F., and McCarthy, F. M., 1947. Bilateral dens in dente. J. dent. Res. 26: 167-71. Thomas, O., 1887a. On the homologies and succession of the teeth in the Dasyuridae with an attempt to trace the history of the evolution of mammalian teeth in general. Phil. Trans. 178 : 443-62. 1887b. On the milk dentition of the koala. Proc. zool. Soc. Lond. 128 : 338-9. 1888. ‘Catalogue of the Marsupialia and Monotremata in the collection of the British Museum (Natural History).’ xiii and 401 pp. (British Museum (Natural History): London). Tate, G. H. H„ 1947. Results of the Archbold Expeditions. No. 56. On the anatomy and classification of the Dasyuridae (Marsupialia). Bull. Am. Mus. nat. Hist. 88: 101-55. 1947a. An example of ‘prelacteal incisors’ in advanced pouch young of Macropus. J. Mammal. 28 : 399-400. 1948. Results of the Archbold Expeditions. No. 59. Studies on the anatomy and phylogeny of the Macropodidae (Marsupialia). Bull. Am. Mus. nat. Hist. 91 : 233-351. 1951. The banded anteater Myrmecobius Waterhouse (Marsupialia). Amer. Mus. Novit. 1521 : 18. Tratman, E. K., 1949. An unrecorded form of the simplest type of the dilated composite odontome. Brit. dent. J. 86: 271-5. Troughton, E. Le G., 1967. Furred animals of Australia. (9th Ed.) xxxii and 384 pp. (Angus & Robertson Ltd.: Sydney). Van Valen, L., 1962. Growth fields in the dentition of Peromyscus. Evolution 16 : 272-7. 1964. Nature of supernumerary molars of Otocyon. J. Mammal. 45 : 284-6. 1966. Nearly rooted incisors in an abnormal rat, and control of tooth growth. Evolution 20: 428-30. 1970. An analysis of developmental fields. Devi. Biol. 23: 456-77. Waddington, C. H., 1966. Fields and gradients. Symp. Soc. Develop. Biol. 25 : 105 24. Wallace, J. T., 1968. Analysis of dental variation in wild-caught California house-mice. Amer. Midi. Nat. 80 : 360-80. Waterhouse, G. R., 1846. ‘A natural history of the Mammalia’. Vol. 1. Marsupiata, or pouched animals. Pp. 1-553. (Hippolyte Bailliere: London). Wilson, J. T., and Hill, J. P., 1896. Observations upon the development and succession of the teeth in Perameles ; together with a contribution to the discussion of the homologies of the teeth in marsupial families. Quart. J. micr. Sci. 39 : 427-588. Wolfe, J. L., and Layne, J. N., 1968. Variations in dental structures of the Florida mouse, Peromyscus floridanus. Amer. Mus. Novit. 2351 : 1-7. Woodward, M. F., 1893. Contributions to the study of mammalian dentition. Pt. 1. On the development of the teeth of the Macropodidae. Proc. zool. Soc., Lond. 1893 : 450-73. 1896. On the teeth of the Marsupialia with special reference to the premilk-dentition, Anat. Anz. 12 : 281-91. Zakrzewski, R. J., 1969. Dental abnormality in the genus Castor. J. Mammal. 50 : 652-3. Ziegler, A. C., 1971 . A theory of the evolution of therian dental formulas and replacement patterns. Quart. Rev. Biol. 46 : 226-49. MEMOIRS OF THE QUEENSLAND MUSEUM Plate 30 A. Antechinus flavipes (WAM M6785) with extra right lower premolar anterior to . B. Sarcophilus harrisii (WAM 71.10.209) with abnormal tooth posterior to LP 1 and otherwise missing posterior left upper teeth. Specimen from cave deposit. C. Phascogale tapoatafa (WAM M7453) with three-rooted partially divided LP 3 . D. Dasyurus maculatus (J 16744) with abnormal LM 4 , possibly part of composite dental odontoma. ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS Plate 30 MEMOIRS OF THE QUEENSLAND MUSEUM Plate 31 A. Sminthopsis sp. (b) (J5459) with divided entoconid on RM 3 . B. Sminthopsis sp. (b) (J 5173) with bifid stylar cusp C on RM 1 . C. Sminthopsis granulipes (WAM M6062) with stylar cusp C on RM 1 or split stylar cusp D. D. Neophascogale sp. (AMNH 109524) with divided stylar cusp C and possibly also divided stylar cusp D on RM 1 . E. Dasyuroides byrnei (specimens in Queensland Museum). El, captured live, presents normal skull form. E2, inbred in captivity, shows extreme brachycephaly and related distortions of ‘wild’ condition. ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS Plate 31 MEMOIRS OF THE QUEENSLAND MUSEUM Plate 32 A. Isoodon obesulus (J 23082) with grossly abnormal L and RMj. B. Isoodon macrourus (J 21908) showing almost total anodontia. C. Trichosurus vulpecula (1, J 23071; 2, J 23070). Cl shows normal RdP 4 . C2 shows abnormal ?RdP 4 erupting above this tooth through side of maxilla. Plate 32 ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS MEMOIRS OF THE QUEENSLAND MUSEUM Plate 33 A. Pseudocheirus peregrinus (J 11427) with calcified ?RdP 4 adhering to buccal side of RP 4 . B. Phascolarctos cinereus (1, J 8811; 2, J 10023). B1 shows reduced hypocones on RM 1-4 . B2 shows extra right incisor and unreduced hypocones on RM 1 ^, C. Macropus irma (WAM M8127) showing calcified 7LC 1 with maxillary-premaxillary crypt and calcified ?L and Rdl 1 anterior to unerupted L and RI 1 . ARCHER: ABNORMAL DENTAL DEVELOPMENT IN DASYURIDS Plate 33 MEMOIRS OF THE QUEENSLAND MUSEUM Plate 34 A. Macropus robustus (1, WAM M6976; 2, WAM M6137). A1 shows 7LC 1 in maxillary-premaxillary crypt formed by anterior extension of maxillary bone. A2 shows older individual in which anterior projection of maxillary bone has been resorbed (former position indicated by arrow) and 7RC 1 lost. B. Macropus giganteus (J 23092) with abnormal L and RI 2 and RP erupting in abnormal position. C. Macropus giganteus (J 23087) with RP abnormal in structure and position, and supernumerary incisiform tooth anterior to LP. MEMOIRS OF THE QUEENSLAND MUSEUM Plate 35 A. Macropus giganteus (J 23083) with abnormal L and RM 5 . B. Megaleia rufa (J 23091) with abnormal supernumerary tooth between RM 3 and RM 4 . C. Megaleia rufa (J 23088) with supernumerary abnormal tooth posterior to RM 1 and alveolus for another posterior to ?RM 3 . D. Megaleia rufa (J 23084) showing abnormal LM 5 . E. Megaleia rufa (J 23086) showing abnormal conical LM 5 . F. Macropus giganteus (J 23085) showing abnormal but bilaterally symmetric L and RM 5 . G. Macropus giganteus (J 23089) showing RP 5 replacing RP 4 anterior to RM 1 . H. Macropodid (F 4713) from Pliocene Chinchilla Sands Formation, showing abnormally shaped LM 4 or M 5 . ARCHER: ABNORMAL DENTAL DEVELOPMENT TN DASYURIDS Plate 35 Mem. QdMus . 17(2): 267-92. [1975] THE GENUS DIG ASTER (MEGASCOLECIDAE: OLIGOCHAETA) IN QUEENSLAND B. G. M. Jamieson Department of Zoology, University of Queensland ABSTRACT Digaster is here emended to exclude Perissogaster excavata and P. nemoralis but to retain P. queenslandica. The redefined genus is limited, as previously, to the montane coastal province of the Eastern Subregion of Australia. It consists of 17 species: 13 in southern Queensland, 2 in New South Wales and 2 species shared between the two states. Evidence given suggests that the genus has originated locally from holonephric species with a pair of combined male and prostatic pores on XVIII, or from meronephric monogastric descendants of these, and that origin, or at least major speciation, of the genus has been relatively recent. It is deduced that the digastric or trigastric condition of the genus is derived from the monogastric condition and that this multiplication of gizzards has occurred in Australia independently of other regions. A new generic definition and a key to all species are given together with descriptions of 5 new species, 2 new subspecies and of new material of 5 previously known species. The genus Digaster was erected by Perrier (1872) for a single species, D. lumbricoides , from the vicin- ity of Port Macquarie in northern New South Wales. This remained the only known Australian oligochaete with two gizzards (the digastric or digiceriate condition) until Fletcher (1887) erected the genus Didymogaster for Didymogaster sylvatica from further south in New South Wales. The latter genus remained monotypic until Jamieson and Bradbury (1972) added the geographic replace- ment species Didymogaster prothecata and val- idated generic distinction from Digaster. The first additions to Digaster were D. armifera Fletcher, 1887 and D. perrieri Fletcher, 1889, also from New South Wales. Subsequently, Spencer (1900) added three species and Michaelsen (1916) and Boardman (1932) each added one species, all from Queensland. Three further Queensland species were added by Jamieson (1970, 1972). The present paper is devoted to description of 5 new species and 2 new subspecies of Digaster recorded in intensive collecting for oligochaetes in Queensland, from its southern border, at approximately 29 °S., north- wards along its eastern seaboard to Cooktown, at approximately 15°30'S., on Cape York Peninsula. A single, brief collecting foray on the Peninsula from its east coast at 15°30'S. to Normanton, near its west coast, at approximately 18°S. was unpro- ductive, presumably because conditions were dry. The oligochaete fauna of the northern half of the Peninsula and of its Carpentaria catchment thus remains unknown. The map of localities sampled will be limited to southern Queensland as the most northerly record for Digaster is 25 S. The new additions bring the generic complement to sixteen digastric species and evidence will be given for the inclusion of a seventeenth species, the trigastric Perissogaster queenslandica Fletcher, 1889. Perissogaster was first placed in the synonymy of Digaster by Beddard (1895) who included its three species and also Didymogaster. Michaelsen (1900, 1907) separated the three genera but Sweet (1900) and Jamieson (1963) again included the three species of Perissogaster , but excluded Didymogas- ter. Jamieson (1970) presented evidence in support of exclusion of the type-species of Perissogaster, P. excavata Fletcher, 1888 and of P. nemoralis Fletcher, 1889 and retention in Digaster of P. queenslandica but these changes were deferred pending examination of Digaster lumbricoides. The latter species was redescribed in Jamieson (1971b), in which a lumbricoides species-group was defined, and it will be appropriate in the present work to redefine the genus. Genus Digaster Perrier, 1872 Digaster Perrier, 1872, pp, 94-6; Michaelsen, 1900, p. 196; 1907, p. 162; Stephenson, 1930, p. 839. 268 MEMOIRS OF THE QUEENSLAND MUSEUM Digaster (part.); Beddard, 1895, p. 484; Jamieson, 1963, pp. 85-6; Jamieson, 1971a, pp. 74-5; Jamieson, 1971b, pp. 1307-8. Diagnosis: Setae lumbricine. Gizzards 2, in V and VI or VI and VII, or 3, in V, VI and VII; extramural calciferous glands absent though poorly differentiated oesophageal pouches may be present. Intestine commencing in or behind XVII; typhlosole absent. Meronephric; the medianmost nephridium in caudal segments exonephric with preseptal funnel. Combined pores of a pair of racemose or tubuloracemose prostates and the vasa deferentia in XVIII or rarely in XVII. Testis- sacs absent. Spermathecal pores intersegmental or at the anterior margins of their segments. Detailed Definition: Small to large terrestrial worms (28 mm to more than a metre long). Prostomium zygolobous to tanylobous. Circular in cross section throughout, with terminal anus. First dorsal pore in 3/4^11/12 (rarely far posterior?). Setae 8 per segment, in straight or irregular longitudinal rows; fairly closely paired; cd significantly wider than ab (minimally 1-2 ab); dd:u 0-2-08 in the forebody. Nephropores scattered, only sporadically visible. Clitellum annular, oc- cupying 4-8 segments, the first segment occupied usually being XIII or XIV. Combined male and prostatic pores a pair on XVIII varying from median to a to b lines. Accessory genital markings present or absent. Female pores paired or, rarely, single; anteromedian to setae a of XIV. Spermathe- cal pores 2 or, rarely, 3 pairs, intersegmental or at the anterior borders of their segments, the last in or immediately behind 8/9, varying from median to a to b lines. Dorsal blood vessel single, continuous onto the pharynx; last hearts in XII or XIII; supra- oesophageal vessel present but often poorly differ- entiated; the last hearts in and posterior to X latero-oesophageal; dorsoventral commissurals present anteriorly to the hearts. Subneural vessel absent. Gizzards 2, in V and VI or VI and VII or {queenslandica and rare individual variation) 3, in V, VI and VII; contiguous or separated by unmodified oesophagus. Oesophagus vascularized and internally folded and often dilated, in a few to most segments occupied, but extramural calci- ferous glands absent; intestine commencing in XVII to XIX; typhlosole, muscular thickening and caeca absent. Wholly meronephric; micromeronephridia in anteriormost segments aggregated in bands or usually forming bucco-pharyngeal or exonephric tufts; succeeding nephridia exonephric astomate micromeronephridia; in the hindbody the median- most nephridium on each side possessing a pre- septal funnel which usually (and typically) is enlarged as an exonephric megameronephridium. Flolandric (testes and funnels a pair in each of X and XI) or metandric (these in XI only); testis sacs absent; seminal vesicles in IX and XII, XI and XII or XII only. Prostates 1 pair, racemose or {queens- landica) tending to tubuloracemose; unipartite or bipartite; the vasa deferentia (always?) joining the junction of gland and duct. Penial setae present or, more commonly, absent. Ovaries 1 pair, in XIII; ovisacs absent. Spermathecae 2 or 3 pairs, with 1 or 2 often multiloculate diverticula. All structures sometimes ( D . lumbricoides and D. anomala ) dis- placed one segment anteriorly by suppression of an anterior metamere but gizzards never anterior to V). Distribution: New South Wales (Port Mac- quarie and Kyogle areas and the Sydney Basin); Queensland (South of 25 °S., coastal to as far west as 151 °E.). Type Species: Digaster lumbricoides Perrier, 1872. Species: (NSW = New South Wales; Q = Queensland). 1 . D. anomala Jamieson, 1970 Q 2. D. armifera Fletcher, 1887 NSW 3. D. binnaburra sp. nov. Q 4. D. bradburyi Jamieson, 1970 Q 5. D. brunneus Spencer, 1900 Q 6. D. gayndahensis Spencer, 1900 Q 7. D. gwongorellae Jamieson, 1972 Q 8. D. lamingtonensis Michaelsen, 1916 Q 9. D. longmani Boardman, 1932 NSW, Q 10. D. lumbricoides Perrier, 1872 NSW, Q 11. D. minima sp. nov. Q 12. D. minor Spencer, 1 900 Q 13. D. nothofagi sp. nov. Q 14. D. perrieri Fletcher, 1889 NSW 15. D. pseudoperichaeta sp. nov. Q 16 Perissogaster queenslandica Flet- cher, 1889 Q 17. D. sexpunctata sp. nov. Q Remarks: Jamieson (1970) showed that the type- species of Perissogaster, P. excavata (see also Bage, 1910), and P. nemoralis had only astomate micro- meronephridia posteriorly. The third known spec- ies, P. queenslandica , was shown to have the dichogastrin condition, with the medianmost neph- ridium enlarged and stomate. Demonstration (Jamieson, 1971b) that the dichogastrin condition was typical of Digaster supported the contention in the previous paper that P. queenslandica could be accommodated in Digaster while Perissogaster JAMIESON: GENUS DIG ASTER IN QUEENSLAND 269 should be revived for P. excavata and R. nemoralis. Perissogaster is here formally re-instated although it must be stated that existing material of the genus is not in sufficiently good condition to allow full characterization of the genus. With the re-instatement of Perissogaster as an independent genus, the number of di- or tri-gastric genera in the Megascolecinae is raised to thirteen of which only Digaster, Didymogaster and Per- issogaster are Australian. The fact that all thirteen genera have the advanced (meronephric) condition of the nephridia, all holonephric megascolecines being monogastric or agastric, suggests that mul- tiplication of gizzards is a secondary condition, at least in the Megascolecinae. Ten of the genera with multiplied gizzards ( Benhamia , Dichogaster, Eudi- chogaster, Eutrigaster, Lennogaster, Millsonia, Omodeona, Pellogaster, Rillogaster and Trigaster) differ from the three Australian genera in lacking the megascolecin of the male terminalia (pores of a pair of prostates and of the vasa deferentia combined on XVIII). This difference, in addition to its diagnostic value, is of interest in suggesting that multiplication of the gizzards has occurred in Australia independently of replication in groups in other regions. This inference is supported by the fact that the primitive (that is, holonephric, monogastric) Australian genera have the same, megascolecin condition of the male pores, a fact which suggests that they are ancestral to the di- or tri-gastric Australian genera and contraindicating descent of the latter from allopatric genera with non-megascolecin male pores whether with one or more gizzards. The five new species of Digaster and two new subspecies are all assignable to the very homo- geneous lumbricoides species-group defined by Jamieson (1971b). Inclusion of the remaining species, D. armifera, D. perrieri and D. queenslan- dica, in the genus confers greater heterogeneity on the genus but their exclusion cannot on present evidence be justified. The displacement of the gizzards in the lumbricoides group from VI and VII to V and VI in D. lumbricoides and D. anomala by deletion or supression of an anterior metamere, together with occurrence of gizzards in V, VI and VII in the morphologically close D. queenslandica and (Jamieson, 1963) a variant in D. perrieri, do not allow convincing subdivision on the basis of distribution of the gizzards. Perissogaster s. strict., now limited to P. ex- cavata and P. nemoralis , from New South Wales, is diagnosed from all other megascolecids by the combination of three gizzards, megascolecin male pores and non-dichogastrin (megascolecin) neph- ridia. Didymogaster, also from New South Wales, is distinguished by the combination of two giz- zards, in VI and VII, megascolecin male pores, the segmental (not intersegmental) location of the spermathecal pores and the suboesophageal testis- sacs. While the tribes Perionychini and Dichogastrini, characterized by holonephric and dichogastrin nephridia respectively, are acceptable groupings by virtue of their homogeneity, the tribe Megasco- lecini, diagnosed by non-dichogastrin mer- onephridia, which includes Perissogaster , is less satisfactory, being more heterogeneous in mor- phology and probably in origin. Relegation of Perissogaster s, strict, to the Megascolecini still leaves the possibility of close relationship of this genus with Digaster. The distribution of Digaster (like that of Did- ymogaster and Perissogaster ) conforms with the montane coastal province of the Eastern Subregion of Australia recognized for the avifauna by Kik- kawa and Pearse (1969; see Jamieson, 1974). In view of the large number of very similar species in the genus, this limited geographical distribution does not appear to be evidence, as might have been thought, that Digaster is a relict genus with a former wide distribution in Australia. If it were taken to be a relict with a much-contracted distribution it would be necessary to explain why the similarly digastric Didymogaster and the tri- gastric Perissogaster also survived only in this province. Nor can the limited distribution be explained in terms of recent introduction from outside Australia for this would require either concomitant introduction of all its species and, presumably, of Didymogaster and Perissogaster, or massive speciation since introduction. It seems more acceptable that Digaster (and the clearly related Didymogaster and the less certainly related Perissogaster) originated locally from monogastric holonephric worms, or their meronephric de- scendants, sufficiently long ago for considerable speciation but not long enough ago for col- onization of other parts of Australia. Part of the restriction in range must be due to ecological preferences and not to lack of time for dispersion but it must be reiterated that the digastric condition suggests relatively recent, and local, origin of the genus for reasons given above. Key to the Species and Subspecies of Digaster 1. 3 oesophageal gizzards present . . D. queenslandica * 2 oesophageal gizzards present . . . . 2 2. Male pores in XVII 3 Male pores in XVIII 4 3. Accessory genital markings a pair of oval 270 MEMOIRS OF THE QUEENSLAND MUSEUM glandular areas in front of and behind the male pores, posteriorly in XVI and ante- riorly in XVIII. Other accessory genital markings absent . .D. lumbricoides lumbricoides, Fig. 9F Accessory genital markings midventral, un- paired transverse pads in 19/20 and 20/21; sometimes also in varying numbers of in- tersegments 18/19, 21/22 24/25, and in 8/9-10/11 . . . . D. anomala. Fig. 9B 4. Gizzards in V and VI 5 Gizzards in VI and VII . . . . . . 6 5. A square glandular pad midventral in each of XI and XII. At maturity, 2 elliptical genital markings, one behind the other, lateral of the male pores. A pair of ellipses often present in each of XVII and XIX D. armifera*, Fig. 9C Genital markings absent from XI and XII. 3 transverse ventral ridges typically present, in 17/18, XVIII and 18/19 . . . D . perrieri* 6. Dorsal setal couples ( cd) in caudal segments displaced far dorsally, the 4 setae in 4 equispaced lines . . 7 Dorsal setal couples not displaced far dorsally; significantly further apart than the setae of each couple 8 7. Accessory genital markings a midventral pad in X, XVI and XVII, and a pair of white tumescences presetally in XIX. . D. pseudoperichaeta , Fig. 7 Accessory genital markings a midventral cir- cular papilla in XIII, XX, XXI and in varying numbers of segments XII, XV, XVI, XIX, and XXII— XXIV. A paired marking sometimes present in X D. minima, Fig. 6A 8. One or more midventral unpaired genital markings (papillae or transverse pads) in or within a segment or two of IX . . . . 9 Midventral unpaired genital markings absent or, if present, not in the vicinity of IX . 13 9. 3 pairs of small disc-like markings located between the male porophores on XVII D. sexpunctata, Fig. 8 No genital markings between the male poro- phores . . . . . . 10 10. Metandric (testes and funnels in XI, seminal vesicles 1 pair, in XII only). First dorsal pore in 5/6 or 6/7 . . D. longmani (part.) Holandric (testes and funnels in X and XI, seminal vesicles 2 pairs, in IX and XII or XI and XII). First dorsal pore in 4/5 . . 11 11. Seminal vesicles in XI and XII. First dorsal pore in 5/6 . . . . D. longmani (part.) Seminal vesicles in IX and XII. First dorsal pore in 4/5 12 12. Midventral unpaired papillae transversely elongate on segments following the sper- mathecal pores; intersegmental in the vic- inity of the male pores where there may be paired papillae also D. nothofagi, Fig. 6B Midventral unpaired papillae circular or longi- tudinally extended on segments following and often including the spermathecal pores; not present in the vicinity of the male pores where there are usually paired segmental markings . . . . D. binnaburra, Fig. 2 13. A midventral circular, oval or almost bifid pad on XVIII between or including the male pores 14 No midventral pad in XVIII. Genital markings usually present elsewhere 15 14. Female pore unpaired. No genital markings present in addition to that on XVI II . . . . D. gwongorel/ae, Fig. 9E Female pore paired. Typically with an ad- ditional genital marking on XIX.. D. minor*. Fig. 9D 15. Metandric (testes and funnels in XI, seminal vesicles in XII only) 16 Holandric (testes and funnels in X and XI, seminal vesicles 2 pairs, in IX and XII or XI and XII) 18 16. Unpaired transverse midventral pads in- tersegmental on the clitellum. First dorsal pore in 9/1 0-1 2/13 D, brunneus (part.), Fig. 4B Clitellar pads absent. First dorsal pore in 5/6-12/13 17 17. First dorsal pore in 9/10 or further posteriorly D. brunneus (part.), Fig. 3B First dorsal pore in 5/6 or 6/7 D. longmani (part.) 18. A pair of glandular patches present in the vic- inity of 17/18 in front of the male pores. Other genital markings present or absent 19 No paired glandular patches anterior to the male pores. Male pores in ab of XVIII on small papillae within a common lip-like ridge. Midventral unpaired transverse pads extending to ab in 19/20, 20/21 and 21/22 D. gayndahensis* , Fig. 9G 19. A pair of genital markings in or just anterior to 17/18 and a similar, unilateral (left) marking in or just anterior to 18/19. First dorsal pore in 5/6, Spermathecal ducts not dilated . . D. lamingtonensis*. Fig. 9H Paired markings in or near 17/18; markings if present near 18/19 paired. First dorsal pore in 4/5 or 8/9-10/11. Spermathecal ducts not JAMIESON: GENUS DIG ASTER IN QUEENSLAND 271 dilated 20 20. First dorsal pore in 4/5. Male pores preceded at 17/18 and succeeded at 18/19 by a pair of oval glandular areas D. lumbricoides kondalilla, Fig. 5 First dorsal pore in or behind 8/9. Male pores preceded at 17/18 by a pair of glandular areas but paired markings behind the pores indistinct or absent 21 21. Body approximately 90-140 mm long and 4-5 mm wide . D. bradburyi bradburyi , Fig. 9A Body approximately 185 265 mm long and 8-10 mm wide D. bradburyi bunyaensis. Fig. 3A * Asterisked species have not been recorded, and are therefore not described, in this study. Published illustrations of their genital fields are, however, reproduced. The fields of D. perrieri (see Jamieson, 1963) and D. queenslandica (see Fletcher, 1889) on available specimens do not merit illustration. Digaster anomala Jamieson, 1970 Figs. 1, 9B; Table 1 Digaster anomala Jamieson, 1970, pp. 40-3, figs. 1 B, C; 2D, E. Material Examined: Or 3, 152°50 / E. 27°15'S., Kobble, rocky hillside covered by Lantana, E. Bradbury, 10 Jul 1970 and 10 Aug 1970, BM(NH) 1973.10.1-5,6-15; rocky hillside by road, E. Bradbury, 8 Oct 1970, BM(NH) 1 973. 1 0. 1 6-21 . Or 5, 1 52 °45'E. 27 2 US., 6 miles from M t. Nebo on Mt. Glorious road, on side of eucalypt-covered hill by ferns and nettles, E. Bradbury, 12 Jun 1970, BM(NH) 1973.10.22-23; Mt. Glorious, rainforest, E. Bradbury, 12 Jun 1970, BM(NH) 1973.10.24; 8 Oct 1970 BM(NH) 1973. 10.25; I. Naumann, 1 3 Sep 1971 , BM(NH) 1973.10.26. Or 7, 152°47'E. 27 23'S„ Mt. Nebo road Mt. Nebo, in loamy soil in gully in eucalypt area, E. Bradbury, 12 Jun 1970, 3, Jamieson collection; 1 mile from Mt. Nebo on road, E. Bradbury, 10 Aug 1970, BM(NH) 1973.10.27- 28. Or 11, 152°54'E. 27°28'S., Gold Creek Road, Brookfield, in loose damp soil in leaf mould near creek, E. Bradbury, 24 Apr 1970, BM(NH) 1973.10.29-44, 45. Or 12, 152 54.5'E. 27°30'S., Willunga Street, Brookfield, on dirt road surface after heavy rain, B. Jamieson, 9 Dec 1970, BM(NH) 1973.10.46-55; Brookfield, E. R. John- son, no date, BM(NH) 1973.10.56. Or 13, 152°5TE. 27 C ‘32'S., banks of Kholo Creek, Mt. Crosby Road, near Brisbane, B. Jamieson and/or E. Bradbury, 1 3 Mar 1970, 24 Apr 1970, 2 Feb 1970, 4 Mar 1970, 2 Jun 1966, BM(NH) 1973.10.57, 58-59, 60-65, 66-67, 68-70. Or 14, 152°53'E. 27°35 / S., Moggill, near Brisbane, E. R. Johnson, no date, BM(NH) 1973.10.71-72. Or 16, 152°58'E. 27°28'S., Eastern part of Mt. Coot-tha, Brisbane, in sandy Lantana soil, L. Lyndon, 5 Sep 1971, BM(NH) 1973.10.73-74. Or 18, 152°58'E. 27 C 33'S., Fig Tree Pocket, Brisbane, cleared land near river bank, Mrs C. C. Wallace, 27 Oct 1969, QM G83 16-24. Or 20, 152°49'E. 27°49'S., Mt. Flinders, H. Mayne, no date, BM(NH) 1973.10.75-77, 78. The following account is abstracted from Jamie- son (1970). New material is listed under ‘Material Examined’ and is discussed under ‘Genital Field Variation’, below. 1 - 69-105 mm, w (midclitellar) = 3-4 mm, s 103-146. Unpigmented excepting the brick red clitellum. Prostomium epilobous -. First perforate dorsal pore 4/5. Setae in 8 longitudinal rows throughout; commencing on segment I; aa:ab:bc:cd:dd in XII averaging 2-9: 1:4- 3:3-0: 19-6; dd:u = 047-0-55. Clitellum annular, XIII-XVII. Male pores on XVII in a. Accessory genital markings midventral unpaired transverse pads in 19/20 and 20/21 and sometimes also in 18/19, 21/22, 23/24 and 24/25; sometimes with slight ventral epidermal elevations in some or all of intersegments 8/9-10/11. Female pores antero- median of seta a in XIII. Spermathecal pores 2 pairs, well median of a lines, in 6/7 and 7/8. Last hearts in XII. Gizzards in V and VI; calciferous glands absent; intestinal origin XVII. Nephridia meronephridia with exonephric tufts in III and, caudally, an exonephric stomate mega- meronephridium median to astomate micromero- nephridia in each segment. Holandric; testes in IX and X; seminal vesicles racemose in VIII or VIII and XI. Ovaries in XII; ovisacs absent. Prostates bipartite, in XVII. Spermathecae 2 pairs, in VII and VIII; diverticulum large, ovoid-subspherical, in- ternally multiloculate, almost sessile on the ectal end of the duct; length of a spermatheca = 3-0 mm; ratio of length: length duct = 3-5; ratio of length: length diverticulum = 4-7. Genital Field Variation: Specimens from the type-localities (including the new material from Or 12, Willunga Street, and Or 13, Kholo Creek) differ from material from all other recorded localities in having the spermathecal pores median to setal lines a, not in or lateral of a. These two alternative conditions may, for convenience in discussion, be said to characterize a typical and an atypical population, respectively. Table 1 lists the distribution of transverse genital markings in 31 typical specimens, including the holotype and 1 1 paratypes as described by Jamieson (1970), and in 30 atypical specimens from all localities sampled. It is seen that in the typical population transverse genital markings are present in a few to most of intersegments 6/7-11/12, 15/16, 16/1 7—24/25. The distribution in the atypical population agrees with this except for absence in 11/12, 16/17 and 22/23-24/25. These absences in atypical specimens 272 MEMOIRS OF THE QUEENSLAND MUSEUM Fig. 1: Queensland records of Digaster. • = D. anomala. Other species shown by labelled symbols. Unlabelled blank circles indicate sampled localities which did not yield Digaster. Localities are referred to in the text by co-ordinates and number (e.g. Or 3). The inset shows the Australian distribution of this endemic genus. JAMIESON: GENUS DIG ASTER IN QUEENSLAND 273 may not represent a significant difference as the frequency of markings at these sites is low in the typical specimens. In both populations the genital markings are most frequent in 19/20-20/21, being virtually constant in 19/20 and very frequent in 20/21. Good agreement between the two pop- ulations is seen in the frequency of 23-26% in the occurrence of a marking in 21/22 but a major difference is seen in the frequency in 17/18 and 18/19, for in the typical population the marking is more frequent in 17/18 (55%) than in 18/19 (19%) whereas in the atypical population the frequency is reversed, 13% in 17/18 against 83% in 18/19. A further difference is that the marking in 18/19 when present is always simple in the typical specimens while it is usually composed of a pair of more or less conjoined ellipses in the atypical specimens. Penial setae have not been observed in typical specimens whereas in the atypical population in 19 specimens examined for penial setae they were present in 13 specimens (BM(NH) 1973.10.1,6, 7, 16, 17, 25,27, 30, 45, 74. Jamieson collection, Mt. Nebo), though absent in 6 specimens (BM(NH) 1973.10.22, 23, 56, 71, 75, 78). All specimens show the anomala condition, apparent suppression of the first met- amere so that segment I is setigerous and structures including the ovaries and prostates are displaced one segment anteriorly relative to their position in most Megascolecinae. TABLE 1: Distribution of Genital Markings in the Digaster anomala complex. Intersegment occupied Number of specimens °/ /O Typical population % (of 31) Atypical population (of 30) 6/7 17 54.8 11 36-6 7/8 17 54-8 11 36-6 8/9 10 32-3 1 3-3 9/10 10 32-3 1 3-3 10/11 6 19-4 1 3-3 11/12 3 9-7 0 0 12/13 0 0 0 0 13/14 0 0 1 3-3 14/15 0 0 1 3-3 15/16 1 3-2 2 6-7 16/17 6 194 7 0 17/18 17 54-8 4 13-3 18/19 6 19 4 25 83-3 19/20 31 100 29 96-7 20/21 28 90-3 . 24 800 21/22 8 25-8 7 23-3 22/23 1 3-2 0 0 23/24 3 9-7 0 0 24/25 2 6-5 0 0 Type-Locality: Brisbane (Gap Creek Road and Willunga Street, Or 12; Kholo Creek, Or 13). Remarks: The anomalous segmentation, with male pores on XVII, together with the presence of a transverse genital marking in 19/20 and usually in 20/21 , distinguish D. anomala from all other species of Digaster , though the same segmental anomaly occurs in the nominate subspecies of D. lumb- ricoides. The term ‘D. anomala complex’ is here proposed for the combined typical and atypical populations as defined above. That the two populations are conspecific remains to be confirmed but they are clearly very closely related and if specifically distinct would have to be considered sibling species. Digaster binnaburra sp. nov. Figs. 1; 2; 10A, B; 11 A; Table 2, 3 Material Examined: Lamington National Park, South Queensland: Ps 4, 153°11 / E. 28°12'S: 3 miles from Binna Burra, in rainforest with Casuarinas, B. Jamieson and E. Bradbury, 25 Mar 1970, Holotype(H) QM G7382, Paratypes (P) 1-6 (clitellate), P7-11 (with genital markings but aclitellate), QM G7383-93; Binna Burra, in Tristania-Casuarina and mixed broadleaf forest, with tree ferns and palms, B. Jamieson and E. Bradbury, 25 Mar 1971, P14-17, 29, BM(NH) 1973.10.79-82, 83; Binna Burra, rainforest, B. Jamieson and E. Bradbury, 24 Mar 1971, PI 9, 20 (clitellate), 21 25 (with genital markings but aclitellate), BM(NH) 1973.10.84-85, 86-90. Ps 3, 153°09'E. 28°14'S„ in park near O’Reilly’s Guest House: at Elbana Falls, B. Jamieson, 3 May 1970, P18, BM(NH) 1973.10.91; in rainforest, B. Jamieson and T. Walker, 18 Mar 1972, P12, 13, BM(NH) 1973.10.92-93; B. Jamieson, 19 Mar 1972, P26^28, BM(NH) 1973.10.94-96. 1 = 62-65 mm. w (midclitellar) = 3 mm, s 188,185 (H,P1). Form circular in cross section throughout; moderately slender; lacking strong secondary annulation. Pigmentless, excepting the brick-red clitellum, in alcohol. Prostomium pro- epilobous; no canaliculi present dorsally or vent- rally on it or the segments. First dorsal pore 4/5; pores inconspicuous. Setae in 8 regular longitu- dinal rows, commencing on II; setae a and b absent in XVIII. Nephropores not externally visible. Clitellum annular, XIV-XVII(H), 1 XVIII(Pl), with weak extension to ^ XIII; intersegmental furrows and dorsal pores obscured excepting at 13/14 and 17/18; setae retained. Male pores minute in ab of XVIII, each at the centre of a small, low, circular porophore which at maximum develop- ment (PI) fills the segment longitudinally. Ac- cessory genital markings small inconspicuous transversely oval pads paired postsetally in XVII, XIX (H,P1) and XX(H), in ab; the markings and 274 MEMOIRS OF THE QUEENSLAND MUSEUM the male porophores contained within a ventral glandular area. Unpaired low boss-like accessory genital markings present anteriorly, a postsetal marking in each of VIII(H), IX and X(H,P1) and a presetal marking in IX and XI (H) or X (PI). Female pores small but distinctly visible ante- romedian of a of XIV, about \ aa apart. Sper- mathecal pores 2 pairs, in 7/8 and 8/9, in a lines on small papillae (H), or in a and ab respectively (PI). Fig. 2. Digaster binnaburra sp. nov. Genital field of holotype. For key to abbreviations, see Fig. 9. Some preclitellar septa thickened; 10/11 the thickest, moderately strongly thickened. Dorsal blood vessel single, continuous onto the pharynx. Last hearts in XII, those in X XII latero- oesophageal, each with a connective from the dorsal and the supra-oesophageal vessel. Supra- oesophageal vessel present but extent indetermin- able as it is indistinctly delimited from the roof of the oesophagus. Subneural absent. Oesophagus in V thinwalled but fusiform and glossy and therefore gizzardlike in appearance, hidden by septal glands. Two strong slightly elongate spherical gizzards, each with anterior rim, in VI and VII, separated by a short region of unmodified oesophagus. Oeso- phagus almost suppressed, by backward extension of the gizzards, in VIII and IX; short in X-XII; swollen and vascularized in XIII-XVII, especially in XIV(Pl), XV and XVI(H,P1) in each of which it has a reniform but not separate dilatation on each side which is slightly bilobed owing to a circumfer- ential vessel which arises from the closely adherent dorsal vessel. Parallel sinuous rugae present on the internal wall of the oesophagus in XV and XVI but no true extramural calciferous glands present. Intestinal origin XIX; typhlosole, caeca and mus- cular thickening absent. Nephridia meronephridia: small tufts in II, III and IV sending a common composite duct on each side to the peristomium near the mouth; large tufts in V sending a composite (exonephric) duct to the region of segment II(H,P1) where (PI) it appears to continue to the wall of the pharynx. Thereafter with lateral bands of numerous astomate, exonephric micro- meronephridia. In the anterior intestinal region with 8 such nephridia on each side; caudally with the medianmost nephridium enlarged as an exo- nephric megameronephrium with preseptal funnel. Holandric; gymnorchous (sperm funnels iridescent in X and XI); seminal vesicles racemose, in IX and XII. Prostates racemose, tongue-shaped, that on the left in the holotype consisting of adpressed dorsal and ventral halves; vas deferens joining the short, muscular medianly directed duct at its junction with the gland. Penial setae absent. Metagynous; ovaries, consisting of several strings of oocytes, and funnels in XIII; ovisacs not recognizable. Spermathecae 2 uniform pairs; am- pulla elongate ovoid; duct cylindrical, bearing an iridescent rounded multiloculate diverticulum at its ectal extremity; length of right spermatheca of VIII (H) =1-7 mm; ratio of length spermatheca: length duct = 2-4; ratio of length spermatheca: length diverticulum = 5-8. Remarks: The midventral anterior genital mark- ings which, like the paired markings in the male JAMIESON: GENUS DIG ASTER IN QUEENSLAND 275 TABLE 2: Genital Markings in 18 Specimens of Digas ter binnaburra. Specimen* Total Midventral markings VI Presetal 0 Postsetal P13, 18 2 VII Presetal — 0 Postsetal P12-14, 17-20, 26, 28 9 VIII Presetal P3, 13 14, 17 20, 26 8 Postsetal H, P12-15, 17-20, 26, 28 12 IX Presetal H, P3, 12-15, 17-20, 26-28 13 Postsetal H, PI 5, 12-15, 18-20, 26-28 16 X Presetal Pl-5, 12-15, 17-20, 26-28 16 Postsetal H, PI -5, 12-20, 26-28 18 XI Presetal H, PI 5, 12 15, 17 20, 26-28 17 Postsetal P2-5, 12-20, 26-28 16 XII Presetal P5, 19 2 Postsetal — 0 Paired markings in ab XVIII Postsetal H, Pl^l, 12-13, 16-20, 26 13 XIX Postsetal H, Pl-4, 12-20, 26-28 17 XX Presetal H (left), PI 7, 26 3 Postsetal H, P12-13, 16, 18, 27, 28 7 XXI Presetal P26 1 Postsetal P26 1 *H = Holotype, P = paratype. field, are present in partly mature aclitellate and in clitellate specimens, permit ready diagnosis of D. binnaburra. The postsetal markings in X are constant in the type sample and are almost invariably accompanied by markings postsetally in IX, presetally in X, and pre- and post-setally in XI. Some fusion of presetal and postsetal markings is common. Digaster bradburyi Jamieson, 1970 Digaster bradburyi Jamieson, 1970, pp. 35-40, figs. 1A, 2A-C, 3. The following account is based on Jamieson (1970) and new material, comprising a new sub- species, from Bunya Mountains. 1 = 88-265 mm, w (midclitellar) = 4-10 mm, s = 116-269. Body slender, circular in cross section throughout, pigmentless or pale brown, clitellum pigmented purplish brown. Prostomium epilobous (or sometimes prolobous?). First dorsal pore 8/9, 9/10 or 10/11. Setae in eight longitudinal rows throughout, commencing on II; minute and not, or only sporadically visible in the forebody, con- spicuous on the clitellum owing to pale encircling fields; aa:ab:bc\cd:dd in XII (measured for nom- inate subspecies only) averaging 3-9: 1 :3-3:2-7: 13-5; dd\u — 0-41-0-45; c and d not especially dorsal posteriorly. Nephropores not externally recogniz- able. Clitellum annular, XIII, ^XIII, XIV-XVIII, i, ^XIX (= 5|-6^ segments) but its pigmentation may reach XII XX. Male pores on XVIII in a or ab. Accessory genital markings an approximately oval glandular marking occupying the postsetal portion of XVII and extending over intersegment 17/18 slightly median or slightly lateral of the male pores. One or two pairs of less distinct markings present behind the male pores, in XVIII and/or XIX, or absent. Female pores anteromedian to setae a of XIV. Spermathecal pores 2 pairs, in 7/8 and 8/9, in a lines. Dorsal blood vessel continuous onto the phar- ynx. Last hearts in XII; those in X XII latero- oesophageal, each receiving a connective from the dorsal vessel and from a poorly or well defined supra-oesophageal vessel; subneural vessel absent. Gizzards in VI and VII, not separated by unmodified oesophagus. Extramural calciferous glands absent. Intestinal origin \ (or anterior?) XVIII; typhlosole, caeca and muscular thickening absent. Nephridia meronephridia: tufts in II-VI; those in IV VI, at least, enteronephric. Holandric; testes in X and XI; seminal vesicles racemose, in IX and XII. Ovaries in XIII; ovisacs absent. Prostates 276 MEMOIRS OF THE QUEENSLAND MUSEUM bipartite, in XVIII; penial setae absent though follicles a and b may be present in the male porophores. Spermathecae 2 approximately equi- sized pairs, in VIII and IX, though the ampullae may be displaced into the preceding segment, each with an approximately ovoid ampulla and a well demarcated, dilated duct which is widest slightly ectal of its midlength and bears, at or ental of its widest part, 1 or sometimes 2 bulb-shaped, exter- nally simple diverticula; length of a spermatheca 2- 4-4-0 mm; ratio of length spermatheca: length duct = 1 -9—2-8; ratio of length spermatheca: length diverticulum = 4-9-6-2. Type-Locality: Kholo Creek, near Brisbane (Or 13). Wider Distribution: Bunya Mountains (Nq 2). Digaster bradburyi bradburyi Jamieson, 1970 Figs. 1; 9 A Digaster bradburyi Jamieson, 1970, pp. 35-40, figs. 1A, 2A-C, 3. Material Examined. Or 13, 1 52°51 E. 27°32'S., Kholo Creek at Ugly Gully, E. Bradbury, 10 May 1970, 4 specimens, BM(NH) 1973.10.112-115. For detailed account see Jamieson (1970). Char- acters as for specific description, above, with 1 = 88-140 mm, w (midclitellar) - 4-5 mm. Body, excepting clitellum, pigmentless. Prostomium epi- lobous |4 Clitellum i XIII, XIV XVIII, 4 \ XIX (= 4-6 segments). Male pores in ab. Ac- cessory genital markings a pair of approximately oval, sunken, translucent markings occupying the postsetal portion of XVII and intersegment 17/18 only; slightly median to the male pores. Supra-oesophageal very well developed. In- testinal origin \ XVIII. Nephridial tufts in IV sending a composite duct on each side to the lateral extremity of the mouth; those in V and VI to pharynx behind brain. Ectal portion of spermathe- cal duct dilated and joined entally by diverticulum; length spermatheca = 2 4-3-6 mm; ratio length: length duct = 1 -9-2-8; ratio length: length diverti- culum = 4-9-7- 8. Type-Locality: Kholo Creek, near Brisbane (Or 13). Remarks: Of the above characters, the only significant differences from the second subspecies appear to be the smaller size, perhaps effluence of the tufted nephridia of V and VI into the pharynx and not into the buccal cavity into which those in III- VI discharge in the Bunya specimens, and possibly the unpigmented body. Digaster bradburyi bunyaensis subsp. nov. Figs. 1; 3A; 10C, D; 1 IB. Material Examined: Nq 2, 151°35'E. 26°57 , S., Bunya Mountains National Park, in mixed rainforest at c.1000 metres, B. Jamieson and E. Bradbury, 20 Feb 1971, Holotype (H), QM G8333; Paratype (P) 1, BM(NH) 1973.10.97; P2, QM G8334: P3, Jamieson collection. I = 185 (PI), 265 (H) mm, w (midclitellar) = 8 0 (PI), 9-6 (H) mm, s = 231 (PI), 237 (H). Secondary Fig. 3: A, Digaster bradburyi bunyaensis subsp. nov. Genital field of holotype. B, D. brunneus Spencer, 1900, specimen from Wolvi, BM(NH) 1973.10.105; the clitellum is shown widened owing to dorsal incision. For key to abbreviations, see Fig. 9. JAMIESON: GENUS DIG ASTER IN QUEENSLAND 277 TABLE 3: Imtersetal Distances in Segment XII in Digaster Species Intersetal distance, mm Standardized as % of periphery aa ab be cd dd dc cb ba aa ab be cd dd dc cb ba D. binnaburra Holotype 0-9 0-3 1-3 0-7 3 4 0-7 1-2 0-3 10 1 2-8 14 2 8-5 39-7 8-5 13-4 2-8 Paratype 1 0-8 0-3 1-2 0-8 3-0 0-8 M 0-3 9-3 3-1 14 9 9-9 36-5 9-3 13 6 3-4 Mean 9-7 3-0 14-5 9-2 38-1 8-9 13 5 3-1 Interval/ab 3-3 1-0 4-9 3-1 12-8 3-0 4-5 1-1 D. lumbricoides kondalilla Holotype 1-1 0-3 1-1 0-9 4-2 1-1 1-1 0-4 10-9 31 11-1 9-0 40-8 10-2 11-1 3-9 Interval/ab 3-6 1-0 3-6 2-9 13 3 3-3 3-6 1-3 D. minima Holotype 0-5 0-2 1-3 0-2 1-0 0-2 1-3 0-2 10-8 3-4 26-9 4-0 20-6 4-0 26-9 3-4 Interval/ab 3-2 1-0 7-9 1-2 6-0 1-2 7-9 10 D. nothofagi Holotype 1-3 0-3 1-3 0-7 2-1 0-7 1-3 0-2 16-3 3-4 16-5 9-2 26-4 8-8 16-3. 3-1 Interval/ab 4-8 1-0 4-8 2-7 7-7 2-6 4-8 0-9 D. pseudoperichaeta Holotype 0-8 0-3 1-0 0-3 2-3 0-3 1-3 0-3 12 9 4-0 15 3 4-8 34-5 4-4 19-3 4-8 Paratype 1 11 0-3 1-4 0-4 1-4 0-3 1-5 0-3 15-6 4-7 21-1 6-3 21-1 4-7 21-9 4 7 Mean 14-2 4-4 18-2 5-5 27-8 4-6 20-6 4-8 Interval/ab 3-3 1-0 4-2 1-3 6-4 1-1 4-7 1-1 D. sexpunctata Holotype 1-2 0-4 1-3 0-7 6-8 0-8 H 0-3 9-5 3-0 10-0 5-8 54-1 6-0 9-0 2-5 Paratype 1-2 0-4 1-0 0-8 7-4 0-8 11 0-4 9-2 3-1 7-7 5-8 57-0 5-8 8-2 3-1 Mean 9-4 3-1 8-9 5-8 55-6 5-9 8-6 2-8 Interval/ab 3-1 1-0 2-9 1-9 18-1 1-9 2-8 0-9 annulation strongly developed but not obscuring the primary segmentation. Pigmented pale brown with the clitellum deep purplish brown. Pro- stomium epilobous \, closed (H); or appearing prolobous with lateral borders continued to 1 /2 but not more conspicuous than the numerous longi- tudinal peristomial grooves (PI). First dorsal pore 9/10. Postclitellar setae visible with some difficulty; setae a and b in XVIII represented by two follicles behind each male pore (only a single, left, follicle in PI). Clitellum annular, XIII ^XIX but continued as rosy pigmentation throughout XII and XX; interrupted in bb behind the setal arc of XVII; only intersegmental furrow 13/14 complete; dorsal pores occluded; setae visible. Male pores transverse slits equatorially in XVIII in a , on elliptical porophores. Accessory genital markings a pair of oval unelevated glandular patches pos- teriorly in XVII and apparently extending slightly on to XVIII (intersegmental furrow 17/18 ob- scured) in ab (all specimens), each patch (H) with a whitish laterally papillated border; a further pair of patches presetally in XIX centred in b but in- distinctly delimited; in P2 a pair of glandular depressions situated posteriorly in XVIII and similarly placed in XIX; each slightly extending onto the succeeding segment. Midventral and other accessory genital markings absent. Female pores approximately } aa apart. Spermathecal pores 2 pairs of conspicuous slits in a on small papillae. Septa 8/9-11/12 very thick (6/7, 7/8 and 12/13 moderately strongly thickened). Latero- oesophageal hearts, in X XII, each arising from the dorsal vessel and receiving a slender connective from an imperfectly differentiated supra- oesophageal vessel. Pharynx ending in IV; oeso- phagus narrow in V; gizzards firm but only moderately large, tubular. Oesophagus almost suppressed in VIII by backward extension of the gizzards. Nephridia (H): tufts in II-VI, increasing in size posteriorly to large in VI; those in II apparently (but not certainly) exonephric; those in II-VI enteronephric, sending composite ducts to the anterior region of the buccal cavity. Dense 278 MEMOIRS OF THE QUEENSLAND MUSEUM lateral bands of nephridia on the posterior septum of YII are exonephric by numerous ducts which enter the body wall anteriorly in the segment; nephridia in succeeding segments less numerous, exonephric micromeronephridia on the body wall posteriorly in their segments; nephridia in anterior intestinal segments equatorial on the body wall, approximately 1 0 per side in each segment; caud- ally with a slightly enlarged exonephric megamer- onephridium, with preseptal funnel, median to astomate, exonephric micromeronephridia on each side. Prostate ducts bound by a muscular and fibrous covering, on each side, to the ventral body wall. Spermathecae each with an ovoid though asymmetrical ampulla and a well demarcated broadly fusiform duct which bears dorsolaterally, at its widest point, 1 or (H, right VIII) 2 bulb- shaped diverticula which are externally simple but internally have complex lumina; length of right spermatheca of VIII (H) = 4 0 mm; ratio length: length duct = 2-0; ratio length: length diverticulum = 6 - 2 . Remarks: The large size of the specimens of this taxon and general morphological similarity (in- cluding location of the first dorsal pore in the vicinity of 9/10) to those specimens of D. brunneus which lack transverse genital markings at first suggested their close relationship, if not conspecificity with D. brunneus. However, it differs from D. brunneus but conforms with D. bradburyi, in dilatation of the spermatheca! ducts, holandry, in the bipartite form of the prostates and in the form of the genital markings in 17/18. Though the body size is much greater than that of D. bradburyi, the dimensions and proportions of the spermathecae are strikingly similar, though also similar to those of D. brunneus. Dilatation of the spermathecal ducts and bipartite prostates are also seen in the closely similar D. lumbricoides kondalilla but the latter differs in location of the first dorsal pore in 4/5. It is possible that the Kondalilla specimens are closer to D. bradburyi than to lumbricoides but the uncertainty in this respect is a reflection of the especially close relationship, within the genus, of lumbricoides and bradburyi and, less closely, brunneus and lamington- ensis. The validity of placing bunyaensis in D. brad- buryi as a subspecies in the sense of a geographical race is questionable. The Bunya Mountains are geographically somewhat isolated but whether the Bunya and typical populations could interbreed if in contact is doubtful owing to their great differ- ence in body size. If reproductively and geographi- cally isolated they would have to be considered separate, though very similar (sibling?) species. If, on the other hand, gene exchange is possible through as yet unknown intervening populations, with specimens intermediate in size, the grounds for separation into distinct subspecies or species might be considered lost. Taxonomic recognition of the large mountain forms seems desirable, however, on present evidence and similarities with D. bradburyi warrant inclusion in this species as a distinct subspecies. Digaster brunneus Spencer, 1 900 Figs. 1; 3B; 4A, B; 10E-G; 11C. Digaster brunneus Spencer, 1900, p. 66, pi. 12, figs. 103- 5. Material Examined: No 5, 151 0 53'E. 24°55'S., 10 miles from Gin Gin, in very damp clay soil, Mrs C. C. Wallace, 7 Dec 1969, QM G8325-6. Np 2, 151°35'E. 27°37'S., Burnett River, Gayndah: in loam covered by weeds on river bank, E. Bradbury, 1 1 Mar 1970, BM(NH) 1973.10.98-99; orange orchard on river bank, E. Brad- bury, 11 Mar 1970, BM(NH) 1973.10.100. Nq 1, 151°57'E. 26°94'S., Murgon, in shallow soil, collector and date not known, BM(NH) 1973.10.101. Op 2, 152°0LE. 25°59'S., 5 miles N. ofTansey, on road covered with water, E. Bradbury, 7 Feb 1971, BM(NH) 1973.10.102-104. Op 3, 152°36'E. 25°50'S„ 1 mile south of Bauple, in dry clay soil in grassy area near creek, Mrs C. C. Wallace, 6 Dec 1969, 2 Jamieson collection, QM G8327-31. Oq 2, 152°50'E. 26°10 , S„ Wolvi, C. A. Scarlett, no date, BM(NH) 1973.10.105. The following account is based on two Gayndah specimens, BM(NH) 1973.10.98 and 100, with some additional data from other specimens where indicated. Spencer’s brief account is in agreement except where noted. 1 — 210 H — 430 mm (150 mm, Spencer); w (midclitellar) = 10-11 mm (6 mm, Spencer); s = 161 H — 397 (Specimen 98 is a posterior amputee). Form slender, circular in cross section throughout; secondary annulation strongly developed, obscur- ing the primary segmentation. Pigmentless in alcohol excepting the pale chocolate-brown clitel- lum. Prostomium prolobous; peristomium with numerous longitudinal grooves. First dorsal pore 10/11 (with a rudiment at 9/10, specimen 100) or 11/12 (specimen 98); location not given by Spencer. Setae minute, only sporadically visible; a and b absent in XVIII. Nephropores not recognizable. Clitellum annular, fXIII(?), XIII-XIX; interrupted ventrally between and behind the male pores; intersegmental furrows weakened and laterally interrupted and other annulations well marked; dorsal pores faint; setae not visible. Male pores transverse slits equatorially in ab of XVIII, on elliptical porophores. Accessory genital markings JAMIESON: GENUS DIG ASTER IN QUEENSLAND 279 in 7 specimens (2 from No 5, 2 from Np 2 and 3 from Op 3): unpaired, midventral transverse pads in intersegments 12/13 (4 Gayndah specimens); 13/14 (7 specimens); 14/15, 15/16 and 16/17, with a similar pad posteriorly in XVII and a callus-like pad posterior to and confluent with each male porophore and crossed near its posterior border by intersegmental furrow 18/19 (6 specimens). Trans- verse unpaired equatorial pads illustrated in XVII, XIX and (partial) in XX by Spencer. Female pores only slightly anterior of the equator of XIV, almost contiguous medianly (specimen 98) or well sep- arated though median to a (specimen 100). Sper- mathecal pores 2 pairs of stellate apertures, each on a small rounded tubercle, in 7/8 and 8/9, in ab approximately; seen to lie nearer a than b in specimen 1 00 where ventral setal couples are here visible; (apparently in a lines, Spencer). Septa 4/5 1 1/12 very thick (12/13 moderately strongly thickened). Dorsal blood vessel single, continuous onto the pharynx. Last hearts in XIII (or XII according to Spencer and in a specimen from Op 3 examined); hearts in X posteriorly latero-oesophageal, each arising from the dorsal vessel and receiving a connective from a thin supraoesophageal vessel. Commissurals in V-IX valvular, like the latero-oesophageal hearts, but differing from the latter in being dorsoventral only and in giving off a lateral branch shortly before joining the ventral vessel. Subneural vessel absent. Racemose, fatbody-like masses present in XIII and XIV lateral of the dorsal vessel in XIII and XIV (specimen 98 only). Pharynx ending in IV; oeso- phagus in V dilated but thinwalled; gizzards, in VI and VII, large, globose, thin-walled anteriorly, the musculature thick only in the posterior half; closely abutting; not separated by unmodified oeso- phagus. Oesophagus wide, moniliform and very thin-walled in VIII-XVI; narrow in XVII; lacking calciferous glands but more vascularized in Fig. 4: Digaster brunneus Spencer, 1900, Gayndah specimen, BM(NH) 1973.10.98. A, Spermathecal field; B, Male genital field. For key to abbreviations, see Fig. 9. 280 MEMOIRS OF THE QUEENSLAND MUSEUM XII-XVI than elsewhere. Intestine originating in XVIII but not greatly widening until XIX; typh- losole, caeca and muscular thickening absent. Nephridia meronephridia: tufts in II, III and IV, increasing in size posteriorly to very large in IV, adherent dorsally and laterally to the pharynx (specimens 98 and 100). The tufts in IV divisible into a dorsolateral mass discharging by several ducts directly into the pharynx and by composite ducts directly into the pharynx in III and a dorsal mass sending a composite duct forward to the wall of the buccal cavity in II (specimen 100). Thick bands of nephridia on the posterior septa of V and VI show no close association with the gut and from their peripheral position, near the body wall, may be exonephric; parietes lacking nephridia in V and VI except where a few nephridia impinge on the body wall near the septum in VI. Scattered parietal and septal exonephric micromeronephridia in VII. Nephridia in VIII XI (specimen 98) or -XII (specimen 100) on the posterior septum and adjacent parietes with ventral aggregations; thereafter with numerous minute exonephric mic- romeronephridia scattered on the parietes. Caud- ally with numerous moderately large astomate micromeronephridia on each side all of which, in a segment, discharge into a common transverse duct which is traceable to the midline below the intestine, though enteronephry, if present, is not demonstrable; the medianmost nephridium en- larged as a stomate megameronephridium with preseptal funnel (specimen 100). Metandric (sperm funnels iridescent in XI); seminal vesicles racemose, in XII only. Metagynous, bushy ovaries, and funnels, in XIII; ovisacs not observable. Prostates racemose, not bipartite, restricted to XVIII the medianly directed duct weakly developed so that, in specimen 100 especially, the gland is almost sessile on the body wall. Penial setae absent. Spermathecae 2 uniform pairs, each with an elongate ovoid ampulla reflexed on or in line with the externally poorly differentiated slightly shorter, thicker walled duct; the duct bearing a rounded multiloculate diverticulum dorsolaterally near its ectal extremity (A very small double diverticulum reported by Spencer). Length of right spermatheca of IX = 4- 0-6- 2 mm; ratio length spermatheca: length duct = 2- 5-2-8; ratio length spermatheca: length diverticulum = 5-3 5-9. Type-Locality: Gayndah (Np 2). Remarks: An extensive search of the Gayndah area, the type-locality, has yielded only one species which could be identified with D. brunneus, though, owing to the brevity of the type-description and loss of the types (Jenz and Smith, 1969), the identification cannot be entirely certain. Spencer did not mention accessory genital markings but transverse pads are illustrated on the clitellum, on which they occur in the new material from Gayndah. The latter material agrees closely with Spencer’s account in other respects including metandry which is known elsewhere in the genus only in the allopatric D. longmani. The distribution of the genital marking noted by Spencer, segmental in XVII, XIX and XX, differs from that in the new material in which markings are not present in XIX and XX and in which those anterior to the one in XVII are intersegmental but the fact that Spencer did not mention the markings in the text suggests that they were not closely observed and might have been overlooked anteriorly to XVII. Transverse genital markings are absent from material from Murgon (Nq 1), Tansey (Op2) and Wolvi (Oq 2) which is here identified with D. brunneus on general anatomy and this variation suggests that absence of markings anteriorly to XVII in the types, if real, would not necessarily exclude the new Gayndah material from the species. The specimens lacking transverse markings, although listed in ‘Material Examined’ above, have been excluded from the specific description pending further elucidation of their status. All are metandric with dorsal pores in 9/10-10/11, as in the new Gayndah material; hearts are in XII (Wolvi) or XIII (Tansey); and the spermathecal ducts are narrow, not dilated. Lengths vary from 1 52 250 mm, and widths from 6-9 mm. The specimens from Bauple (with transverse pads) have a suggestion of a genital marking on each side of the transverse pad in XVII and the male porophore has a callus-like extension into XVII and XIX. This extension supports identity with the Wolvi material which is illustrated in Fig. 3B. Identity of the new material listed above with the similarly metandric D. longmani is ruled out on the grounds that in D. longmani the transverse genital markings are preclitellar and the first dorsal pore is more anterior. Digaster gwongorellae Jamieson, 1972 Figs. 1; 9E Digaster g\vongorellae Jamieson, 1972, pp. 261^4, figs. 1A-C. Material Examined: Ps 4, 153°11'E. 28°2LS., Binna Burra, Lamington National Park, in rainforest, B. Jamieson and E. Bradbury, 24 Mar 1971. QM G8332, BM(NH) 1973.10.106. 1 > 1 10 and 75 mm (specimens 1 and 2, posterior amputees) w (midclitellar) = 5 mm, s = ? JAMIESON: GENUS DIGASTER IN QUEENSLAND 281 Prostomium tanylobous. First dorsal pore 5/6 faint but perforate; larger but inconspicuous from 6/7. Clitellum annular, \ XIII-|XIX but circumscribed by deep furrows at 13/14 and 18/19 (extent XIV-X-VIII in syntypes). Setae in 8 regular longitu- dinal rows. Setae a and b absent in XVIII. Male genital field an almost circular though transversely somewhat widened flat topped conspicuous pad in XVIII extending almost to the setal arcs of XVII and XIX and laterally almost to c lines; no median porelike marking present on this pad. In both specimens two minute white points are included within the margin of the pad at a and b on each side. That in b is the larger and has been taken (Jamieson, 1972) to be the male pore but the two markings are possibly the follicles of the absent setae a and b for, as noted in the type-description, the prostate ducts enter the body wall internally in a lines. The muscular ducts are straight and converge medianly so that it is possible that the male pores are shortly median of a lines (specimen 1). In specimen 2 the genital pad is narrower longitudinally and is depressed medianly so that an impression of a pair of medianly conjoined papillae is produced. Female pore moderately conspicuous, mid ventral and presetal in XIV. Spermathecal pores 2 inconspicuous pairs, in 7/8 and 8/9 very slightly lateral of a lines (in a lines in the types). Last hearts in XII. Gizzards in VI and VII. Calciferous glands absent. Intestine commencing in XVIII but pushing septum 17/18 forwards so as to appear to commence in XVII. Meronephric. Holandric (sperm funnels iridescent in X and XI); gymnorchous; seminal vesicles racemose, in IX and XII. Prostates restricted to but expanding XVIII, rounded tongue shaped with a deep lateral incision but (unlike the type-specimens) not bipartite. Penial setae absent. Metagynous; ovisacs absent. Spermathecae 2 pairs, in VIII and IX; each with elongate-ovoid ampulla, a slightly shorter well demarcated duct and ectally a multiloculate diver- ticulum as in the types, (specimen 1). Type-Locality: Gwongorella National Park (Ps 5). Remarks: The above brief description confirms identity of this material with the type-series, agreeing with the type-description in almost all respects. The greater extent of the clitellum is attributable to the very mature condition of the new material and inclusion of the points (male pores?) at b in XVIII on the protuberant genital marking and not, as in the holotype, on each side of it with an encircling rim, is ascribable to greater elevation of the marking. The very slightly more lateral position of the spermathecal pores and the form of the prostate glands in the new material are very minor differences. Digaster longmani Boardman, 1932 Digaster longmani Boardman, 1932, pp. 125-7, fig. 1. Jamieson, 1963, pp. 101-5, fig. 5. The following account is abstracted from the type description and that of Jamieson, 1963. Some features of a specimen from Stradbroke Island, Queensland, which is tentatively identified with D. longmani, are appended to the account. 1 -■ 520-1025 mm, w (preclitellar) — 20-25 mm, s = 309-382. Body (pigmented?) brown; clitellum darkbrown . Prostomium zygolobous, prolobous or proepilobous. First dorsal pore 5/6, or sometimes 6/7. Setae 8 per segment, difficult to discern or only sporadically visible; typically, in the forebody, aa:ab:bc:cd = 4:1:3: 1-7; dd:u > 0-5; means in the Kyogle specimens, in IX, cd:ab = 1-6 (L3-1-8); bc.aa = 0-4 (0-4— 0-5); dd:u = 0-7 (0-7-0-8). Clitellum annular, } XIII, a XIII, XIV to XVIII , i XIX-^XIX (= 5-6 segments). Male pores equatorial or just presetal in XVIII, in ab, from a to b. Accessory genital markings if present, a post- setal, unpaired midventral transverse strip extend- ing laterally to y be in each of segments VIII-XII. Female pores presetal in XIV, transversely or diagonally placed. Spermathecal pores 2 pairs, at anterior borders of VIII and IX or 2 or 3 pairs in 6/7 to 8/9, in or just dorsal of a. Last hearts in XII or, typically, XIII. Gizzards in VI and VII; calciferous glands absent (an unpaired, dorsal oesophageal structure reported as a gland in the holotype was probably a fixation artefact). Intestinal origin XVIII. Nephridia meronephridia; septal bands present but no definite tufts observed; caudally with a median (stomate?) megamero- nephridium on each side. Metandric; gymnor- chous; seminal vesicles in XII only. Prostates racemose, tongue-shaped or discoidal, incised but unipartite in XVIII. penial setae absent. Met- agynous; ovisacs unknown. Spermatheca 2 or 3 pairs, tubular to tapering sacciform with the ectal portion forming a porrly demarcated duct; diverti- culum typically single, elongate-ovoid, obliquely placed near the pore, extending almost across the flattened side of the duct, containing several sperm masses; duct also bearing 1 or 2 conspicuous obliquely placed sacculations at midlength; if 2, on opposite sides and convergent ectally; the pair of sacculations the only diverticula in the Kyogle specimens. Type-Locality: Tamborine Mountain, South Queensland (Pr. 9). 282 MEMOIRS OF THE QUEENSLAND MUSEUM Wider Distribution: near Oaky Creek, Rich- mond Range State Forest, and near Kyogle, New South Wales. Stradbroke Island Specimen Material Examined: Pr5, 153°25'E. 27°30 / S., Strad- broke Island, in deep sand, V. Pattemore, 13 Aug 1971, BM(NH) 1973.10.107. Postclitellar amputee with w (midclitellar) = 8 mm. Pigmentless in alcohol excepting light brown clitellum. Prostomium prolobous but peristomium much grooved. First dorsal pore 5/6. Setae 8 per segment; dorsal couples varying significantly in width and ventral couples slightly irregular, in the forebody; both couples very irregular in width behind the clitellum. Clitellum annular, dorsally XIII XX. Male pores transverse slits in a, po- rophores not developed. Accessory genital mark- ings very faint transverse pads filling the posterior annulus, and including the setal arc, in IX, X, XI and XII. Female pores not certainly recognisable, possibly unpaired. Spermathecal pores 2 pairs, in 7/8 and 8/9, in a. Last hearts in XII. Gizzards in VI and VII; calciferous glands absent. Intestinal origin(?) Meronephric. Holandric; gymnorchous; seminal vesicles in XI and XII. Prostates racemose, tongue- shaped, unipartite. penial setae absent. Met- agynous. Spermathecae 2 pairs, duct tapering; ?diverticulum single, small and caplike on the ectal end of the duct. Remarks: Typical specimens of D. longmani are distinguished from the only other metandric spec- ies in the genus D. brunheus, by location of the first dorsal pore in 5/6 or 6/7 (not 9/10-11/12), location of transverse accessory genital markings segmen- tally in the region of VIII-XII (not in- tersegmentally in 12/13-16/17) and in possessing an elongate diverticulum sessile over its length or a pair on each side of the duct (not rounded and multiloculate or small and double). Conspecificity of the material from the environs of Kyogle, in New South Wales, with D. longmani is not entirely certain as it lacks accessory genital markings and has spermathecal diverticula restricted to the pair of convergent sacculations reported, in addition to a diverticulum, by Boardman but erection of a separate species for its reception is not warranted on present evidence. The identity of the single Stradbroke Island specimen with D. longmani is based primarily on the large body size and presence of segmental preclitellar bands which are so faint that positive recognition of them as accessory genital markings must await discovery of further material. The holandric gonads are otherwise un- known in D. longmani though known in D. bradburyi bunyaensis, a subspecies of large worms of closely similar morphology. The Stradbroke Island specimen can be excluded from D. brad- buryi, however, because the latter has its first dorsal pore in 9/10, bipartite prostate glands and dilated spermathecal ducts. The brunneus-longmani com- plex and its relationships with D. lumbricoides kondalilla requires further elucidation. Digaster lumbricoides Perrier, 1872 Digas ter lumbricoides Perrier, 1872, pp. 94-96, pi. 1, fig. 24, pi. 4, figs. 64, 65. Fletcher, 1887, pp. 559-60; 1889, pp. 1531 2. Beddard, 1895, p. 485. Michaelsen, 1900, p. 197. Jamieson, 1971b, pp. 1303-6, figs. 1, I-K. The following account is based on the rede- scription of the type-specimens by Jamieson, 1971b and on new material, comprising a new subspecies, from Kondalilla. 1 = 82 mm, w (midclitellar) = 3-3— 3-5 mm, s = 158. Form moderately stout, circular in cross section throughout; pigmentless buff in alcohol. Prostomium prolobous. First dorsal pore 4/5 but may not be perforate until 5/6 or 6/7. Setae small, in 8 regular longitudinal rows, commencing in II; setae a and b present or absent on the segment bearing the male pores; aa:ab:bc:cd:dd in XII averaging 2-3 3-6: 1:3 6-4 2: 1 -8-3-3: 1 2-6-13-3; dcku = 0-40-0-48; c and d not especially dorsal pos- teriorly. Clitellum annular, typically XII-4XVII. Male pores on XVII or XVIII in ab or b in an approximately rectangular tumid field which ex- tends to the equators of the adjacent anterior and posterior segment, an oval glandular genital mark- ing located near each corner of the field, posteriorly in XVI and anteriorly in XVIII (where male pores are in XVII) or at intersegments 17/18 and 18/19 (where male pores are in XVIII). Female pores shortly anteromedian of setae a of XIII or XIV. Spermathecal pores 2 pairs, in 6/7 and 7/8, or 7/8 and 8/9, in a or ab. Dorsal blood vessel single, continuous onto the pharynx. Last hearts in XI or XII; the last 3 pairs latero-oesophageal, each receiving a connective from the dorsal vessel and from the roof of the oesophagus, no discrete supra-oesophageal vessel being recognisable. Subneural vessel absent. Giz- zards in V and VI or VI and VII, intervening unmodified oesophagus short or inappreciable; calciferous glands absent though the oesophagus is dilated and vascularized in some of the segments XIII-XVI; intestinal origin \ XVI or XVIII; typhlosole, muscular thickening and caeca absent. Nephridia meronephridia, enteronephry not obser- JAMIESON: GENUS DIG ASTER IN QUEENSLAND 283 ved; caudally with a stomate megameronephridium on each side median to astomate micromero- nephridia. Holandric; gymnorchous; seminal ves- icles racemose in X and XI or XI and XII, accompanied below the oesophagus in XI or in XI and XII by an unpaired seminal vesicle. Prostates racemose unipartite or bipartite. Penial setae absent. Ovaries in XIII (or XII?); ovisacs unknown, Spermathecae 2 uniform pairs; duct cylindrical with small subspherical ectal diverticulum or duct pyriform, ectally widening, with a small rounded more or less bifid diverticulum on the ectal dilatation; length of a spermatheca 2-2— 3-9 mm, ratio of length spermatheca: length duct = 1-6-2-0; ratio length spermatheca: length diverticulum = 5-3-7 9. Type-Locality: Port Macquarie, New South Wales. Wider Distribution: Kondalilla National Park, Queensland (Oq 8). Digaster lumbricoides lumbricoides Perrier, 1872 Figs. 1; 9F For detailed account see Jamieson, 1971b. Characters as for specific description, above, with: 1 = 82 mm, w (midclitellar) = 3-3 mm, s = 158. In XII, aa:ab:bc:cd:dd averaging 2-3:1 :4-2:l -8: 12-6; dd:u = 0-40-0-48. Male pores in XVII, in ab; paired genital markings posteriorly in XVI and anteriorly in XVIII, in and lateral o( b lines. Spermathecal pores in 6/7 and 7/8 in ab. Septa 6/7 or 7/8 the thickest, strongly thickened. Last hearts in XI. Gizzards in V and VI; intestinal origin \ XVI. Seminal vesicles in X and XI, accompanied below the oesophagus in XI by an unpaired seminal vesicle. Prostate glands uni- partite. Spermathecae each with a subspherical ampulla and a wide cylindrical duct; diverticulum ectal on the duct; length of a spermatheca 2-2 mm, ratio of lengthdength duct = 1-6; ratio of lengthdength diverticulum = 5-3. Type- Locality: Port Macquarie, New South Wales. Digaster lumbricoides kondalilla subsp. nov. Figs. 1; 5A, B; 10H, I; 11D Material Examined: Oq 8, 150 o 50'E. 26°40'S., Kondalilla National Park, in black soil under boulder on creek bank, in rainforest, T. Walker, 2 Jun 1972, Holotype, QM G7396. 1 = 60+ mm (posterior amputee at 71st. segment), w (XV) = 3-5 mm. Peristomium with several dorsal longitudinal grooves though not grooved ventrally. First dorsal pore 4/5. Setae small but distinctly visible; setae a and b persisting in XVIII in the vicinity of the male pores. Clitellum not developed. Male pores transverse slits in XVIII shortly anterior to setae b, each on a low oval tumescence which bears setae a and b; the male porophores preceded at 17/18 and succeeded at 18/19 by a pair of oval glandular areas, in ab, each of the posterior areas accompanied by and partly continuous with a similar glandular marking lateral of b lines in the same intersegment. The male porophores and these genital markings lying in an approximately tumid quadrangular field which extends to the setal arcs of segments XVII and XIX and laterally almost to c lines. Female pores shortly anteromedian of setae a of XIV on a common transverse presetal protrusion. Sper- mathecal pores 2 pairs of partially concealed transverse slits at the anterior limit of small knoblike swellings, in 7/8 and 8/9, centred in a lines. Septa 8/9-11/12, the thickest, strongly thick- ened. Last hearts in XII; those in XII (and X-XI?) latero-oesophageal. Pharynx ending in IV; in V the oesophagus is dilated and gizzard-like in ap- pearance though not thickwalled and little more than half the diameter of the gizzards. Gizzards large and firm, in VI and VII; globose though with an anterior rim which is weakly developed in the posterior but is well developed in the anterior gizzard; the gizzards filling their segments; and not separated by an appreciable length of unmodified oesophagus though the oesophagus is narrowly constricted between them. Oesophagus longitu- dinally constricted and lacking special modi- fication in IX-XIII; in each of XIV, XV and XVI dilated and vascularized, with a pair of circumferential vessels which join the dorsal vessel, and internally with many high clavate villi; slender in XVII and XVIII. Intestinal origin XIX. Neph- ridia in IV VI aggregated into loose tufts; no enteronephry demonstrated but certain elucidation of the excretory system not feasible as preservation unsatisfactory; in the anterior intestinal region with seven astomate exonephric parietal micromero- nephridia on each side from setal line a to above d and an aggregation of similar but smaller nephridia median to a\ these median aggregations not present further posteriorly. No stomate nephridia detect- able anterior to the amputation. Sperm funnels iridescent in X and XI; small paired seminal vesicles racemose in XI and XII, accompanied below the eosophagus by a large unpaired racemose seminal vesicle in each segment. Prostate glands large but restricted to XVIII, racemose and bipartite, the muscular duct branching entally to the two major lobes, then the branches in turn showing limited 284 MEMOIRS OF THE QUEENSLAND MUSEUM Fig. 5: Digaster lumbricoides kondalilla subsp. nov. A, Spermathecal field: B, Male genital field of holotype. For key to abbreviations, see Fig. 9. branching; the branching visible when the prostatic lobes are separated. Penial setae absent, though a and b follicles are ekternally visible. Ovaries (diffuse webs with small oocytes) and funnels in XIII. Spermathecae each with an ovoid-sacciform am- pulla and an elongate pearshaped, ectally widening duct of similar length which bears a small rounded sessile more or less distinctly bifid (iridescent) diverticulum dorsally on the ectal dilatation; length of right spermatheca of VIII = 3-9 mm; ratio of length spermatheca: length duct = 2 0; ratio of length spermatheca: length diverticulum = 7-9. Remarks: Digaster lumbricoides, the type-species of the genus was previously known only from material collected at Port Macquarie in 1846 (Jamieson, 1971b). Although erection of a new subspecies on a single specimen is undesirable, it is preferable to total identification of this distinctive specimen with D. lumbricoides as represented by the earlier material. Some differences from the nominate subspecies are: location of male pores on XVIII; origin of the intestine in XIX (not \ XVI); the more strongly bipartite condition of the prostates and (significantly?) the ectal widening of the spermathecal ducts; location of the male pores in b and of spermathecal pores in a lines, rather than ab, and the intersegmental, not postsetal location of the genital markings with lateral duplication of the posterior markings. These are minor differences of doubtful importance. Dilatation of the spermathecal ducts and the bipartite form of the prostate glands are shared with D. bradburyi with which affinities are close. On the other hand, the quadrangular raised genital field with genital markings on the corners, post- testicular paired and median seminal vesicles and anterior dorsal pores strongly indicate conspecificity with D. lumbricoides . It is possible that D. bradburyi consists of populations of the earlier named D. lumbricoides but elucidation of the lumbricoides-bradburyi complex and of re- lationships of these with D. brunneus and D. longmani requires further studies of morphology and reproductive isolation of the constituent populations. JAMIESON: GENUS DIG ASTER IN QUEENSLAND 285 Digaster minima sp. nov. Figs. 6A; 10J; Table 3 Material Examined: Or 7, 152°47'E. 27°23'S., Mt. Nebo Road, Mt. Nebo, Queensland, in loamy soil in gully in eucalypt area, E. Bradbury, 12 Jun 1970, Holotype (H) QM G7397, Paratypes (P) 2, 3, QM G7398 9. PI, BM(NH) 1973.10.108. 1 mile from Mt. Nebo on road, E. Bradbury, 10 Aug 1970, P4, BM(NH) 1973.10.109. 1 = ? (H, posterior amputee), 28 (PI), 41 (P2) mm, w (midclitellar) = 1- 7 mm, s = 122 (P2). Form slender, circular in cross section; pigmentless in alcohol. Prostomium proepilobous, slightly (PI, 2) to f peristomium (H), peristomium with or without slight dorsal furrows. First dorsal pore 9/10 (FI, PI , 2) with possibly some imperforate preceding this. Setae visible with difficulty anteriorly where they lie in 8 longitudinal rows, commencing on II; shortly behind the clitellum they are recognisable only with the greatest difficulty until in the last approxi- mately 30 caudal segments where the dorsal pair on each side is enlarged and is shifted dorsally so that the 4 setae cd are approximately equidistant from each other; c and d are also displaced dorsally in anterior segments though not so markedly; setae a and b absent in XVIII. Clitellum annular, XIV fXVIII; (H, P2) setae visible; dorsal pores obliterated; intersegmental pores represented only ventrally. Male pores in longitudinal crescentic grooves equatorially in ab of XVIII on broad, low, medianly widely conjoined (H) or just contiguous porophores (PI, 2) which almost reach the setal arcs of XVII and XIX or (PI, 2) are less extensive. Accessory genital markings midventral unpaired circular segmental papillae with porelike centres in each of segments XII and XIII and XX-XXIV (H). A paired marking sometimes present in the setal arc and bearing setae ab on its posterior aspect in X (PI, unilateral left only; P2, 4 bilateral). Median marking in XII (PI, 3, 4), XIII (Pl-4); XV (P2, 4); XVI (P4); XIX (P2, 3); XX and XXI (Pl-4) and XXII (P2, 3). Female pores a pair shortly ante- romedian of setae a of XIV. Spermathecal pores 2 pairs, near the anterior margins of VIII and IX in ab , nearer a (H) or in a lines, on small rounded papillae. Septa 6/7 and 7/8 the strongest, those to 10/11 moderately strong. Dorsal blood vessel single, continuous ontojfie pharynx. Last hearts in XII. Pharynx ending in IV; oesophagus wide and thinwalled in V; gizzards well developed, globose, not separated by unmodified oesophagus but a narrow anterior part of the posterior gizzard relatively unthickened. Calciferous glands absent. Origin of intestine indefinite, apparently \ XVII in PI; caeca and muscular thickening absent; definite typhlosole absent but a very low dorsal ridge present from approximately XXIV posteriorly. Meronephric: no tufts present; nephridia few micromeronephridia; in the anterior intestinal region 3 on each side in longitudinal rows, one row in ab, the second at mid be, the third in cd. Metandric; sperm funnels strongly iridescent in XI; gymnorchous; seminal vesicles racemose in XII (H, PI) a spermatheca-like iridescent sac (accessory seminal vesicle?) extends below the gut from septum 12/13 into XIII (H only). Metagynous; ovaries flattened laminae with numerous oocytes in XIII; ovisacs absent. Prostates racemose, squarish bifid lobes, occupying about four segments; vas deferens joining the muscular anteromedianly directed duct at its junction with the gland. Penial setae absent. Spermathecae 2 uniform pairs, each with ovoid ampulla and well demarcated fairly slender duct; a single (inseminated) subspherical diverticulum joining the duct by a narrow very short stalk at midlength; the diverticulum exter- nally simple but with several internal sperm masses; length of right sperma theca of IX (H) = 1-7 mm; ratio of length spermatheca: length duct = 1-8; ratio of length spermatheca: length diverticulum = 5-6. Remarks: Only D. pseudoperichaeta shares with D. minima the extreme dorsal displacement of the dorsal setal couples in caudal segments. Both have the metandric condition of the male gonads seen elsewhere in the genus only in D. brunneus and D. longmani. It appears likely that the two species are more closely related one to the other than to other species. They are clearly interdistinguishable by the male genital fields. D. minima is the smallest known species of Digaster. Digaster nothofagi sp. nov. Figs. 1; 6B; 10K; 1 IF; Table 3 Material Examined: Ps 5, 153°17'E. 28°13 , S., Springbrook, Best of All Lookout, under Nothofagus (Antarctic beeches), B. Jamieson and E. Bradbury, 22 Apr 1971, Holotype, QM G7400. 1 = 81 mm, w (midclitellar) - 5-2 mm, s = 196. Form moderately stout, circular in cross section; pigmentless buff in alcohol. Prostomium epilobous f open, dorsally bisected by a longitudinal groove. Peristomium with numerous faint longitudinal grooves but not bisected. First dorsal pore 4/5. Setae small but visible, in 8 regular longitudinal rows throughout, commencing on II. Setae a and b absent. Nephropores not externally recognisable. Clitel- lum hardly appreciable externally but seen from the 286 MEMOIRS OF THE QUEENSLAND MUSEUM dorsal incision to extend from XIV XVII with some very weak development in the adjacent halves of XIII and XVIII; apparently annular. Male pores minute, in ab of XVIII, on small papillae. Ac- cessory genital markings: an unpaired midventral papilla posteriorly in IX, X and XVII and in 18/19, 19/20 and 20/21, all well within aa excepting that in IX which extends laterally into ab ; paired papillae postsetal in ab in XVII and lateral to b in XVIII; segments VII and VIII with an indistinct tumid band postsetally connecting the spermathecal pores. Female pore unpaired, presetal in XIV. Spermathecal pores 2 pairs in 7/8 and 8/9, immediately lateral to a lines on minute papillae. Septa 6/7-10/11 strongly thickened. Dorsal blood vessel single, continuous onto the pharynx. Last hearts in XII; those in X-XII latero- oesophageal, taking their main origin from the supra-oesophageal vessel but with very slender connectives from the dorsal vessel. Supra- Fig. 6: A, Digaster minima sp. nov. Genital field of holotype.B, D. nothofagi sp. nov. Genital field of holotype. For key to abbreviations, see Fig. 9. JAMIESON: GENUS DIGASTER IN QUEENSLAND 287 oesophageal ill-defined, limits indeterminable. Subneural vessel absent. Oesophagus in V slightly dilated, thin-walled, hidden by septal glands. Two strong subspherical gizzards with slightly develop- ed anterior rims, in VI and VII, the oesophagus between them strongly constricted but very short. Oesophagus almost suppressed, by backward extension of the gizzards, in VIII and IX; short and simple in X XIII; swollen and vascularized in XIV-XVII, where a paired circumferential vessel joins the dorsal vessel, with low, sinuous internal rugae especially dilated in XV and XVI; oeso- phagus narrow in XVIII. Intestinal origin XIX; typhlosole, caeca and muscular thickening absent. Nephridia meronephridia: masses of spiral loops in IV, V, VI and VII, on the posterior septa of these segments, those in V-VII apparently but not certainly exonephric, those in IV with connections to the pharynx which may be ducts. Sparse lateral parietal bands of exonephric micromeronephridia in II and III and in VIII posteriorly; in the anterior intestinal region 8 or 9 on each side and a small group median to these; caudally with the median- most nephridium enlarged as an exonephric mega- meronephridium with preseptal funnel. Holan- dric, gymnorchous (sperm funnels iridescent in X and XI); seminal vesicles racemose, in IX and XII. Prostates racemose, tongue-shaped, each entally divisible into a dorsal and a ventral lobe; vas deferens joining the straight medianly directed muscular duct near its junction with the gland. Metagynous (ovaries not seen; oviducal funnels in XIII); ovisacs absent. Spermathecae 2 uniform pairs; ampulla elongate ovoid; duct cylindrical bearing an iridescent multiloculate diverticulum near its ectal extremity; length of right spermatheca of IX = 2-6 mm; ratio of length sperma- theca: length duct = 2-6; ratio of length sper- matheca: length diverticulum = 41. Remarks: D. nothofagi, from a spur on the escarpment of the Macpherson Range, closely resembles D. binnaburra from neighbouring parts of the same range. The two taxa are clearly distinguished by the genital fields which are sufficiently different to suggest reproductive iso- lation, one from the other. Digaster pseudoperichaeta sp. nov. Figs. 1; 7; 10L; 11G; Table 3 Material Examined: Or 4, 152°59'E. 27°16'S., Y.M.C.A. Camp Warrawee, near Petrie, in sandy loam under Catospermum in riverine vine forest, B. Jamieson, 17 Feb 1969, Holotype (H) QM G7401, Paratypes (P) 2, 3 QM G7402-3, PI, BM(NH) 1973.10.110. Fig. 7: Digaster pseudoperichaeta sp. nov. Genital field of holotype. For key to abbreviations, see Fig. 9. 1 = 36 (PI )— 45 mm(H), w (midclitellar) = 2-7 (PI) 3-3(H) mm, s = ? (not countable owing to maceration). Form circular in cross section, mod- erately slender. Pigmentless in alcohol. Pro- stomium epilobous t, open, faintly canaliculate. Dorsal pores minute, commencement indetermin- able. Setae commencing on II, in 8 regular longitudinal rows throughout but the dorsal coup- les (cd) caudally moving to a dorsal situation so that by approximately 15 (PI) or 25(H) segments from the posterior end the four setae of the two dorsal couples are equispaced, and are large and readily seen, whereas the more anterior setae, and all ventral couples, are minute and inconspicuous. Setae a and b absent in XVIII. Clitellum annular, XIV ^XVII well developed and protuberant; setae visible, dorsal pores occluded; intersegmental furrows almost obscured. Male pores a pair of transverse slits in ab on low whitish porophores which fill the segment longitudinally. Accessory genital markings: a midventral transverse, strongly protuberant pad occupying the anterior two thirds of X and extending laterally beyond b; a further 288 MEMOIRS OF THE QUEENSLAND MUSEUM midventral pad anterior to but overlapping the setal arc of XVI and XVII, anteriorly impinging very slightly on the preceding segment, and extend- ing laterally to a and ab respectively; and a pair of white tumescences on XIX anterior to the ventral setal couples which latter are themselves on a white glandular transverse ridge on each side (H, PI -3). Spermathecal pores 2 pairs, near the anterior borders of VIII and IX, in ab on circular pro- minences: Septa 6/7 and 7/8 the thickest, strongly thick- ened. Dorsal blood vessel single, continuous onto the pharynx. Last hearts in XII (vascular system macerated). Oesophagus wide and very thin walled in V; two relatively very large, strong, globular gizzards, in VI and VII, separated by a deep constriction where the oesophagus is unthickened though of negligible length. Oesophagus suppressed by backward ex- tension of the gizzards in VIII; moniliform and vascularized but lacking calciferous glands, in IX-XII; narrowly tubular and sinuous in XIII-XVII; intestinal origin XV111; typhlosole, caeca and muscular thickening absent. Mero- nephric, with a few rows of fairly large mero- nephridia on each side in the oesophageal and intestinal regions of which the medianmost neph- ridium in caudal segments has a preseptal funnel but is not appreciably enlarged; nephridia in pharyngeal and buccal segments more numerous but no tufts detectable. Metandric (sperm funnels, iridescent, XI); gymnorchous; seminal vesicles racemose in XII only. Metagynous (ovaries with several chains of large oocytes); ovisacs absent. Prostates racemose, tongue-shaped but entally bifid; restricted to XVIII; vas deferens joining the junction of the gland with the short muscular duct. Penial setae absent. Spermathecae 2 uniform pairs, ampulla very slender and elongate, almost tubular, lacking a distinct duct though the widened ectal fourth may be considered one; diverticulum (in- seminated) consisting of several distinct loculi, sessile near its ectal limit; length of right sper- matheca of IX (H) = 2-27 mm; ratio of length spermatheca: length diverticulum = 4- 1 . Remarks: D. pseudoperichaeta is closest to D. minima from which it is distinguished on p. 285. Digaster sexpunctata sp. nov. Figs. 1; 8; 10M; 11H; Table 3. Material Examined: Ps 6, 153°27'E. 28°05'S., 2 miles along Austinville Road, near Burleigh, South Queensland, E. Bradbury, 10 Apr 1970, Holotype (H) QM G7404, Paratype (P) BM(NH) 1973.10.111. 1 = 55 mm, w (midclitellar) = 5 mm, s = 142 (H; paratype is posterior amputee). Form circular in cross section throughout, moderately stout. Pig- mentless. Prostomium indistinctly tanylobous, faintly canaliculate, but almost indistinguishable from other longitudinal furrowing of the peri- stomium. First dorsal pore 4/5 (H) or 5/6 (P). Setae in 8 regular longitudinal rows, commencing on II; setae a and b absent in XVIII. Nephropores not externally visible. Clitellum (developed in H only, though not fully) annular, XlV-fXVIII; intersegmental furrows and dorsal pores present though weaker, setae present. Male pores in Fig. 8: Digaster sexpunctata sp. nov. Genital field of holotype. For key to abbreviations, see Fig. 9. JAMIESON: GENUS DIGASTER IN QUEENSLAND 289 Fig. 9: Genital fields of: A, Digaster bradburyi bradburyv, B, D. anomala\ C, D. armifera; D, D. minor, E, D. gwongorellae; F, D. lumbricoides lumbricoides; G, D. gayndahensis ; H, D. lamingtonensis. (A and B from Jamieson, 1970; C, G and H from Jamieson, 1963; D from Spencer, 1900; E from Jamieson, 1972; F from Jamieson, 1971). ac.g.m, accessory genital marking; clit, clitellum; 9, female pore; g.m, accessory genital marking; gl. p, glandular pad; c?, male pore; prd. sue, paired suckerlike genital marking; sp.p, spermathecal pore; sue, suckerlike genital marking; uprd. sue, unpaired suckerlike genital marking. 290 MEMOIRS OF THE QUEENSLAND MUSEUM XVIII in ab near b on hemispheroidal papillae surrounded by a common prominent rim which extends at least to the setal arcs of XVII and XIX and laterally to mid be; the male porophores separated by a pair of very small disc-like equatorial genital markings which are preceded and succeeded by a similar pair of markings which are intersegmental in 17/18 and 18/19 (H, P); additional genital markings on a transverse pad in each of intersegments 6/7, 7/8, 8/9 (H, P) and 9/10 (H); those in 6/7 and 9/10 filling bb (H) or that in 6/7 median to a (P); those in 7/8 and 8/9 filling the interval between the spermathecal pores. Female pores anteromedian to setae a of XIV, about %aa apart, on a common elliptical tumescence. Sper- mathecal pores 2 pairs, at the anterior borders of VIII and IX, on small papillae (H, P). Septa 10/11 and 11/12 the thickest, strongly thickened. Dorsal blood vessel single, continuous onto the pharynx. Last hearts in XII; those in X-XII latero-oesophageal, each receiving a con- nective from the dorsal vessel and the weakly Fig. 10: Spermathecae in Digaster : A, B, D. binnaburra sp. nov., holo- type. A, right VIII, B, right IX; C, D, D. bradburyi bunyciensis sub sp. nov., holotype, C, left VIII, D, right IX; E-G, D. brunneus Spencer, 1900, right IX, E, BM(NH) 1973.10.98; F, BM(NH) 1973.10.100, G, Wolvi specimen, BM(NH) 1973.10.105; H, I, D. lumbricoides kondalilla subsp. nov., holotype, right VIII, H, dorsal, I, ventral; J, D. minima sp. nov., holotype, right IX; K, D. nothofagi sp. nov., holotype, right IX; L, D. pseudoperichaeta sp. nov., holotype, right IX; M, D. sexpunctata sp. nov., holotype, right IX. JAMIESON: GENUS DIG ASTER IN QUEENSLAND 291 developed supra-oesophageal vessel. Subneural vessel absent. Pharynx ending in III; oesophagus in IV and V segmentally dilated and very thin walled. Two strong subspherical gizzards, in VI and VII, separated by a short region of unmodified oeso- phagus. Oesophagus almost suppressed in VIII by backward extension of the gizzards; moniliform and vascular in IX-XIII; in XIV, XV and XVI with longitudinally striated lateral outpouching but not cut off" from the oesophageal lumen and with only low internal rugae, not forming definite calciferous glands. Oesophagus narrow in XVII; intestinal origin XVIII; muscular thickening, caeca and typhlosole absent. Nephridia meronephridia (H, P); large tufts in IV, V and VI sending ducts to a common composite duct on each side which joins the anterior aspect of the buccal cavity dorso- laterally; II, III and VII posteriorly, with parietal micromeronephridia which form dense lateral bands in VII; approximately 10 on each side by the anterior intestinal region. Posteriorly with moderately enlarged exonephric megamero- nephridium, with preseptal funnel, median to astomate, exonephric micromeronephridia (H). Holandric (iridescent sperm funnels in X and XI); gymnorchous; large racemose seminal vesicles in IX and XII. Metagynous, ovaries with numerous united strings of large oocytes (H, P); small ovisacs (?) in XIV in H, not observable in P. Prostates racemose, tongue-shaped, restricted to but enlarging XVIII; vas deferens joining the straight medianly directed duct where this joins the gland. Penial setae absent. Spermathecae with widely ovoid to subspherical ampulla; the mod- Fig. 1 1: Prostates in Digaster (L = left; R = right). A, D. binnaburra sp. nov., holotype, R; B, D. bradburyi bunyaensis subsp. nov., holotype, L; C, D. brunneus Spencer, 1900, BM(NH) 1973.10.98; L, D. lumbricoides kondalilla subsp. nov., holotype, R; E, D. minima sp. nov., holotype, L; F, D. nothofagi sp. nov., holotype, L; G, D. pseudoperichaeta sp. nov., holotype, R; H, D. sexpunctata sp. nov., holotype, R. 292 MEMOIRS OF THE QUEENSLAND MUSEUM erately narrow, well demarcated duct joined at or shortly ectal of midlength by a subspherical internally multiloculate (inseminated) broadly sessile diverticulum; the ampulla packed with nematodes (H, P); length of right spermatheca of IX (H) = 1-5 mm; ratio of length: length duct = 1-8 ratio of length: length diverticulum = 3 0. Remarks: The spermathecal and male genital fields of this species are highly distinctive. ACKNOWLEDGMENTS I am deeply indebted to Mr R. W. Sims, the authorities of the British Museum (Natural His- tory), and Professor R. P. Dales of Bedford College, for providing facilities for this study. Mr E. Bradbury and Mr T. Walker are thanked for their assiduous collecting and Mr Walker for aid in mapping. The work was made possible by Royal Society Nuffield and Australian Research Grants Committee grants. LITERATURE CITED Bage, F., 1910. Contributions to our knowledge of Australian Earthworms. The Nephridia. Proc. R. Soc. Viet, (n.s.) 22 (2): 224-43. Beddard, F. E., 1895. 'A monograph of the Order Oligochaeta.’ (Clarendon Press: Oxford). Boardman, W., 1932. Some earthworms from Queens- land. Mem. Qd Mus. 10 (2): 125 30. Fletcher, J. J., 1887, Notes on Australian earthworms. Part I. Proc. Linn. Soc. N.S. W. 1: 523-74. 1 888. Notes on Australian earthworms. Part III. Proc. Linn. Soc. N.S.W. (2) 2: 375402. 1889. Notes on Australian earthworms. Part V. Proc. Linn. Soc. N.S.W. (2) 3: 1521 58. Jamieson, B. G. M., 1963. A revision of the earthworm genus Digaster (Megascolecidae, Oligochaeta). Rec. Aust. Mus. 26 (2): 83-111. 1970. Two new sympatric species of the earthworm genus Digaster (Megascolecidae: Oligochaeta) from Queensland. Proc. R. Soc. Qd. 82 (3): 35-46. 1971a. A review of the megascolecoid earthworm genera (Oligochaeta) of Australia. Part III — The subfamily Megascolecinae. Mem. Qd Mus. 16 (1): 69-102. 1971b. Descriptions of the type-species of the earthworm genera Plutella and Digaster (Mega- scolecidae : Oligochaeta). Bull. Mus. natn. Hist, nat., Paris (2) 42 (6): 130040. 1972. A new species of Digaster (Megascolecidae: Oligochaeta) from Queensland. Mem. Qd Mus. 16 (2): 261-4. 1974. The zoogeography and evolution of Tasmanian Oligochaeta. In ‘Biogeography and Ecology in Tasmania.’ Ed. W. Williams. (Junk: Den Hague). Jamieson, B. G. M. and Bradbury, E. A., 1972. Investigation of the Australian earthworm genus Didymogaster (Megascolecidae: Oligochaeta) and discrimination of populations by analysis of setal ratios. Pedobioiogia 12: 1 1 1-22. Jensz, R. L. and Smith, B. J., 1969. Catalogue of Baldwin Spencer earthworm types in the National Museum of Victoria, Australia. Mem. natn. Mus. Viet. 29: 85-110. Kikkawa, J. and Pearse, K., 1969. Geographical distribution of land birds in Australia — a numerical analysis. Aust. J. Zool. 17: 821-40. Michaelsen, W., 1900. ‘Das Tierreich,’ Vol. 10, Vermes, Oligochaeta. (Friedlander: Berlin). 1907. Oligochaeta In ‘Die Fauna Siidwest-Australiens.’ Bd 1. Lief. 2, pp. 117-232. (Gustav Fischer: Jena). 1916. Results of Dr E. Mjobergs Swedish Scientific Expeditions to Australia 1910-1913. Oligochaeten. K. svenska VetenskAkad. Handl. 52(13): 3-74. Perrier, E., 1872. Recherches pour servir a l’histoire des lombriciens terrestres. Nouv. Arch. Mus. Hist, nat., Paris 8: 19-197. Spencer, W, B., 1900. Further descriptions of Australian earthworms, part I. Proc. R. Soc. Viet, (n.s.) 13 (1): 29-67. Stephenson, J., 1930. ‘The Oligochaeta’. (Clarendon Press: Oxford). Sweet, G., 1900. On the structure of the spermiducal glands and associated parts in Australian earthworms. J. Linn. Soc., Zool. 28 (180): 109-39. Mem. Qd Mus. 17(2): 293-303, pis. 36-40. [1975] A REVIEW OF THE GENUS PHYLLURUS (LACERTILIA: GEKKONIDAE) Jeanette Covacevich Queensland Museum ABSTRACT Two new species of Phyllurus ( P. caudiannulatus and P. salebrosus) are described from mid- eastern Queensland and the other two species of this genus, which is confined to eastern Australia, are redescribed. A key to their identification is provided and distribution of the species is discussed. The genus Phyllurus Schinz, 1822, is defined in detail by Kluge (1967, p. 1017) to include four species — P. platurus (White, 1790), P. milii (Bory de St. Vincent, 1825), P. cornutus (Ogilby, 1892), and P. sphyrurus (Ogilby, 1892). Two distinct groups are recognisable within the genus as it is defined by Kluge. The first comprises P. milii and P. sphyrurus. These deep-headed species, covered in rounded tubercles, with robust moderately depressed tails, are referred to Underwoodisaurus by Wermuth (1965, p. 47). Species of the second group (P. platurus and P. cornutus) have extremely depressed heads, very broad, depressed, ‘leaf-like’ tails, and are covered in conical tubercles. Two new species described here are referred to Phyllurus (sensu stricto) because both have ex- tremely depressed heads and are covered with conical tubercles. Only one species (P. salebrosus sp. nov.) has the characteristic ‘leaf-like’ tail of Phyllurus species. The other (P. caudiannulatus), has a tail that is long, slender, and round in cross- section or slightly leaf-shaped. As P. caudiannula- tus is very similar to P. platurus (the only obvious differences are in tail shape and distribution) and as U. sphyrurus and V. milii form an easily recognised separate group, Kluge’s definition of the genus Phyllurus must be modified to exclude P. sphyrurus and P. milii (following Wermuth, 1965) and to include P. caudiannulatus. This can be done by describing the tail of Phyllurus as moderately long, cylindrical or extremely depressed, not prehensile, without modified terminal subcaudal lamellae. The four species here referred to Phyllurus are confined to eastern Australia between mid-eastern New South Wales and northeastern Queensland. Only one species (P. salebrosus) is found far from the coast. Two species (P. cornutus, P. caudian- nulatus) are apparently usually confined to closed forests and the other two species (P. platurus and P. salebrosus) inhabit drier rocky areas with sparser vegetation cover. Methods All specimens of Phyllurus in the reference collections of the Queensland Museum (QM), the Australian Museum (AM), and the National Parks Branch (Department of Forestry) Museum (RG) have been examined. The following body measure- ments and morphological characters have been used in separating the species. Snouth to vent length (SVL): From tip of snout to anterior margin of vent. Tail length (T); Taken in two ways (a) in species with ‘leaf-like’ tails, because almost all tails have been cast posterior to the vent where the leaf begins, as shown in Fig. 1; (b) in P. caudiannulatus which has a ‘conventional’ tail, from posterior margin of cloaca to tip of tail. Attenuated tip of tail (TT): As shown in Fig. 1 . Head length (HL): Between tip of snout and posterior margin of ear. Head width (HW): Greatest width of head. Snout (S): Tip of snout to anterior margin of eye. Labials: Counted to exclude granular scales towards angle of mouth. Number of rows of spines across attenuated portion of tail: Counted from first complete row across the tail, usually corresponding with the posterior end of the ‘leaf (see Fig. la). Rows of tubercles on eyelid: Counted to exclude the row forming the ‘eyelash’ and the orbital row (see Fig. 2). 294 MEMOIRS OF THE QUEENSLAND MUSEUM Key to Phyllurus Species 1 Throat completely covered with calcareous deposits . . . . . P. salebrosus Throat almost smooth, calcareous deposits only in skin covering bones of lower jaw P. eornutus Throat and skin covering bones of lower jaw smooth 2 2(1) Specimen with original tail . . . . 3 Specimen with regenerated tail or no tail 4 3(2) Tail with distinct white bands, cylindrical or slightly leaf-shaped . . P. caudiannulatus Tail without distinct white bands, leaf- shaped . . . . . . . . P. platurus 4(2) Specimen from mid-eastern Queensland . . P. caudiannulatus Specimen from mid-eastern New South Wales P. platurus Phyllurus platurus (White) (Figs. 3, 4; Plates 37B, 38C, 39C, 40D) Lacerta platura White, 1790, p. 246, pi. 32, fig. 2. {Australia — presumed to be near Sydney, N.S.W.; ?holotype BM xxii98a). Agama discosura Merrem, 1820, p. 51. (Australia; type(s) presumed lost). \}\Phyllurus australis Swainson, 1839, p. 370. Phyllurus inermis Gray, 1845, p. 176. (Australia; holotype BM xxiilOOa). Material Examined QM Blue Mts„ J160; Buladelah J9054; AM no data, 5241, A1237, R959, R966, R992, R1550, R1575, R3588, R3601, R3666, R5182, R11587; Bondi, R1124; Kiama, R2306; Balmain, R2531; Hawkesbury, R3143; Woolwich, R3182; Brooklyn, R3392; Sackville, near Windsor, R3582; near Sydney, R3583, R8305; Callan Park, R3585; Greenwich, Lane Cove R., R3793; Darling Point, R4396; North Sydney, R4404, R 12209; Gosford, R4814; Bradley’s Head, R5181; Sydney, R5520, R8087; Linfield, R6141; Terrace Falls, Hazelbrook, R6728; Freshwater, Manly, R7087, R7189, R8036; Pennant Hills, R7294; Double Bay, Sydney, R7747; Woodford, Blue Mountains R7987; Coalcliffe, R8037; Mittagong, R8125, R8126; Hunters Hill, R8271; Mosman, near Sydney, R8277, R8918; North Sydney, R8595; Lithgow, R8980; Crem- ome, R9274; Northbridge, R9826; Epping, R1005, R 10377; Lane Cove R., R 10066; Annandale, R 10068; Watson’s Bay, R10220; Croydon Park, R10374; near Gosford, R 10384; Harbord, R10387; Sydney, R10412, R21047; Tuggerah Lakes, R 10429; Edgecliffe, R 10504; Longueville, R1 1733; Northbridge, R1 1889; Northmead, R 12907; Punchbowl, R13105; Giruan, via Stroud, R 154 12; Jannali, Sydney, R 19084; Jenolan Caves, R20381; Mangrove Creek, via Spencer, R25891, R25912; Saratoga, R26208; Miranda, Sydney, R27324; Faulcon- bridge, R27325; St. Ives, Sydney, R27330; Castle Hill, Sydney, R27334; Hunters Hill, Sydney, R27940; Baulk- ham Hills, Sydney, R28308; North Shore, Sydney, 4942, All 70 1 ; Double Bay, Sydney, A9615; Wallis Lake, Tuncurry, R8253; Buladelah, R8103. All localities are in New South Wales. Diagnosis A small leaf-tailed Phyllurus very similar to P. caudiannulatus from which it may be distinguished readily by tail shape (depressed, broad, leaf-like original and regenerated tail vs conventional cy- lindrical original and regenerated tail*). Specimens without tails virtually indistinguishable although P. caudiannulatus is usually more spinose, es- pecially on the head, than P. platurus and the two species occur in widely separated localities (mid- eastern N.S. W. vs mideastern Queensland). Distin- guished from P. eornutus from southeastern Queensland and northeastern New South Wales, with which it has been confused, by size (SV 95-9 (max) vs 140 0), absence of calcareous deposits on throat (present on skin covering bones of lower jaw in P. eornutus ) and, less reliably, tubercles at flank (very small vs larger, rounded or flattened and strongly hooked in northern specimens). Description White’s type description of this species is very brief and, although it is accompanied by an illustra- tion, is hardly adequate for distinguishing the species. J. E. Gray (1845, p. 176) examined two specimens he referred to P. platurus from ’New Holland’ (= Australia). G. R. Gray (1845, p. 17, fig. 2) referred material from ’Sydney’ and ’Mac- quarie River’ to P. platurus. His illustration shows typical specimens of P. platurus with original and regenerated tails (as P. inermis). It seems reasonable to assume that White’s type specimen was included in those examined by Gray and, in any case, the specimen on which the type description is based almost certainly came from near Sydney because in 1790 there were no other settlements in New South Wales. The only other species of Phyllurus which occurs in Sydney (and this is based on a slightly doubtful record) is P. salebrosus sp. nov,, a very large species which has the attenuated portion of the tail less than ^ total length of the tail. White’s type specimen measured 44" (114-3 mm) and his illustration is of a specimen with the attenuated portion of the tail equal to almost half the total length of the tail, a feature typical of P. platurus. Boulenger (1885, pp. 49-50) gives a detailed description of P. platurus but this is certainly based on several specimens (p- r, Queensland; s, Pt. Curtis *See footnote on p. 298. COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS 295 (Gladstone area, Queensland)) which are not P. platurus if present distributions have any significance. The measurements given are of a specimen much larger than any examined in this study and the description may be a composite based on specimens of at least P. platurus , P. salebrosus and possibly P. cornutus, highlighting similarities in some of the external morphological features of these species. Examination of specimens of P. platurus makes the following elaboration of Boulenger’s description possible. Features com- mon to all Phy/lurus (e.g. head large, very depressed, distinct from neck . . . covered with small granules, intermixed with conical, spinose tubercles . . .) and which do not serve to distinguish the species have been omitted from this description. Size: P. platurus is a small species, similar in size to P. caudiannulatus. The largest specimen exam- ined is R6728. Dimensions of this specimen are SVL 95-9, HL 29-3, HW 22-3, (tail regenerated). The largest specimen with an original tail (R8980) has the following dimensions SVL 85-5, T 69 0, TT 36-5, HL 27*3, HW 22*2. Flank Tubercles: Invariably minute if present, and rounded; absent in some specimens (e.g. R25912, R1550). Original Tails: Few specimens (§f) have orig- inal tails. The length of the attenuated tip is close to half the total length of the tail (0-40 0-56). There are 6-9 rows of spines across the attenuated tip of the tail, the posterior half of which is smooth. In most specimens the whole ‘leaf is dotted with conical tubercles but in some the central thickened portion of the tail is smooth. The tubercles at the edges of the tail are long and slender or short, almost conical. The anterior portion of the 'leaf may be strongly heart-shaped or have almost parallel sides. Regenerated Tails: Smooth both ventrally and dorsally; fringe broad or narrow and usually terminating in a well defined tip which may be very short or long and tapering. Rows of Tubercles on Eyelids: Usually one row, but may be none or two or the tubercles may be irregularly arranged. All are very small. Colour: Live specimens of P. platurus have not been examined for this study. Green (1973, p. 21) notes that this species is ‘usually light brown or grey, similar to the sandstone in which it lives’. Preserved specimens are light brown or grey and most bear darker brownish flecks or striations all over the dorsal surface. Ventrally specimens are pale cream to grey. Habitat Green (1973) has discussed the habitat of this species in detail. P. platurus is almost invariably confined to sandstone areas. Distribution P. platurus occurs only in mid-eastern New South Wales and is confined to the ‘Sydney- Hawkesbury Sandstone’ as it is defined by Breed- en (1972, p. 6). Queensland records of this species (e.g. Museum of Comparative Zoology, Harvard specimen 10259, Mt Tamborine, S.E.Q. of Love- ridge 1935, p. 298 and the small specimen of Lonnberg and Anderson (1915, p. 3), also from Tamborine) are almost certainly based on speci- mens of the southern form of P. cornutus. Phyllurus cornutus (Ogilby) (Figs. 1, 3, 4; Plates 36A, 37D, 38D, 39D, 40C) Gymnodactylus cornutus Ogilby, 1892, p. 8. (Bellenden Ker Ranges, northeastern Queensland; syntypes AM R748 50, R752-3, R1094). Phyllurus lichenosus Gunther, 1897, p. 405, pi. 12. (Mount Bartle Frere, northeastern Queensland, holotype presumed lost). Gymnodactylus sphyrurus Barrett, 1950, p. 31. (non G. sphyrurus Ogilby). Material Examined Syntypes: Bellenden Ker, NE.Q., AM R748-50, R752-3, R1094. Other Specimens: QM (NE.Q.): Shipton’s Flat, via Cooktown, J 17801; 14-4 km SW. Mossman, J7936; Atherton, J5704; Walsh Camp, via Atherton, J9532; Millaa Millaa, J5508; Bellenden Ker, J3021; Innisfail, J5323; Ingham, J3429; AM (NE.Q.): Millaa Millaa R11375; Bartle Frere, R4769; Evelyn, approx, 1 4*4 km from Ravenshoe, R26117 23. QM (SE.Q., NE.NSW.): Tamborine J8183, J 12257; Mt. Tamborine (= Tam- borine Mt.) J398, J2409, J2933— 4, J3254, J4439, J8359, J8861, J 10440; Eagle Heights, (?) J4819; Mt. Cluny J 8074-5, J8099; Binna Burra J8646; Mudgeeraba J4198, J5690; Canungra J148, J3215; Mt. Ballow J23937; Beechmont J5649; Tallebudgera J3313, Mt. Lindsey J 10565; Lamington J5382; Tweed R. J1 143; N.S. W. J730. AM(N.S.W.) Murwillumbah R2409, A233; Bulga Table- land R6247, R1 1860; Huonbrook R2315; Nambucca R. R6792; Nimbin R 1 1 553; Wauchope, R1 1621. Queens- land. R1 1844. Girraween, near Stanthorpe RG10. Diagnosis A large leaf-tailed Phyllurus, distinguished from P. salebrosus in having calcareous deposits only in the skin covering the bones of the lower jar (vs calcareous deposits all over throat) and by length of attenuated tip of tail (greater than one third total length of tail vs less than one third total length of tail). P. cornutus is distinguished from the small species P. platurus with which it has been confused 296 MEMOIRS OF THE QUEENSLAND MUSEUM in some areas by tubercles at flank (long hooked spines surrounded by smaller spines (P. cornutus NE.Q. specimens) or shorter, unhooked, but slender spines usually surrounded by smaller spines (P. cornutus SE.Q.-NE.N.S.W. specimens) vs very small, rounded tubercles without smaller tubercles (P. platurus ). Specimens with original tails are further distinguished by the presence of spines for the full length of the tail tip (absent towards the tip in most specimens of P. platurus examined). Description Size: P. cornutus is a large species being smaller than only P. salebrosus. The largest specimen examined, a northern specimen (J5704), has the Fig. 1: Phyllurus cornutus. A-B, tail length; B-C, length of attenuated tip of tail. following dimensions SVL 140 0, HW 30-9, HL 40-5, tail missing. The dimensions of the largest specimen with an original tail (R 12935, also a northern specimen) are SVL 140 0, T 89-4, TT 38-4, HW 30T, HL 41-6. Specimens from southeastern Queensland and northeastern N.S.W. are ap- parently slightly smaller (dimensions of largest specimen, R11860, SVL 128 0, HW 26 0, HL 35-6, tail regenerated). Only two specimens of the Girraween, near Stanthorpe, SE.Q., population have been examined (RG10; QM live specimen: SVL 96-9-100-2, T (QM live specimen) 70-0, TT 30-0, HW 22-5-23-4, HL 27-8-28-0). Flank Tubercles: All northern specimens have long, slender, hooked, closely adjacent spines surrounded by smaller hooked spines. In southern specimens the flank tubercles range from long, hooked spines surrounded by smaller hooked spines (J2126) through weakly developed spines (RG10) to small rounded or flattened, widely spaced spines which occur in about half the specimens examined. The absence of long hooked spines in southern specimens has apparently led to some of the confusion of P. cornutus with P. platurus which has weakly developed flank tu- bercles. Original Tails: Length of attenuated tip of tail/total length of tail is shown in Fig. 1 . The length of the tip of the tail is approximately half its total length. There are normally 12 (9-14) complete rows of spines across the tail and the spines occur along the total length of the tail tip. Regenerated Tails: Very broad (J3021), or relatively narrow (J5690, J2409) depending on the width of the fringe. The tail is smooth, parallel sided, and usually terminates in a well defined tip. Rows of Tubercles on Eyelid: usually 2 rows, rarely 1 or 3. Colour: Very few live specimens have been examined but both greenish and greyish specimens with the typical ‘lichen’ pattern have been seen. Spirit specimens vary from plain dark brown to very light grey, and are patterned with fine brown lines. Habitat P. cornutus is an inhabitant of closed forests, areas formerly covered in closed forest, and adjoining wet sclerophyll forests. It is believed to be a tree-dweller as specimens are frequently found where trees are being felled. P. cornutus is very common in some areas of northeastern Queensland (China Camp, approximately 80 km S. of Cook- town) (J. James, pers. comm.) and southeastern COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS 297 Queensland (Lamington National Park), speci- mens being found sitting on trees at night, apparently feeding on insects. The Stanthorpe population is common in granite boulder country, an area with rather sparse, open vegetation cover. In the Girraween National Park 30 specimens were observed in 24 days. The bulk of these were seen under exfoliations on the boulder sites and the remainder in deep cracks in the boulders. A single young specimen was found under an isolated rock on a large flat boulder. Usually the specimens were solitary but up to three adults were found in several ‘suitable’ crevices (T. Low, pers. comm.). Distribution P. cornutus occurs in northeastern Queensland, southeastern Queensland, and north- and mid- eastern New South Wales. No P. cornutus have been collected or reported between Ingham and Tamborine although it is likely that the species will be found here with more intensive collecting, especially in the closed forests of the ranges of Mackay, mid-eastern Queensland. With only three exceptions (Mudgeeraba, SE.Q; Ingham, NE.Q.; Innisfail, NE.Q.) the localities from which Queen- sland P. cornutus have been collected are above 300 metres, so it appears that this species has a preference for elevated, cool areas. Discussion Three forms of P. cornutus are recognisable in the specimens examined — from northeastern Queensland, southeastern Queensland-north- eastern New South Wales, and from the Stan- thorpe area — but, until more specimens are available especially from mid-eastern Queens- land, despite differences in size, flank tubercles and habitat preference, it seems preferable to regard them as a single, rather variable species rather than three distinct taxa. The detailed description of this species by Ogilby (1892, pp. 8-10) is adequate to enable easy recognition of northern specimens upon which it was based but, although he noted this species to be ‘very distinct from G. platurus , its nearest ally’ Ogilby did not elaborate on his reasons for this. He regarded one unspecified specimen, apparently collected at the same time and place as the syntypes of P. cornutus, as being specifically inseparable from P. platurus. All northern P. cornutus in the collection of the Australian Museum have all the features regarded as diagnostic of the species. In his description of P. lichenosus from Bartle Frere (the mountain adjoining Bellenden Ker, the type locality of P. cornutus) Gunther separated P. lichenosus from P. cornutus because it lacked the ‘strong spinate knob surmounted by a conical tubercle behind the eye’ and from P. platurus largely because it had the ‘series of slender tubercles which flanks the abdomen’ and which are not present in P. platurus. The conical tubercles on the knob behind the eye of P. cornutus and the other species of Phyllurus occur in a variety of sizes and the size and pattern of tubercles on Phyllurus specimens vary greatly. Gunther’s illustration shows a definite cluster of spines, if not a knob, behind the eye. This feature is not diagnostic of the species. The original tail of the specimen illustrated has the attenuated tip greater than l 3 total length of tail — a feature diagnostic of P. cornutus. No specimens of P. cornutus from mid-eastern Queens- land are known and the unnumbered specimen from Port Curtis, mid-eastern Queensland, re- ferred to P. cornutus by Gunther is probably P. salebrosus sp. nov. the only large Phyllurus which occurs in the area. Garman (1901, p. 2) briefly described P. cornutus , again from northern mat- erial, and noted for the first time the difference in the lateral spines of this species and P. platurus. Only two other reptiles have a recorded distri- bution similar to that of P. cornutus. These are Tropidechis carinatus Krefft 1863 (Trinca, Gray- don, Covacevich and Limpus, 1971 , pp. 803-4) and Leiolopisma challenged (Queensland Museum re- ference collection). Two frogs have similar distributions — Lechriodus fletcheri (Boulenger) 1 890, Litoria chloris (Boulenger) 1 893 (Queensland Museum reference collection). Several genera of reptiles with different northern and southern closed forest species have been noted — Goniocephalus, Cacophis (Queensland Museum reference col- lection) and Mixophyes (Liem and Hosmer, 1973, p. 455). Specimens of species of these genera from the intervening closed forests of mid-eastern Queensland are not known. Phyllurus caudiannulatus sp. nov. (Figs. 2, 3, 4; Plates 36B, 37C, 38A, 39A, 40A) Material Examined Holotype: Queensland Museum J 15619, J (with original tail), Bulburin State Forest, via Many Peaks, ME.Q. Coll. 3rd Sept., 1968, J. Covacevich, T. P. Tebble. Paratypes: J22286, $ (with original tail) and J22287, ? (with regenerated tail), both from Granite Creek, Bulburin State Forest, via Many Peaks, ME.Q. Coll. 1st April, 1972, G.B. and S.R. Monteith; J24132, £ (with regenerated tail), Forest Station, 700 m, Bulburin State Forest, via Many Peaks, ME.Q. Coll. S.R. Monteith, 29th April, 1974; J25411, <3 (with original tail), Eungella National Park, via Mackay, ME.Q. Coll. Feb, 1975, K. McDonald. 298 MEMOIRS OF THE QUEENSLAND MUSEUM Diagnosis* A small Phyllurus which differs from other Phyllurus in having distinct white bands on the original tail, which may be cylindrical or slightly leaf-shaped. Regenerated tails are cylindrical (vs leaf-shape in all other species of Phyllurus). Speci- mens without tails are very similar in size and shape to P. platurus. They differ only in being slightly more spinose and in being restricted to closed forest of mid-eastern Queensland (vs more open forest in rocky, especially sandstone areas of mid-eastern New South Wales). Description of Holotype SVL 74-2, TL 1 38-4, T 64-2, HL 22 0, HW 17-5. Head large, depressed, elongate, triangular, very distinct from neck; skin of the head more or less confluent with cranial ossification; ear opening elliptical, less than half as large as eye. Body moderate. Limbs long; digits strong; subcylindrical at base, compressed distally. Head covered in small granules, intermixed with larger rounded to conical tubercles; a distinct row of small conical tubercles across the head midway between ear and eye, one distinct row of tubercles on eyelid which also bears another row of smaller, irregularly placed tu- bercles; labials Body and limbs covered dorsally and ventrally with small granules; dorsally these are intermixed with larger conical tubercles which are largest laterally on the body and quite small along the dorsal mid-line and on limbs close to digits. Tail not depressed, slender, tapering, covered dorsally and ventrally by fine granules intermixed dorsally with large, conical tubercles; tubercles in regular rows, smaller towards tip. In spirit, basically fawn (between Tilleul-Buff and Pale-Olive Buff of Ridgway, 1912) dorsally and cream (close to Ivory Yellow of Ridgway) ventrally darker, brownish (Close Brown of Ridgway) blotches irregularly over head, back and limbs. Tail bears six distinct creamish (Cartridge Buff of Ridgway) bands. Variation in Paratypes Variation is very slight. The flank tubercles in the four specimens of P. caudianulatus are similar. The first row is very small, rounded at the base and TABLE 1: Dimensions of Paratypes of P. caudian- nulatus Specimen SVL TL T HL HW J22286* 75-8 139-0 53-2 215 17-6 J22287f 76-5 122-6 46-1 21-5 17-1 J241 32 1 8L8 133-8 52-0 23-7 18-9 J25411* 84-8 145-0 60-0 23-4 18-0 *original tail f regenerated tail Fig. 2: Phyllurus caudiannulatus (J 15619), showing two rows of tubercles on the eyelid. *Since this paper went to press a large series of Phyllurus has been collected in the Eungella area by the Australian and Queensland Museums supported financially by the Australian Biological Resources Survey. Although these specimens have slightly flared to distinctly leaf-shaped original and regenerated tails unlike P. caudiannulatus previously described, they resemble P. caudiannulatus in size, body proportions, colour pattern (including the presence of light bands on the tail), and spination. Like P. caudiannulatus previously described, specimens from Eungella without tails are difficult to distinguish from P. platurus although light tail bands are not present in any P. platurus examined and P. caudiannulatus and the Eungella specimens are generally more spinose than P. platurus. Snout (mm) Head Width (mm) Attenuated Tip of Tail (mm) COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS 299 40 _ 30 _ 20 _ 10 _ □ □ □ □ O □ □ o □ □ □ □ O 0^0 ° o o _l i I I I I I 1 L. 10 20 30 40 50 60 70 80 90 Total Length of Tail (mm) 40 30 20 B D ’b s* □ □ □ o □ • • * o • *o •o o 20 30 40 Head Length (mm) 50 20 . Q OSD' if- - • 10 . □ n dP n n^n #x D I I 1 20 30 40 Head Length (mm Fig. 3: Head and tail measurements in Phyllurus spp. • P. salebrosus; O P. cornutus; □ P. platurus; X P. caudiannulatus 300 MEMOIRS OF THE QUEENSLAND MUSEUM sharp. Dorsally they are larger and very spinose. Tubercles on the eyelids of all specimens are very small and are irregularly placed. On J22286 the dark blotches of the dorsum form distinct striations on the head, giving an impression of a slightly darker specimen. The tail bands on this specimen were white in life. The regenerated tails of J22287 and J24 1 32 taper conventionally and are covered in small granules which form uniformly small tu- bercles dorsally and which are smooth ventrally. The regenerated tails lack the distinct light bands of the original tails of J 156 19 and J22286 but are marked with fine dark lines forming an irregular pattern. The original tail of J25411 is slightly expanded to form a ‘leaf and bears three white bands and one white blotch instead of the 5-6 distinct light bands of the tails of J 156 19 and J22286. Habitat, Distribution P. caudiannulatus is known only from closed forest in two localities in mid-eastern Queensland — Bulburin State Forest, via Many Peaks and Eungella National Park, via Mackay. The holotype (J 15619) was collected during the day under the bark of a lichen-covered dead tree stump. Two of the paratypes (J22286-7) were collected at night on a dead tree. The third paratype (J24132) was found at night on the buttress of a live tree. J25411 is one of six specimens seen at night by spotlight approximately 12m above the ground on trees in the Broken River area of the Eungella National Park. P. caudiannulatus and P. salebrosus are sympatric in the Bulburin State Forest but apparently occupy different niches here. One specimen of P. salebrosus (J22288) collected at the same time and in the same place as two paratypes of P. caudiannulatus (J22286-7) was found on granite rocks close to the ground. Phyllurus salebrosus sp. nov. (Figs. 3, 4; Plates 36C, 37A, 38B, 39B, 40B) Material Examined Holotype: Queensland Museum J8 142, S (with orig- inal tail), Monto. SE.Q. Paratypes: J2879, $ (with original tail), Roma, SC.Q.: J4474 (with original tail), Coongoola, SC.Q.; J4897, $ (with original tail) Coomooboolaroo, via Duaringa, ME.Q.; J9770. c3 (with original tail) Lowmead, ME.Q.; J5390, S, J6198, $ (with regenerated tails), Goodnight Scrub, Wallaville, SE.Q.; J8377, $ (with regenerated tails); Injune, SE.Q.; J22288, ^ (with regenerated tail), Bulburin State Forest, via Many Peaks, ME.Q.; J6328, $ (tail missing), roof of cave, Cracow Creek, Cracow, ME.Q. Other Material: AM Pt Lincoln [?], R5586; Sydney [?], R300. QM Goodnight Scrub, Wallaville J25360. Diagnosis A large (the largest) Phyllurus , P. salebrosus is distinguished from all other species of Phyllurus by its extremely rough throat. Tubercles are present all over the chin, not only on the scales below the jaw bones as in P. cornutus, the species it resembles most. The original tail of P. salebrosus further distinguishes it from P. cornutus (attenuated tip of tail total length of tail vs <1 total length of tail). Description of Holotype SVL 1391, TL 242-7, T 75-7, TT 20- 1, HL 40-4, HW 30-6. Head large, depressed, triangular, very distinct from neck; skin of head almost confluent with cranium; ear opening elliptical, vertical, less than half as large as the eye. Body moderate. Limbs long; digits strong; subcylindrical at base, com- pressed distally. Head covered with small granules, intermixed with larger, rounded to conical tu- bercles; one and a half rows of tubercles on eyelid; labials body and limbs covered with small granules, intermixed with conical, almost spinose larger tubercles which are surrounded by smaller conical tubercles towards the sides. Chin, throat and ventral surfaces covered with flat granules intermixed with larger, but still small tubercles. Tail depressed, very broad, leaf-like, contracted at the base, attenuated at the tip; fringed with larger, hooked tubercles; very large conical tubercles in a cluster near contracted base of tail, irregularly towards fringes of leaf, and in eight regular rows over posterior one third of tail; ventral surface of tail smooth. In spirit, basically gray (between Pearl Gray and Light Gull Gray of Ridgway) dorsally and cream (close to Ivory Yellow of Ridgway) ventrally. Dorsally there is a series of brown (close to Burnt Umber of Ridgway) lines forming roughly shaped hexagons. The ventral surface is flecked with a lighter brown (close to Road’s Brown of Ridgway) which forms a series of irregular trans- verse lines on the chin. TABLE 2: Dimensions of Paratypes of P. salebrosus Specimen SVL TL T TT HL HW J2879* 1190 183-8 64-5 16 6 34-5 27-4 J4474* 120-4 196-7 64-4 15-2 33-8 26-7 J4897* 93-5 167-2 55-3 16-0 29-1 23-4 J9770* 1150 198-4 61-2 17-0 32-8 24-1 J5390 1 133-0 187-2 47-8 — 36-7 29-1 J6 1 98 1 133-2 173-3 39-6 — 38-0 29-2 J8377f 125-4 194-0 47-6 — 35-0 27-4 J22288f 141-0 197-3 53-2 — 38-8 32-0 J6382 t 128-5 — — — 39-0 34-5 * original tail fregenerated tail t tail missing COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS 301 Fig. 4: Distribution of Phyllurus spp. 302 MEMOIRS OF THE QUEENSLAND MUSEUM Variation of Paratypes Variation is slight. Flank tubercles may be quite long, rounded at the base and surrounded by smaller tubercles (J4474, J6198) or smaller, narrow, and without smaller tubercles (J8377). The cal- careous deposits in the throat may be large and well developed (J22288) or smaller and less obvious (J8377). There are two rows of tubercles on the eyelid in five specimens, one is present in two specimens (J22288, J9770), and in J4897 and J6198 there are one and a half rows. Rows of spines across tail in specimens with normal tails vary between 6 (J2879, J4897) and 9 (R5586). Four of the para- types have regenerated tails, two of which are illustrated. These differ from the regenerated tails of P. cornutus in lacking the tip which is usually present in this species and gives the regenerated tail a true ‘leaf shape. Distribution All P. scilebrosus examined are from mid-eastern and south-central Queensland, with the exception of two specimens, R5586 (a completely faded specimen with original tail from Pt. Lincoln, S.A.) and R300 (a tailless specimen from Sydney). Although these could be reliable records of a species which is apparently uncommon wherever it occurs, these localities are 1200 and 900 km respectively from the nearest Queensland locality in which P. salebrosus is known, and there are no other records of this species outside Queensland. Detailed collection data is available for only a few specimens of P. salebrosus. J6328 was collected from the roof of a cave adjoining Cracow Creek, Cracow, mid-eastern Queensland and J22288 was found at night on granite rocks in closed forest of the Bulburin State Forest, via Many Peaks, mid- eastern Queensland. With the exception of the Bulburin State Forest the localities from which this species has been collected are generally quite dry and rocky. Most are sandstone or granite areas. J22288 was collected at the same time and in the same place as two of the paratypes of P. caudian- nulatus in the Bulburin State Forest, a moist area bounded on either side by drier granite ridges in which P. salebrosus has been collected (J8142, Monto and J9770, Lowmead). Three specimens (J5390, J6198, J25360) have been collected in the Good Night Scrub, near Wallaville, southeastern Queensland. The last, one of two specimens seen by spotlight in similar situations, was found eight metres above the ground on a Bottle Tree ( Brachychiton rupestre). The Good Night Scrub where these specimens were found is an Araucarian Vine Thicket (Webb 1 968, p. 308) on "stony, light to medium clay with many quartzite fragments’ (Cannon et. al. 1962 p. 121). The only other specimen collected recently (held live in the col- lection of Mr T. Low) was found in Robinson Gorge, via Taroom, southeastern Queensland on the wall of a small open sandstone cave. The species is either uncommon or difficult to find in both areas. ACKNO WLEDGM ENTS Mr A. Easton prepared the plates and Miss S. Hiley prepared the map. Mr T. Low, Mr J. James, Mr G. Monteith and Mr K. McDonald provided data on Phyllurus populations. Mr B. Campbell and Dr H. Cogger have given helpful advice and criticism throughout this work. Dr H. Cogger and Mr P. Rawlinson have provided data on type specimens and supplied obscure references. Mr J. Tracey and Mr E. Zillman supplied data on the Good Night Scrub. LITERATURE CITED Boulenger, G. A., 1885. "Catalogue of the lizards in the British Museum (Natural History)’. Vol. 1. (British Museum: London). Breeden, S. and Breeden, K., 1972. ‘Australia’s Southeast. A Natural History of Australia: 2’. (William Collins Ltd.: Sydney). Cannon, J. R., Corbett, N. H., Haydock, K. P., Tracey, J. G., and Webb, L. J., 1962. An in- vestigation of the effect of the dehydroangustione present in the leaf litter of Backhousia angustifolia on the germination of Araucaria cunninghami — an experimental approach to a problem in rain forest ecology. Aust. J. Bot. 10 (2): 1 19-28. Garman, S., 1901. Some reptiles and batrachians from Australasia. Bull. Mus. Comp. Zool. Harv. 39: 1-14, pis. 1-2. Gray, J. E., 1845. ‘Catalogue of Lizards in the British Museum (Natural History)’. (British Museum: Lon- don). Gray, G. R., 1845. Reptiles. In "The Zoology of the Voyage of H.M.S. Erebus and Terror’. (Eds. J. Richardson and J. E. Gray). Vol. 2 (E. W. Janson: London). Barrett, C., 1950. 'Reptiles of Australia’. (Cassell: London). Green, D., 1973. Observations on the southern Leaf- tailed Gecko ( Phyllurus platurus). Herpetofauna 6 (2): 21-4. Gunther, A., 1897. Descriptions of new species of lizards and of a tree frog from north-eastern Queensland. Novit. Zool. 4 : 403-6, pis. 11-12. Kluge, A. G., 1967. Systematics, phylogeny, and zoogeography of the lizard genus Diplodactylus Gray (Gekkonidae) Aust. J. Zool. 15 : 1007-1108, pis. 1-19. Liem, D. S. and Hosmer, W., 1973. Frogs of the genus Taudactylus with descriptions of two new species (Anura: Leptodactylidae). Mem. Qd Mus. 16 (3): 435-57, pi. 29. COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS 303 LOnnberg, E. and Anderson, L. G., 1915. Results of Dr E. Mjoberg’s Swedish Scientific Expeditions to Australia 1910-13. (part) 7. Reptiles collected in northern Queensland. Kungl. Svenska Vetensk. Handlingar 52 (?): 1-9. Loveridge, A., 1934. Australian reptiles in the Museum of Comparative Zoology, Cambridge, Massa- chusetts. Bull. Mus. comp. Zool. Harv. 77 (6): 243-383, pi. 1. Merrem, B., 1820. ‘Versuch eines Systems der Amphibien — Tentamen Systematis Amphibiorum’. ( — : Marburg). Ogilby, J. D., 1892. Descriptions of three new Australian lizards. Rec. Aust. Mus. 2 : 6-11. Ridgway, R., 1912. Color Standards and Color No- menclature. (author: Washington D.C.). Swainson, W., 1839. The natural history of fishes, amphibians and reptiles, or monocardian animals. In ‘Cabinet Cyclopaedia’. (Longman, Orme, Brown, Green and Longmans: London). Trinca, J. C., Graydon, J. J., Covacevich, J., and Limpus, C., 1971. The Rough-scaled Snake ( Tropi - dechis carinatus), a dangerously venomous Aus- tralian snake. Med. J. Aust. 2: 801-9. Webb, L. J., 1968. Environmental relationships of the structural types of Australian rain forest vegetation. Ecology. 49 (2): 297-311. Wermuth, H., 1965. Liste der rezenten Amphibien und Reptilien Gekkonidae, Pygopodidae, Xantusidae. Das Tierreich 80: 1-246. White, J., 1790. ‘Journal ofa voyage to New South Wales with sixty-five plates on non descript animals, birds, lizards, serpents, environs, cones of trees and other natural productions’. (J. Debrett: Piccadilly). Plate 36 Queensland species of Phyllurus. A. Phyllurus cornutus Girraween (released) B. P. caudiannulatus Bulburin State Forest (J22286) C. P. salebrosus Robinson Gorge (released) COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS Plate 36 Plate 37 Variation in flank tubercles of Phyllurus spp. A. Phyllurus salebrosus J22288, J8377, J2879 B. P. platurus R 10220, R 10387 C. P. caudiannulatus J22287 D. P. cornutus R261 19, R 12935, R2126, R4769, R261 18, J2934, J5690, A233 COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS Plate 37 Plate 38 Variation in original tails of Phyllurus spp. A. Phyllurus caudiannulatus J22286, J2541 1 B. P. salebrosus J4474, J8142 C. P. platurus R10387, R9274, R27324, R19084, R3793 D. P. cornutus J8075, J8099, R12935, J8359 COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS Plate 38 Plate 39 Variation in regenerated tails of Phyllurus spp. A. Phyllurus caudiannulatus J22287 B. P. salebrosus J22288, J8377 C. P.platurus R4814, R 10220, R28308, R 11621, R6284, R8253 D. P. cornutus J5690, R2409, A233, R4769, R26117 COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS Plate 39 Plate 40 Throats of Phyllurus spp. A. Phyllurus caudiannulatus J 1 5619, J22286 B. P. salebrosus J22288 C. P. cornutus R11375 D. P. platurus R4814, R28308 COVACEVICH: A REVIEW OF THE GENUS PHYLLURUS Plate 40 Mem. QdMus. 17 ( 2 ): 305-10, pi. 41. [1975] THE DISTRIBUTION OF THE CANE TOAD, BUFO MARINUS , IN AUSTRALIA AND ITS EFFECTS ON INDIGENOUS VERTEBRATES J. COVACEVICH and M. Archer Queensland Museum ABSTRACT Bufo marinus was released in cane growing districts of Bundaberg, Mackay, and northeastern Queensland in 1935 and 1936. At present this species occurs in eastern Queensland and northeastern N.S.W. between Coen and Ballina, across Cape York Peninsula south of Coen, and widely in northwestern Queensland. It is highly toxic to several native vertebrates and the results of mouthing or ingestion of Bufo marinus by thirty-three native species are summarised. Bufo marinus occurs naturally in North and South America between southern Texas and cen- tral Argentina (Mungomery 1936, p. 72). It has been used as a biological control of insects, snails and rats (Honegger 1970, p. 453) and has been in- troduced to southern Florida and Louisiana, most islands of the Caribbean, Hawaii, and many western Pacific islands. A consignment of Bufo marinus from Hawaii was released in sugar cane growing districts of northeastern Queensland in June, 1935’ . . . giving definite promise of yielding some permanent measure of relief in many of the (cane growing) areas stricken by ‘white grubs’ (larvae of the Grey back Beetle, Dermolepida albohirtum Waterhouse and the Frenchi Beetle, Lepidiota frenchi Blackburn) . . .’ (Mungomery 1936, p. 63). In late 1935 the introduction of the species beyond the Cairns-Tully area, northeastern Queensland was banned briefly but B. marinus was soon released in other sugar cane growing districts between Mossman, northeastern Queensland and Isis, southeastern Queensland (Mungomery 1937, p. 12). Although some local protests were made prior to the introduction of Bufo marinus into Australia, it was not until 1938 that doubts about the wisdom of this introduction were published. Kinghorn (1938, p. 411) suggested that . . it would . . . have been wiser to postpone liberation of the toads until more searching inquiries . . . had been made.’. Such caution was countered by other views and it was seriously suggested that B. mari- nus should be protected to enable it to adapt to its new environment and control insects, especially pests to sugar cane, as planned. By 1941 it was apparent that the role B. marinus was playing in controlling Greyback and Frenchi Beetles in Queensland was a minor one. Greyback Beetles are only rarely in contact with the ground (and hence with B. marinus ). Contact occurs when a few adults fall from trees after mating, or when females move into cane fields to oviposit. B. mari- nus does not frequent the cane fields at the time of the Frenchi Beetles flights owing to lack of cover in the fields. In early 1974, following repeated press reports of the spread and potential danger of Bufo marinus , we decided to examine the distribution of this animal and some of its effects on the native fauna. Our own observations were supplemented with information gathered from associates, veterin- arians, and the return of 2,500 circulars sent, with the cooperation of the Department of Education, to Primary Schools, Secondary Schools, and Prim- ary Correspondence Schools. Other circulars were distributed through the National Parks Branch of the Forestry Department. DISTRIBUTION The present known distribution of Bufo marinus in Queensland and northeastern New South Wales is shown in Fig. 1 . Circulars reporting the presence of B. marinus in particular areas were assessed with regard to the possibility of identity confusion with the native Giant Burrowing Frog, Cyclorana aus- 306 MEMOIRS OF THE QUEENSLAND MUSEUM Fig. 1: Distribution of Bufo marinus in Queensland. COVACEVICH AND ARCHER: DISTRIBUTION OF THE CANE TOAD 307 trails, which is a large species known as a ‘toad’ in many western areas of Queensland. This assess- ment has resulted in the reliability line in Fig. 1. Without specimens to confirm extreme western reports of Bufo marinus , we assume these reports probably refer to Cycloranci australis. Bufo marinus and Cyclorana australis are compared in Plate 41. Small numbers of the species have recently been released accidently (‘Time’, August 5th, 1974) in the Northern Territory (Darwin) and in Western Australia (Perth). It is not yet known whether these unfortunate introductions will result in the estab- lishment of B. marinus in these areas. It is probable that the spread of B. marinus as shown in Fig. 1 was aided by accidental or deliberate transportation by humans. It was used by medical practitioners in pregnancy tests, and was believed to eradicate many species of insects and snakes. Many universities use these animals in large numbers, importing them into areas where they have not yet been established. Private col- lectors also maintain live B. marinus in many cities. Reports of deliberate introductions of B. marinus to Nambour SE. Q., Fraser Island SE. Q., and Normanton NW.Q. have been received although most correspondents could provide no information on how or when the species first appeared in their areas. The precise factors controlling the spread of B. marinus are not understood. There can be no doubt, however, that temperature, water, food, and availability of shelter, especially during dry periods, are controlling factors. Straughan (1966, p. 230) reports that mating will not occur unless the water temperature reaches 25-6° C. There is no information about minimal water temperature requirements to enable B. marinus tadpoles to develop to the stage of metamorphosis but this normally occurs in water 25-6° C and above. The success of B. marinus in establishing itself in Australia is attributable to its adaptability, re- silience, high breeding potential, and relative freedom from predators. It has been found in every vegetation zone excluding very high altitude closed forests and extremely arid districts of the far west. Specimens have been observed recently in the following varied habitats — frontal dunes of ocean beaches (Mon Repos, via Bundaberg, SE.Q.; Walker Bay, via Cooktown, NE.Q.); the inland border of coastal mangroves (Amos Bay, via Cooktown); highly acidic areas of coastal wallum (Cooloola, SE.Q.); Melaleuca swamps (Cook- town, NE.Q.); open grassland (Marina Plains, near Princess Charlotte Bay, NE.Q.); open sclerophyll forest (Lily Creek, via Cooktown and Mt. Molloy, NE.Q.); highland closed forest (Mt. Glorious, SE.Q. and Dawes range, ME.Q.); dry, sparse open plains adjoining Mitchell and Mor- eland Rivers, N.Q.; wet or dry creek beds, and towns and cities between Cooktown, NE.Q. and Ballina, NE.N.S.W. Almost any water is used by B. marinus for egg deposition and fertilization. Queensland Museum slide MF321 shows a pair in amplexus and a string of freshly laid eggs in the salt water of Rainbow Beach, Cooloola, SE.Q. No data is available on the survival potential of such eggs but eggs, tadpoles, and newly metamorphosed young have been observed on a tidal flat at Amos Bay, 30km S. of Cooktown (J.C. early 1973; January, 1974). Here water from heavy rain drains across the flat and accumulates in tyre tracks. The whole flat is regularly covered in salt water. B. marinus has apparently used the hot, shallow, slightly brackish pools to breed successfully in great numbers although adults have been seen only rarely in the surrounding area. Schultze-Westrum (1970, p. 37) has reported the ability of B. marinus in New Guinea to breed in brackish water and to survive water temperatures of 40 °C in the larval stage. Straughan (1966, p. 230) notes that B. marinus will utilize ‘. . . any waterhole, transient pool, ditch, or sluggish creek backwater . . irrespective of whether the water is clear or muddy, whether water weeds are present or absent, and whether the substrate is of sand, mud or rock. This remarkable adaptability as far as breeding sites is concerned contrasts sharply with the habits of many species of native frogs which are highly selective in their choice of breeding sites. The high breeding rate of B. marinus has also assisted its spread in Queensland. J.H.B. (1936, p. 25) reported the production of 125,000 eggs by nine females in one morning and notes that females may breed more than once in a season. At Barrett’s Lagoon 8 km west of Cooktown, NE.Q., at the height of the breeding season in 1970, the shallow edges of the lagoon appeared to be ‘alive’ with pairs of B. marinus in amplexus for several successive nights. Many of the millions of eggs produced in such permanent water presumably develop, metamorphose, and grow to adulthood because they have few predators. In some areas (e.g. Endeavour R., Cooktown, NE.Q.) teeming thousands of newly metamorphosed B. marinus have been observed leaving the water and gradually moving into the shelter of grass or flood debris on the banks. Similarly, its catholic choice of shelter sites indicates that this requirement for establishment is only a minor one. We have seen or collected B. marinus from shallow depressions, in logs, drain 308 MEMOIRS OF THE QUEENSLAND MUSEUM pipes, debris, hollows at ends of well constructed burrows (greater than 25cm deep) in soft stony and clayey soils, under cement slabs, rocks, and sheets of roofing iron. Presumably by using these shelters they are able to survive prolonged hot and dry periods in areas of relatively low rainfall (e.g. Laura, Charters Towers, and Mt. Garnet). The remarkable endurance of B. marinus to extremes of temperature is demonstrated by individuals which were observed moving slowly away from a bushfire, having survived massive burning (D. Crossman, pers. comm.). B. marinus also exhibits catholic food habits. Several studies have shown that the major part of the diet of B. marinus in Queensland is insects, largely beetles (Mungomery 1936, pp. 63-74; Straughan 1966, p. 322; van Tets and Vestjens 1973, p. 52) but survey circulars indicate that small snakes of several species (including Amphiesma mairii ), lizards, and frogs are also eaten and recently a small marsupial ( Planigale maculata) was found in the gut of a toad collected near Samford, SE.Q. (C. Limpus, pers. comm.). These tastes, which include its only known common predator (Amphiesma mairii), ensure a food supply for B. marinus in any Australian habitat where cold or extreme aridity do not prevent its survival. Another adaptation facilitating the spread of B. marinus is its relative freedom from predation. With the possible exception of the freshwater Snake (Amphiesma mairii), which has been re- ported as eating young B. marinus regularly (Lyon 1973, p. 4) and observed eating tadpoles, B. marinus has no major predators in Australia. It is a highly toxic species (Meyer and Linde 1971, p. 522). The bulk of the venom is contained in the parotid glands and the skin but much of the remainder of the animal is also apparently toxic to Australian vertebrates. EFFECTS ON ENDEMIC VERTEBRATES The effect B. marinus has had on endemic vertebrates since its introduction forty years ago cannot be assessed in detail from the data presented here and may never be completely known because little information is available on species pop- ulations before 1935 and because so many other possibly detrimental changes have taken place in the environment since B. marinus was introduced. Schultze-Westrum (1970, p. 37) in reviewing the effects of B. marinus on native New Guinean vertebrates has examined its detrimental effects in terms of (1) predation, (2) food competition, (3) competition for resting places. Many of the reports of predation upon toads are inconclusive because the subsequent fate of the predator was not or could not be determined. In the case noted of the Western Native Cat ( Dasyurus geoffroii), death was not immediate, and it is conceivable that such a predator could be seen to attack a toad, and leave without apparent upset. There is no substantiated evidence that any ende- mic mammal can prey successfully upon B. marinus. We regard B. marinus as a potential threat to the existence of some terrestrial endemic predators such as frog-eating snakes and native cats (Dasyurus spp.) with which it is sympatric. One of us (M.A.) kept a Western Native Cat (Dasyurus geoffroii) in captivity for three years. During this time it was never observed to hesitate in attacking any small vertebrate. Although it often exhibited caution in the method of killing these prey, it never hesitated to bite. It was the result of a single bite (an accidental encounter) on an individual B. marinus that caused its death. We have no reason to believe that other individuals of Dasyurus spp. would behave any differently if confronted by a toad. It is of interest to note that the only recent undoubted reports of the common occurrence of D. viverin- nus and D. maculatus coming to the attention of the Queensland Museum are from areas where toads are known not to occur (e.g. the Lamington Plateau and the Wyberba district near Stanthorpe). Predation by toads on some native vertebrates is noted above. The instance of a whole Planigale maculata being found in the stomach of a B. marinus is not a positive indication of predation. The toad may conceivably have found the animal dead. However, considering that B. marinus nor- mally (we have no evidence to the contrary) eats live prey, this record strongly suggests predation. Competition involving toads concerns food and living space. It is now common, when searching for reptiles and small mammals in some areas of eastern Queensland, to find only B. marinus, sometimes in groups, in niches occupied by small native vertebrates in adjoining toad-free areas. B. marinus is probably the most common small vertebrate in eastern Queensland and apparently survives where native vertebrates cannot. In late 1973 a search for reptiles on a small island in the partly constructed North Pine Dam near Petrie, southeastern Queensland, was unsuccessful. With the exception of a single Litoria fallax there were no native vertebrates on the island. Every log and grass-shaded depression housed num- erous adult and young B. marinus all of which appeared to be in excellent condition. Com- petition for and domination of breeding grounds have probably* been instrumental in reducing populations of some native frogs along with COVACEVICH AND ARCHER: DISTRIBUTION OF THE CANE TOAD 309 clearing of habitats. Reports of the disap- pearance of certain species of frogs ( Limnodyn- astes peroni) and snakes ( Pseudechis por - phyriacus, Acanthophis antarcticus, and Pseu- donaja textilis) following the arrival of B. marinus in several areas are too numerous to be ignored although it is impossible to prove B. marinus responsible. Effects of Mouthing or Ingesting B. marinus Kuhlia rupestris (Jungle Perch) Ingesting; no ill effects. (Remains of B , marinus found in gut; observed feeding, Daintree R., NE.Q., — J. Grimes, pers. comm.) ‘Jew (= Cat) Fish’* Ingesting eggs, young; no ill effects. ‘Eel’ (probably Anguilla sp.)* Ingesting eggs, young; no ill effects. (Populations reported to have been affected adversely initially.) ‘Perch’* Ingesting eggs, young; no ill effects. Chelodina sp. (Long-necked Tortoise) Ingesting; no ill effects. (Specimen observed feeding on dead B. marinus, Gunn et. al. 1972, p. 1 10.) Egernia bungana (Land Mullet) Mouthing; death. (B. marinus entered cage and was apparently bitten on hind leg- R. Latcham. pers. comm.) Varanus spp, (Goannas) Ingesting whole; death. ( Varanus populations re- ported repeatedly to have declined in numbers. Captive specimen died within a few minutes — P. Douglas, pers. comm.) Crocodilus porosus (Estuarine Crocodile) Mouthing whole; no ill effects. (One 2m wild specimen found near Edward R,, NW.Q. with B. marinus in mouth; B. marinus released when specimen captured — J. Bredl, pers. comm.) Ingesting whole; no ill effects. (Hungry captive specimens have eaten many B. marinus reluctantly on several occasions; well-fed specimens refused them — C. Tanner, pers. comm.) Carpet Snake' (probably Morelia spilotes variegaia)* Ingesting whole; effects not reported. (Reported frequently, but doubtful because M. spilotes variegata is normally a mammal and bird eater.) ‘Black-headed Python’ (probably Aspidites melano- cephalus)* Ingesting whole; effects not reported. (Doubtful, normally a reptile and mammal eater.) Stegonotus cucullatus (Slatey Grey Snake) Mouthing whole; death. (One specimen found dead with B. marinus only partly ingested, near Cairns, NE.Q. C. Tanner, pers. comm.) Amphiesma mairii (Common Keelback) Ingesting eggs, tadpoles, young; no ill effects. (Lyon 1973, p. 4. A. mairii thrives in captivity on diet of B. marinus — C. Tanner, pers. comm. Only species known to utilize B. marinus regularly as food source.) ‘Green Grass Snake’ (probably Green Tree Snake, Dendrelaphis punctulatus ) Ingesting tadpoles, young; no ill effects. (Captive specimen — R. Latcham, pers. comm.) Boiga irregularis (Brown Tree Snake) Ingesting whole, whole minus skin; death. (Two adult specimens were force-fed on B. marinus minced whole and minus skin; both died overnight — C. Tanner, pers. comm.) Pseudechis porphyriacus (Red-bellied Black Snake) Ingesting whole; death. (Populations reported re- peatedly to have declined in several areas since arrival of B. marinus ; Covacevich, 1974, p. 23.) Acanthophis antarcticus (Death Adder) Mouthing; death. Ingesting; death. (Two adults found dead with B. marinus partly ingested, Deighton R., NE.Q. — F. Woolston, pers. comm. Populations reported to have declined since arrival of B. marinus ; Shipton’s Flat, via Cooktown, NE.Q. — J. Roberts, pers. comm.; Mt. Molloy, NE.Q. — F. Little, pers. comm.) Pseudonaja textilis (Brown Snake) Ingesting; death. (Dead adult found in Bauple State Forest, SE.Q., with B. marinus in gut. — D. Crossman, pers. comm. Young P. textilis from Mclvor R., NE.Q. refused young B. marinus in cap- tivity. Populations reported to have declined in some areas following arrival of B. marinus, Mclvor R.. NE.Q., — C. Tanner pers. comm.) Notechis scutatus (Tiger Snake) Mouthing; death. Ingesting; death. (J24594 captive juvenile, died suddenly with B. marinus only partly ingested. Clutch of approximately 30 captive young were fed young B. marinus ; all died overnight, some with 2 B. marinus in gut but most with only 1 partly ingested — C. Tanner, pers. comm.) 'Ducks’* Ingesting young; no ill effects. (Domestic ducks not affected according to survey reports and fowls reported with no ill effects following ingestion. No indication of whether ducks are native or domestic.) ‘Ibis’* Ingesting intestine only; no ill effects. ‘Crane’* Ingesting; no effects reported. ‘Swamp Hen’* Ingesting tongue only; no ill-effects. ‘Pheasant’* Ingesting young; no ill effects. Corvus sp. (Crow) Mouthing; death. Ingesting stomach, tongue, old road killed speci- mens; no ill effects. Frauca, 1974, p. 1 12-4. (Pet Corvus sp. died suddenly after pecking B. marinus — R. Lat- cham, pers. comm. Two circulars report the eating of B. marinus tongues and stomachs; many report pecking at old road-kills.) Dacelo gigas (Kookaburra) Mouthing; death. Ingesting freshly killed young adults; no im- 310 MEMOIRS OF THE QUEENSLAND MUSEUM mediate ill effects. (015549, D. gigas with B. marinus in mouth found dead with no apparent injuries on roadside, Woodgate State Forest, SE.Q. Young freshly killed adult B. marinus consumed readily by D. gigas at Mt. Nebo, SE.Q. — F. Dale, pers. comm.) ‘Owl’* Ingesting tongue only; no ill effects. Podargus strigoides (Tawny Frogmouth) Ingesting; no ill effects. (Filmer 1974, p. 2). ‘Kite Hawk’* Ingesting; no ill effects. (Observed following tractor and eating disturbed B. marinus.) ‘Whistling Kite’* Ingesting gut only; no ill effects. Koel Ingesting gut only; no ill effects. (Cassels 1970, p. 16). Hydromys chrysogaster (Water Rat) Ingesting possibly stomachs only; no ill effects. (Carcasses of B. marinus minus stomachs have been found in several areas along river banks. H. chrysogas- ter believed to be predator along Endeavour R., NE.Q. — C. Tanner, pers. comm.; many survey re- ports.) Dasyurus geoffroii (Western Native Cat) Mouthing; death. (Captive individual observed to bite B. marinus and drop it. Panting, rapid pulse, tetanic contractions, convulsions, and death in 30 minutes.) Sarcophiius harrisii (Tasmanian Devil) Mouthing; death. (Captive specimen — P. Doug- las, pers. comm.) * Reported only in survey circulars. DISCUSSION B. marinus has not eradicated the pests it was introduced to control; it is still actively spreading in Australia, and it is not clear what limiting factors will eventually control this spread. It has a deleterious effect on some native vertebrate fauna, which may result in the regional extinction of native terrestrial predators, although several spec- ies can apparently ingest B. marinus or its remains without ill effects. At present there is no effective biological control of the species here despite the fact that the snake Amphiesma mairii regularly consumes B. marinus larvae and young and is common in many of the areas supporting B. marinus. Prolonged cold temperatures and frost and, to a lesser extent, dryness may restrict its spread much further into inland Queensland and southern New South Wales. While B. marinus has thrived in all the areas to which it has been introduced, there are no records of successful large scale eradications. ACKNOWLEDGMENTS This report has been compiled with the assis- tance of the Queensland Departments of Educ- ation and of Forestry, and of L. Bird, C. Cameron, Dr H. Cogger, D. Crossman, D. Dale, P. Douglas, C. Farlow, D. Fleay, J. Grimes, R. Gunson, A. Hall, R. Hobson, J. Hodge, J. Hutchings, G. Ingram, A. Jeffries, R. Latchan, C. Limpus, F. Little, B. Lyon, K. McDonald, C. Morris, E. Reye, J. Roberts, R. Roberts, C. Tanner, M. Tyler, E. Wagner, J. Winter, F. Woolston. Bruce Campbell has given helpful advice on the manuscript. Sue Hiley drew the distribution map and Allan Easton took the photographs. LITERATURE CITED B , J. H., 1936. How frequently do toads produce eggs? Cane Gr. quart. Bull., July 1st, p. 25. Cassels, M., 1970. Another predator on the Cane Toad. Nth. Qd Nat. 37(151): 6. Covacevich, J., 1974. An unusual aggregation of snakes following major flooding in the Ipswich-Brisbane area, south-eastern Queensland. Herpetofaunal (1): 21-4. Filmer, I., 1974. Bird Notes. Queensland Ornithological Newsletter 5 (7): 2. Frauca, H., 1974. Crows, Channel-bill Cuckoos and Cane Toads. Aust. Birdlife 1 (6): 1 12-4. Gunn, R. H„ Galloway, R. W., Walker, J., Nix, H. A., McAlpine, J, R., and Richardson, D. P., 1972. ‘Shoalwater Bay Area, Queensland’. Technical Memorandum 72/10 (CSIRO Division of Land Research: Canberra). Honegger, R., 1970. Eine Krote erobert die Welt Natur u. Mus. 100 : 447-53. Kinghorn, J. R., 1938. The Giant Toad Bufo marinus in Australia. Aust. Mus. Mag., Dec. 31st, pp. 410-1. Lyon, B., 1973. Observations on the Common Keelback Snake, Natrix mairii in Brisbane, south-eastern Queensland. Herpetofauna 6(1): 2-5. Meyer, K., and Linde, H., 1971. Collection of toad venoms and chemistry of the toad venom steroids. In ‘Venomous Animals and their Venoms. W. Bucherl and E. E. Buckley, (Eds)., Vol. 2, Ch. 40, (Academic Press: New York). Mungomery, R. W., 1936. A survey of the feeding habits of the giant toad, ( Bufo marinus L), and notes on its progress since its introduction into Queensland. Proc. Qd Soc. Sug. Cane Tech. 1936 : 63-74. 1937. The present situation regarding the giant Amer- ican toad in Queensland. Cane Gr. quart. Bull. 5: 12. Schultze-Westrum, T. G., 1970. ‘Conservation in Papua and New Guinea.’ Final Report on the 1970 World Wildlife Fund Mission. 46 pp. Straughan, I. R., 1966. The natural history of the ‘Cane Toad’ in Queensland. Aust. Nat. Hist. 15 (7): 230-2. Van Tets, G. F., and Vestjens, W. J. M., 1973. ‘Birds and their food at Mackay airport, Queensland.’ Div. Widl. Res. Tech. Mem. No. 8 (CSIRO: Canberra). Plate 41 Fig. A: Bufo marinus (Brisbane) Fig. B: Cyclorano australis (Cooktown) COVACEVICH AND ARCHER: DISTRIBUTION OF THE CANE TOAD Plate 41 Mem. QdMus. 17 ( 2 ): 313-18. [1975] THE WOLF SPIDERS OF AUSTRALIA (ARANEAE: LYCOSIDAE): 5. TWO NEW SPECIES OF THE BICOLOR GROUP R. J. McKay Queensland Museum ABSTRACT Two new species Lycosa snelli and Lycosa duracki from north Western Australia are added to the bicolor group of Australian Wolf Spiders. McKay (1973) defined the ‘bicolor group’ of lycosid spiders as being similar in coloration, form of epigynum, and internal genitalia. Two new species found on open gravel areas in the Pilbara and Kimberley regions of Western Australia are described and are placed in the bicolor group of species. The concept of this species group was originally morphological in nature, but the species are also characterised by a number of behavioural and ecological parameters. An expanded definition of the bicolor group can be given: 1. The carapace is uniformly coloured and lacks median or lateral stripes. 2. All species are robust with heavy legs and well developed eyes. 3. The female epigynum and internal genitalia are similar in morphology in all species (McKay 1973, figs. 2, 3). 4. Capture of prey is made at the burrow entrance and females rarely if ever leave the immediate vicinity of the burrow; the char- acteristic positions are: straddling above, straddling to one side with a leg in contact, or draping over the mouth of the burrow. All species rapidly retreat into the burrow when disturbed, and appear highly sensitive to ground vibrations or movement. 5. The burrow is usually vertical with an open entrance flush with the soil surface; more rarely closed with a pebble, a silk and sand- grain lid, or a well constructed hinged door. 6. The habitat is always open, largely un- vegetated areas, with compact soils, usually in arid or semi-arid regions. In most details these spiders agree well with the American species of the genus Geolycosa. Their behaviour is remarkably similar (see Kaston 1948, p. 316). All the American species lack dorsal spines on tibia 4 of females, this is considered by most authors to be important in the diagnosis of the genus Geolycosa. 1 + 1 dorsal spines are present on tibia 4 of females of Australian species as on the males of Australian and American Geolycosa, so the generic significance of such spines is open to doubt. The genus Geolycosa can be defined by using behavioural data, but not yet in a completely satisfactory manner by using morphological char- acters. A redefinition of the genus Geolycosa is considered to be premature at this stage of our knowledge of the Australian Lycosinae. The male palpal organs of Lycosa snelli and Lycosa duracki have been figured but the structure of the palpal organs of other members of the bicolor group is unknown. I have placed these new species in the older genus Lycosa pending a generic revision of the Australian lycosid spiders. Lycosa snelli sp. nov. (Figs. 1 a-g) Material Examined Holotype: Western Australian Museum, WAM 69-797, $ M, C.L. 12 0 mm, Towera Station, north of Lyndon River, W.A., collected by Mr A. Snell, January, 1952. In spirit. Paratypes: Western Australia; Barradale 18 km south, 29.V.1972, RJM, 1 $ P, 1 2 > 4 > 1; inner and outer palmar tubercles small but distinct. Large flange along inside edge of second finger. Hind limbs short; toes cylindrical, with small tubercles at proximal joints; toes in decreasing order of length are4>3>5>2> 1; inner metatarsal tubercle small and at base of first toe; no outer metatarsal tubercle. Skin smooth. Dimensions: SV 25 0; TL 110; HW 81; EN 2 0; IN 2-9; TL/SV - 0-44; HW/SV = 0-32; EN/IN = 0-70. Colouration in life: On body, dorsal surface bright purplish-red (Pompeian red of Ridgway 336 MEMOIRS OF THE QUEENSLAND MUSEUM 1912), with two black (Dull violet black of Ridgway) V-shaped markings on back originating medially, and extending posteriorly towards in-* guinal regions; lips edged yellow, with fine black barring; heavy black band extends from nostrils to eye, and from eye towards arm; black patch on lateral surface between arm and leg; ventral surfaces bright yellow (Strontian yellow of Ridg- way), with an extensive diffuse red patch on throat; cloaca, inguinal and axillary regions yellow. On forelimbs, dorsal surface black with yellow round base of arm; ventral surface yellow; palm brown and fingers yellow with black bands on third and fourth. On hindlimb, dorsal surface black; ventral surface yellow; posterior surface of tarsus and sole of foot black. In alcohol all yellow regions have turned white. Variation Female paratypes (AM R38194, NMV D33826, QM J23945) do not differ much from holotype in dimensions and proportions: SV 23-8-25-4 (mean 24-5); TL 9-8-10-4 (10 0); HW 8-6-9 2 (8-8); EN 1 -8—1 -9 (1-9); IN 2-8-31 (2-9); TL/SV 0-34-0-43 (0-39); HW/SV 0-36-0-39 (0-38); EN/IN 0-61-0-68 (0-64). Dimensions of male paratypes are similar to those of females: SV 23-8-29-9 (26 2); TL 9 9-119 (10-8); HW 7 8-9-9 (9 0); EN 1 -6-2-2 (19); IN 2 6-3-4 (3-0); TL/SV 0-38-0-44 (0-41); HW/SV 0-31 0 39 (0-34); EN/IN 0-53-0-74 (0 63). In most specimens the vomerine series do not extend to the medial edges of the choanae. Males in breeding condition show extensive dark brown nuptial pads on the dorsal surfaces of the first fingers. (Fig. IB). Breeding females show flanges on second fingers, as in holotype (Fig. 1 A). Fingers of males in decreasing order of length are 3 > 2 = 4 > 1. The head stripe is variable in extent and intensity. The dorsal colouration varies from one extreme where the entire dorsal surface is bright red, to the other where the red is replaced by black. J22680 1 and J23945-6 have turned brown from preservation. In most individuals the red colouration on the throat is confined to a small diffuse patch, but in some the throat is entirely red and sharply delimited from the rest of the under-surface. Larval Morphology The following description applies to typical larvae in stages 31 to 33. Eight such larvae had total lengths between 1 6-6 and 19-0 mm (mean 18-0). The body is widest across the mid-region of the abdomen, and at this point it is slightly wider than deep. The snout is evenly rounded from both dorsal Fig. 1: A. Ventral view of hand of female in breeding condition (AM R38194). B. Ventral view of hand of breeding male. C. Ventral view of foot of female (AM R38194). (Scale line 5 mm). INGRAM AND CORBEN: A NEW SPECIES OF KYARRANUS 337 Fig. 2: A, Mouthparts of stage 31 larva. B, Lateral view of stage 31 larva (Scale line 5 mm). and lateral views. The nares are widely spaced, being positioned dorso-laterally in line with the eyes. They open in an antero-lateral direction. The eyes are dorso-lateral in position and variable (in diameter) from quite small to fairly large. The spiracle is sinistral, lateral in position and visible from above. It opens posteriorly and increases in diameter from the opening to the origin. The anal tube is median and quite prominent, opening well out from the body at the edge of the ventral fin. The mouth is antero-ventral in position and opens anteriorly. There is a single row of peripheral papillae around all but the upper median two- thirds of the disc where a partially involuted flap of skin forms a pocket (Fig. 2A). There are no labial tooth rows. In some specimens, the lower labium bears broken papillae-like ridges arranged some- what in rows. The curved beaks both have fine serrations. The upper beak is a little less massive than the lower. In preserved specimens, the dorsal surface is lightly pigmented, the density increasing over the brain and spinal cord regions and over parts of the intestinal mass. In lateral view, the pigment partly extends over the gill region and the intestinal mass. The ventral surface is clear. The dorsal surface of the tail musculature is lightly stippled over most of its length, the pigment decreasing posteriorly. Laterally it scatters over the anterior half of the musculature. The dorsal fin is sparsely stippled while the ventral fin is clear or with occasional flecks. The iris appears black. Field Notes Kyarranus kundagungan is a ground-dwelling frog of sub-tropical rainforest in mountainous areas. It is known only from very damp situations, particularly saturated leaf-litter and mud in soaks or small creek beds. In such sites, males call from water-filled cavities covered with rocks or leaf- litter. Calling takes place from late August to mid- February. Egg masses have been found in late November and early December. The foam mass resembles that described by Moore (1961) for K, loveridgei. The albumen is very wet and sticky with air bubbles mainly at the top and the large cream-coloured eggs concentrated at the bottom. The eggs are about 3T mm in diameter and are contained in individual jelly capsules of approximately 4 9 mm diameter. Tadpoles have been found in typical water-filled cavities, and groups of newly metamorphosed larvae in drier hollows. Juvenile frogs have been located in January and late August, the latter presumably being progeny from the previous season. Very young individuals are blackish with variable amounts of white speckling on the ventral surfaces. Vertebrates found synchronosympatric with K kundagungan were: Lechriodus ftetcheri, Mixophyes fasciolatus, M. balbus, Litoria pearsoni , Lamp- ropholis challengeri (Challenger Skink), Tropi- dechis carinatus (Rough-scaled Snake), and Melo- mys cervinipes (Mosaic-tailed Rat) at Cunningham’s Gap; Adelotus brevis , Lechriodus ftetcheri, Mixophyes fasciolatus, Litoria pearsoni, L. leseurii, and an undescribed Litoria belonging to the ewingi group, and Anomalopus truncatus at Teviot Falls; Adelotus brevis at Mistake Moun- tains. Comparison with other Species* Kyarranus kundagungan is markedly different from K. sphagnicolus and K. loveridgei in exhibiting the distinctive red, black and yellow colouration. Kyarranus sphagnicolus has a more rounded, wider head and longer tibia (TL/SV 0-45-0-50), the dorsal ground colouring is grey to reddish brown, the *Based on examination of 29 specimens of K. loveridgei in the Queensland Museum collections (from Lamington Plateau, 35 km S. of Boonah, and Mt. Warning) and 2 specimens of K. sphagnicolus (from Pt. Lookout). 338 MEMOIRS OF THE QUEENSLAND MUSEUM ventral surface white to brown and the throat darkly mottled. Breeding females have flanges on both first and second fingers. The call of K. sphagnicolus is described by Moore (1961) as a soft growl 4 gurr-r-r\ quite different from that of K. kundagungan , which is a deep guttural ‘ork\ It is difficult to distinguish between the calls of K. loveridgei and K. kundagungan. Kyarranus loveridgei and K. kundagungan are similar in shape, size and habitat. Kyarranus loveridgei has SV 21-7-30-2 (26-4), TL/SV 0-35-0-46 (0-41), HW/SV 0-31-0-39 (0-35) and EN /IN 0-50 0-83 (0-63). However, K. kundagungan is more robust and pear-shaped, and the canthus rostralis is usually less defined than that of K. loveridgei. The dorsal colouring of K. loveridgei is grey to brown, the ventral surface is whitish to grey with darker speckling, and the throat has brown mottling, while K. kundagungan has a dorsal ground colouring of bright red to black, the ventral surface is immaculate yellow, and the throat has a diffuse red patch or is completely red. Male K. loveridgei may be found calling from cavities anywhere on the forest floor, especially along creeks, whereas K. kundagungan is confined to wet patches in creeks and soaks. The cavities of K. loveridgei are smooth-walled, in moist earth, and contain no water. The eggs are placed in these, and the tadpoles when present, are in liquified jelly. (Moore, 1961, reports similar observations). The cavities of K. kundagungan are filled with water which can freely seep in and out, and in which the eggs are laid and the tadpoles swim during development. Moore (1961) suggests that K. loveridgei could lack nuptial pads, however breeding males of both it and K. kundagungan possess similar nuptial pads on the dorsal surfaces of the first fingers. Etymology The name kundagungan is derived from the words ‘kunda’, mountain, and ‘gungan’, frog, from the dialect of the Kabi tribe, that once lived in south-east Queensland. Distribution Currently known from Mistake Mountains (the type locality) in the north, south along the Great Dividing Range to Teviot Falls. DISCUSSION Spencer (1901) named Philoria frosti from Mt. Baw Baw, Victoria. Parker (1940) described Philo- ria loveridgei from the McPherson Range, SE. Queensland. Moore (1958) concluded that loverid- gei was generically distinct from P. frosti and referred the former and a new species (. sphagnicolus , from Pt. Lookout, near Ebor, New South Wales) to a new genus, Kyarranus. The status of Kyarranus has been the subject of controversy. The similarity between Kyarranus and Philoria in adult and larval morphology, and ecology has been commented on by several auth- ors. Brattstrom (1970) indicated his intention to synonymise these two genera, (a move which Watson and Martin, 1973, supported by evidence from life histories). However, Lynch (1971) con- sidered the two genera to be superficially similar, reflecting parallel adaptation to a montane en- vironment, and suggested that they represent the result of independent divergence from a Limnodynastes- like ancestor. Tyler (1972) re- cognised both genera when describing the superficial mandibular musculature and vocal sacs, and reviewing the phylogeny of Australo-Papuan leptodactylids. As currently recognised, Kyarranus consists of two species groups, one containing K. sphagnicolus, the other including K. loveridgei and K. kundagungan. These groups resemble each other considerably more than either resembles Philoria. The authors consider that with the data presently available it is best to recognise Kyarranus as a distinct genus. ACKNOWLEDGMENTS The authors express their sincere gratitude to M. Anstis of Penshurst, New South Wales, who contributed the section on larval morphology including the drawings and to M. J. Tyler (South Australian Museum) for his helpful suggestions and assistance in preparation of the manuscript. They also thank J, Covacevich (Queensland Museum), Dr D. S. Liem and Dr M. C. Bleakly for their help. Mr A. Easton of the Queensland Museum provided the photograph of the paratype. The Queensland Forestry Department issued the permit to collect in State Forests. Members of the ‘Wildlife Research Group’ (Queensland) assisted in the field and in typing the manuscript. LITERATURE CITED Brattstrom, B. J., 1970. Thermal acclimation in Australian amphibians. Comp. Biochem. Physiol. 35: 69-103. Littlejohn, M. J., 1963. The breeding biology of the baw baw frog, Philoria frosti Spencer. Proc. Linn. Soc. N.S. W. 88: 273-6. Lynch, J. D., 1971. Evolutionary relationships, os- teology, and zoogeography of leptodactyloid frogs. Univ. Kans. Mas. Nat. Hist., Publ. Misc. 53: 1-238. Moore, J. A., 1958. A new genus and species of INGRAM AND CORBEN: A NEW SPECIES OF KYARRANUS 339 leptodactylid frog from Australia. Amer. Mus. Novit. 1919 : 1-7. 1961. The frogs of eastern New South Wales. Bull. Amer. Mus. Nat. Hist. 121 : 149-386. Parker, H. W., 1940. The Australasian frogs of the family Leptodactylidae. Novit. Zool 42 : 1 106. Ridgway, R., 1912. ‘Colour Standards and Color Nomenclature’. (Author: Washington), Spencer, B., 1901. Two new species of frogs from Victoria. Proc. R. Soc. Vic. (new ser.) 13 : 175-8. Tyler, M. J., 1972. Superficial mandibular musculature, vocal sacs and the phylogeny of Australo-Papuan leptodactylid frogs. Rec. S. Aust. Mus. 16 : 1-20. Watson, G. F. and Martin, A. A., 1973. Life history, larval morphology and relationships of Australian leptodactylid frogs. Trans. R. Soc. S. Aust. 97: 33-45. Plate 42 Kyarranus kundagungan, live specimen, Cunningham’s Gap. INGRAM AND CORBEN: A NEW SPECIES OF KYARRANUS Plate 42 CONTENTS Page Bartholomai, Alan The genus Macropus Shaw (Marsupialia : Macropodidae) in the Upper Cainozoic deposits of Queensland .. .. . . . . . ■■ 195 Archer, M. Ningaui, a new genus of tiny dasvurids (Marsupialia) and two new species. N. timeaieyi and N. ride}, from arid Western Australia . . . . . . 237 Archlr, M. Abnormal dental development and its significance in dasyurids and other marsupials .. .. .. .. . . . • . . •• ..251 Jamieson. B. G. M. The genus Digaster (Megascolecidae: Oligochaeta) in Queensland .. .. 267 Covacevich, J. A review of the genus Phyllurus (Lacertilia: Gekkonidae) . . . . . . 293 Covacevich. J. and Archer, M The distribution of the Cane Toad, Bufo marinus , in Australia and its effects on indigenous vertebrates . . . . . . . . . . . . . . 305 McKay, R. J. The wolf spiders of Australia (Araneae: Lycosidae): 5. Two new species of the bicolor group . . .. .. .. .. ■■ . • •• ..313 McKay, R. J. The wolf spiders of Australia (Araneae: Lycosidae): 6. The leuckartii group 319 Vernon, D. P. and Martin. J. H. D. Birds of Moreton Island and adjacent waters .. .. .. .. .. 329 Ingram, G. and Corben, C. A new species of Kyarranus (Anura: Leptodactylidae) from Queensland, Australia . . . . • . • • ■ • ■ - ■ ■ • ■ ■ • 335