.rl t~ LIBRARY UNJVEBSrTY OF CALIFORNIA glVEft&IDi GEOLOGICAL S-JRVEY OF NEW JERSEY HENRY B 26. Lateral view, (x7i). (After Bagg.) Vincentown limesand. 877 GAUDRYINA PUPOIDES d'Orbigny, P- 197 27-29. Oral and two lateral views of recent individuals, (xis). (After Challenger Report.) BOUVINA TEXTILAROIDES (ReUSs),. p. 2OI 30-31. Oral and lateral views of a recent individual, (x35). (After Challenger Report.) PLEUROSTOMELLA SUBNODOSA (Reuss), p. 202 32. Lateral view of a recent individual, (x25). 33-34- Oral and lateral views of another recent individual, (x2S). (After Challenger Report.) LAGENA GIi). (After Bagg.) NODOSARIA NITIDA D'Orbigny, p. 214 14. Lateral view, (x?). (After Parker, Jones and Brady.) NODOSARIA WILLIAM si Bagg, p. 222 15-16. Lateral views and longitudinal section, (xig). (After Bagg.) Vincentown limesand, near Swedesboro. FRONDICULARIA ALATA (d'Orbigny), p. 225 17-18. Lateral and oral views of one recent individual, (x7^). 19. Lateral view of another individual, (xio). (All figures after Challenger Report.) FRONDICULARIA AUGUSTA (Nilsson) var. DIMIDIA Bagg, p. 225 20-21. Lateral view and longitudinal section, (xio^). (After Bagg.) Vincentown limesand, Vincentown. FRONDICULARIA ARCHIACIANA d'Orbigny var. STRIGILLATA Bagg, p. 226 22. Lateral view, (xg^). (After Bagg.) Vincentown limesand, Vincentown. FRONDICULARIA CLARKI Bagg, p. 227 23. Lateral view, (xs). (After Bagg.) Nave sink Marl, Atlantic Highlands. 881 NODOSARIA ZIPPEI ReUSS, p. 223 24. Lateral view of an aberrant form, (x3^). (After Bagg.) Hornerstown Marl, Blue Ball. LINGUUNA CARINATA d'Orbigny, p. 224 25-26. Oral and lateral views of a recent individual, (x3S). (After Challenger Report.) FRONDICULARIA MAJOR Bornemann, p. 229 27. Lateral view, (x6j/^). (After Bagg.) Vincentown limesand, Vincent own. FRONDICULARIA OVATA (Roemer), p. 229 28-29. Longitudinal section and lateral view, (x3V0. (After Bagg.) Vincentown limesand, Vincentown. FRONDICULARIA RETICULATA (Reuss), p. 230 30. Lateral view, (x24^). (After Bagg.) Navesink marl, Freehold. RHABDOGONIUM TRICARINATUM (d'Orbigny), p. 232 31-32. Oral and lateral views of one individual, (x37^). (After Challenger Report.) VAGINUUNA LEGUMEN (Linne), p. 234 33. Lateral view, (xi7). (After Bagg.) VAGINUUNA STRIGILLATA Reuss, p. 235 34. Lateral view, (x3). (After Ba.gg.) Navesink marl, Freehold. CRISTEU,ARIA ACUTAURICULARIS (Fichtel and Moll), p. 236 35-36. Lateral and front peripheral views of a recent individual, (x35). (After Challenger Report.) CRISTELLARIA ARTICULATA (Reuss), p. 237 37-38. Lateral and front peripheral views of a recent individual, (x8). (After Challenger Report.) CRISTELLARIA CASSIS (Fichtel and Moll), p. 237 39. Lateral view of a recent individual, (x3o). After Challenger Report.) 40. Lateral view of a Miocene specimen from California, (x4o). (After Bagg.) CRISTELLARIA CREPIDULA (Fichtel and Moll), p. 238 41-42. Oral and lateral views of a recent individual, (x3o). (After Challenger Report. PLATE II. FORAMINIFERA. EXPLANATION OF PLATE III. CRISTEUvARIA CRETACEA Bagg, P. 239 1-2. Lateral view and longitudinal section, (xs). (After Bagg.) Vincentown limesand, Vincentown. CRISTELLARIA CULTRATA (Montfort), p. 239 3. Lateral view, (xn). (After Bagg.) CRISTELLARIA GIBBA d'Orbigny, p. 240 4-5. Lateral and front peripheral views of a recent individual, (xi2H)- (After Challenger Report.) CRISTELLARIA ITALICA (Defrance), p. 241 6-7. Lateral and peripheral views, (x22^). (After Bagg.) Hornerstown marl. CRISTELEARIA MAMILUGERA Karrer, p. 242 8. Lateral view of a recent individual, (xio). (After Chal- lenger Report.) CRISTELLARIA MEGAPOLITANA (Reuss), p. 242 9-10. Lateral and front peripheral views (x?). (After Reuss.) CRISTELLARIA ROTULATA (Lamark), p. 243 11-12. Lateral and front peripheral views of a recent individual, (x6). (After Challenger Report.) CRISTELLARIA WETHERELLI (Jones) , p. 245 13. Lateral view of a recent individual, (xg). (After Challenger Report.) CRISTELLARIA PROJECTA Bagg, p. 243 14-15. Lateral view and longitudinal section, (xs). (After Bagg.) Vincentown limesand, Vincentown. FLABELLINA SAGITTARIA (Lea), p. 247 16-17. Lateral views of two individuals, (x2^). (After Bagg.) Vincentown limesand, Vincentown. POLYMORPHINA COM MUNIS d'Orbigny, p. 248 1 8. Lateral view, (xi8H). (After Bagg.) Vincentown limesand, Vincentown. POLYMORPHINA EMERSONI Bagg, p. 249 19. Lateral view, (xi6^). (After Bagg.) Navesink marl, Freehold. POLYMORPHIA COMPRESSA d'Orbigny, p. 248 20. Lateral view of an Eocene specimen from Maryland, (x2o). (After Maryland Geological Survey.) POLYMORPHINA GIBBA (d'Orbigny), p. 250 21. Lateral view of an Eocene specimen from Maryland, (x25). (After Maryland Geological Survey.) POI.YMORPHINA LACTEA (Walker and Jacob), p. 250 22. Lateral view of an Eocene specimen from Maryland, (x25). (After Maryland Geqlogical Survey.) 23. Lateral view of a recent specimen, (x25). (After Challenger Report) POLYMORPHINA LACTEA (Elongate variety) Brady, p. 251 24-25. Oral and lateral views of a recent individual, (x37^). (After Challenger Report.) POLYMORPHINA ORBiGNii (Zborzewski), p. 252 26. Lateral view of a recent individual, (x?). (After Parker, Jones and Brady.) POLYMORPHINA PROBLEMA (d'Orbigny), •. • p. 253 27-28. Lateral views of two recent individuals, (x2 and X3). (After Parker, Jones and Brady.) POLYMORPHINA REGULARS von Miinster, p. 253 29-31. Lateral views of two recent individuals, with an oral view of the smaller one, (x4). (After Parker, Jones and Brady.) GLOBIGERINA BULLOIDES d'Orbigny, p. 254 32-34. Upper, peripheral and lower views of a typical recent shell, (x2S). (After Challenger Report.) GLOBIGERINA BULLOIDES var. TRILOBA Reuss, p. 255 35. Upper view of a recent individual, (xso). (After Challenger Report.) PtATE III. « *, - • y 11 12 15 ft > '6 1T 18 30 21 19 22 23 29 20 24 25 31 27 32 33 34- ', ' K 35 FORAMINIFERA. EXPLANATION OF PLATE IV. DISCORBINA BERTHELOTI (d'Orbigny), p. 256 1-3. Upper, lower and peripheral views of a recent individual, (x45). (After Challenger Report.) TRUNCATULINA AKNERIANA (d'Orbigny), p. 257 4-6. Peripheral, lower and upper views of a recent individual, (X22J4). (After Challenger Report.) TRUNCATULINA HAIDINGERII (d'Orbigny), p. 257 7-9. Lower, upper and peripheral views of a recent individual, (xis). (After Challenger Report.) TRUNCATULINA LOBATULA (Walker and Jacob), p. 258 10-12. Peripheral, lower and upper views of a recent individual, (x3o). (After Challenger Report.) TRUNCATULINA REFULGENS (Montfort), p. 259 13-15. Upper, lower and peripheral views of a recent individual, (x3o). (After Challenger Report.) TRUNCATULINA UNGERIANA (d'Orbigny), p. 260 16-18. Upper, lower and peripheral views of a recent individual, (xi7j4). (After Challenger Report.) TRUNCATULINA WUELLERSTORFI (Schwager), p. 261 19-21. Upper, lower and peripheral views of a recent individual, (x25). (After Challenger Report.) ANOMALINA GROSSERUGOSA (Giimbel), p. 262 22. Lower lateral view, (x43). (After Bagg.) Cretaceous, New Jersey. 23-25. Upper, peripheral and under views of a recent individual, (x22^). (After Challenger Report.) ANOMALINA AMMONOIDES (Reuss), p. 261 26. Lower lateral view, (x35). (After Bagg.) Cretaceous, New Jersey. 27-29. Upper, lower and peripheral views of a recent individual, (x45). (After Challenger Report.) PULVINULINA KARSTENI (ReUSs), , p. 263 30-32. Upper, peripheral and lower views of a recent individual, (x25). (After Challenger Report.) PULVINULINA RETICULATA Reuss var. CARINATA Bagg, p. 265 33-34. Lower and upper views, (x26^). (After Bagg.) Navesink marl, Freehold. PLATE IV. 16 17 22 23 30 31 34 FORAMINIFERA. 2* PAL EXPLANATION OF PLATE V. FLABELLUM MORTONI Vaughan, p. 267 1-2. Views of two specimens from the broader side. 3-4. Two views of a third specimen. Manasquan Marl; near Fanningdale, (138). TROCHOCYATHUS WOOLMANI Vaughan, p. 268 5. Upright view of corallum of type specimen, (x4). 6. View of the calyx of the same, (xp). 7. Costse of another specimen much enlarged, (all figures after Vaughan). TROCHOCYATHUS CONOIDES (Gabb and Horn), p. 269 8-9. Two views of the same specimen. 10. View of another specimen. Man&squan Marl; near Fanningdale, (138). PARACYATHUS VAUGHANI n. sp., p. 270 11. An imperfect internal cast of Cucullaea showing the mould of the coral used as the type of this species. 12. Lateral view of one half of the same specimen when separated along the fracture shown in figure n. This view shows the great depth of the calyx. 13. Squeeze of the side opposite figure 12, taken from the same fractured specimen. This view shows the external mark- ings, and form of base. Navesink Marl; Mullica Hill, (169}. MICRABACIA AMERICANA Merk and Hayden, p. 271 14-15. Views of the impressions of the upper surface of two in- dividuals, (x2). , 16-17. Views of the impressions of the base of two individuals, (X2). Woodbury Clay; Lorillard, (102). BALANOPHYLLIA INAURIS Vaughan, p. 272 18-19. Views of two specimens. 20-21. Two views of a third specimen. 22. View of a fourth, very large specimen. Manasquan Marl; near Fanningdale, (138*). UNDETERMINED CORAL, 23. View of the single specimen observed. Navesink Marl; Mullica Hill, (169). UNDETERMINED CORAL, 24. View of a mould, the single specimen observed, (x2). Merchantville clay-marl ; near Matawan, (101). PLATE V. 23 20 ANTHOZOA. EXPLANATION OF PLATE VI. (Figures 2-7, 18-19 contributed by Dr. W. B. Clark; figures 8-17 after Clark.) RHIZOCRINUS CYUNDRICUS n. sp p. 275 i. Lateral view of a complete body, (x2). 2-7. Views from various sides of several column joints, probably belonging to this species, (enlarged). Vincentown limesand; Vincentown, (154). PENTACRINUS BRYANT Gabb, p. 276 8. End view of a detached column joint. 9. Lateral view of a portion of the column. Vincentown limesand; Vincentown. GONIASTER MAMMILATA Gabb, p. 277 10-16. Views from various sides of four different plates, (x2). 17. Surface of plate greatly magnified. Vincentown limesand; Vincentown. PENTACEROS ASPERULUS Clark n. sp., p. 278 18-19. Upper and side views of a plate, (enlarged). Vincentown limesand; Vincentown. 892 PLATE VI. 10 I 6 7 1 1 12 13 14- it* 15 16 c>< • 17 18 19 ECHINODERMATA. EXPLANATION OF PLATE VII. (Figures 3-13 after Clark.) CIDARIS SPLENDENS (Morton), p. 279 1-2. Two views of a nearly complete test. (Illustrations con- tributed by Dr. W. B. Clark.) 3. Portion of a test. 4. Interambulacral plate (x2). 5. Ambulacral area, highly magnified. 6. Tubercle, enlarged. 7. Spine. g. Base of spine much enlarged. 9. Articular surface of spine, much enlarged. Vincentown limesand; Vincentown. CIDARIS WALCOTTI Clark, p. 281 10. Portion of test, natural size. 11. Interambulacral plates, enlarged. 12. Ambulacral area, highly magnified. 13. Tubercle enlarged. Vincentou.ni limesand; Vincentown. 894 PLATE VII. 1 1 ECHINODERMATA. EXPLANATION OF PLATE VIII. (All figures after Clark.) SALENIA TUMIDULA Clark, p. 282 1-3. Dorsal, ventral and lateral views, of a complete individual, (X2). 4. Interambulacral area, (x4). 5. Single plate of interambulacral area, highly magnified. 6. Ambulacral area, highly magnified. 7. Apical disk, enlarged. 8. Genital plate, highly magnified. 9. Tubercle much enlarged. 10. Oral opening enlarged. Vinccntown lime sand j Vinccntown. SALENIA BELLULA Clark, p. 283 11-13. Dorsal, ventral and lateral views of a complete individual, (X2). 14. Three interambulacral plates, highly magnified. 15. Three ambulacral plates, highly magnified. 16. Apical disk, enlarged. 17. Tubercle, highly magnified. Vincentown limesand; Vincentown. 896 PLATE VIII. 12 ECHINODERMATA. EXPLANATION OF PLATE IX. (All figures after Clark.) PSEUDODIADEMA DIATRETUM (Morton), P. 285 1-2. Ventral and lateral views of a complete individual, (Figure I enlarged). 3. Two interambulacral plates, (x4). 4-5. Portions of the ambulacral area highly magnified. 6. Tubercle, much enlarged. Vincentotvn limesand; Vincentoivn. PSEUDODIADEMA SPECIOSUM Clark, p. 286 7-8. Dorsal and lateral views of a complete individual. 9. Upper portion of an interambulacral area, enlarged. 10. Three interambulacral plates, highly magnified. 11-12. Portions of the ambulacral area, highly magnified. 13. Tubercle of ambulacral area. 14. Tubercle of interambulacral area. Vincentown limesand; Vincentown. PLATE IX. 14 ECHINODERMATA. EXPLANATION OF PLATE X. (All figures after Clark.) PSAMMECHINUS CINGULATUS Clark, p. 288 1-3. Dorsal, ventral and lateral views of a complete individual. 4. Interambulacral area, enlarged. 5. Three interambulacral plates highly magnified. 6. Ambulacral area, enlarged. 7. Four ambulacral plates, highly magnified. 8. Oral opening, enlarged. 9. Tubercle, enlarged. Vine en town limcsand. 900 PI.ATE X. ECHINODERMATA. EXPLANATION OF PLATE XL (All figures after Clark.) TREMATOPYGUS CRUCIFERUS (Morton), p. 289 1-4. Dorsal, ventral, lateral and posterior views of a complete in- dividual. 5. Lower portion of the petaloid region of the right postero- lateral ambulacrum. 6. Much enlarged view of several of the same ambulacral plates. 7. Apical disk, enlarged. 8-9. Two views of a tubercle, from above and from the side. Vincenton.'n limesand; Timber Creek. CATOPYGUS OVIFORMIS Conrad, p. 291 10-13. Dorsal, ventral, lateral and posterior views of a complete individual. 14. Right postero-lateral ambulacrum, enlarged. 15. Several ambulacral plates, highly magnified. Vincentown limesand; Timber Creek. CATOPYGUS PUSILLUS Clark, p. 292 16-19. Dorsal, ventral, lateral and posterior views of a complete individual. Merchantville clay-marl. 902 PLATE XI. 17 ECHINODERMATA. EXPLANATION OF PLATE XII. CATOPYGUS WIUJAMSI Clark n. sp., p. 292 (Illustrations contributed by Dr. W. B. Clark.) 1-4. Ventral, dorsal, posterior and lateral views of a complete in- dividual. Navesink marl; bluff east of Atlantic Highlands. CASSIDUUJS AEQUOREUS Morton, p. 293 (All figures after Clark.) 5-8. Posterior, lateral, ventral and dorsal views of the type speci- men from Alabama. 9. Anterior ambulacrum enlarged. 10. Several ambulacral plates from the petaloid region, much enlarged. 11. Several ambulacral plates from the oral region. 12. Apical disk, much enlarged. limcsand. 904 PLATE XII. 3*PAI, ECHINODERMATA. EXPLANATION OF PLATE XIII. (All figures after Clark.) ANANCHYTES OVALIS Clark, p. 295 1-5. Lateral, anterior, ventral, dorsal and posterior views of a complete individual. 6. Apical disk, enlarged. 7. Several ambulacral plates, much enlarged. 8. Several interambulacral plates, much enlarged. Vincentov.'n limesand; Vincentoivn. CARDIASTER SMOCKI Clark n. sp., p. 298 (Illustrations contributed by Dr. W. B. Clark.) 9-11. Dorsal, lateral and ventral views, of the type specimen. Merchantville clay-marl. PLATE XIII. 6 v. 10 11 ECHINODERMATA. EXPLANATION OF PLATE XIV. (All figures after Clark.) CARDIASTER CINCTUS (Morton), p. 296 1-5. Dorsal, ventral, lateral, anterior and posterior views of a complete individual. 6. Basal portion of an ambulacral area, much enlarged. 7. Central portion of the petaloid region of an ambulacral area, much enlarged. 8. Apical disk, enlarged. wii limesand. 908 XIV. ECHINODERMATA. EXPLANATION OF PLATE XV. (All figures after Clark.) HEMIASTER PARASTATUS (Morton), p. 1-4. Dorsal, ventral, lateral and posterior views of a complete individual. 5. Anterior ambulacrum, enlarged. 6-7. Portions of the petaloid and basal regions of the anterior ambulacrum, much enlarged. 8. Several plates from the petaloid region of the right antero- lateral ambulacrum, much enlarged. 9. Three interambulacral plates with fasiole, enlarged. 10. Portion of fascicle, highly magnified. 11-12. Two views of a tubercle, from the side and from above. 13. Apical disk, enlarged. Vincent own limesand. 910 PLATE XV. ECHINODERMATA. EXPLANATION OF PLATE XVI. (All figures after Clark.) HEMIASTER STELLA (Morton), .... .............. ..................... p. 300 1-4. Dorsal, ventral, lateral and posterior views of a complete individual. Vincent own lime sand. UNGULA (Morton), ...................................... p. 301 5-8. Dorsal, ventral, lateral and posterior views of a complete individual. 9. Portion of the petaloid region of the right antero-latcral ambulacrum, much enlarged. 10. Portion of the petaloid region of the anterior ambulacrum, much enlarged. IT. Apical disk, enlarged. Vincentotvn liniesand. 912 PLATE XVI. 11 ECHINODERMATA. EXPLANATION OF PLATE XVII. (All illustrations contributed by Dr. W. B. Clark.) HEMIASTER KUMMELI Clark n. sp., p. 303 1-3. Dorsal, lateral and ventral views of the type specimen. Woodbury clay; Lorillard, (102}. HEMIASTER WELLERI Clark n. sp., p. 302 4-6. Dorsal, lateral and ventral views of the type specimen. Merchanti'ille clay-marl; near Jatncsburg, (141}. PLATE XVII. ECHINODERMATA. EXPLANATION OF PLATE XVIII. (All figures after Clark.) LINTHIA TUMIDUI.A Clark, p. 304 1-4. Dorsal, ventral, lateral and posterior views of a complete individual. 5. Upper portion of the anterior ambulacrum, enlarged. 6. Several plates from the petaloid region of the left postero- lateral ambulacrum, highly magnified. 7. Apical disk, enlarged. 8-9. Two views of a tubercle, from the side and from above. Vincentown limesand. 916 PLATE XVIII. ECHINODERMATA. EXPLANATION OF PLATE XIX. WORM BURROW, p. 311 1. View of an individual of average size. Tinton Beds; Beers Hill Cut, (/-?p8). SERPULA WHITFIELDI n. sp., p. 308 2. View of the type specimen, illustrated by Whitfield as Diplo- concha cretacea. Navesink Marl. HAMULUS ?? sp., p. 311 3. View of the internal cast. 4. View of a squeeze showing the external characters. Wenonah sand; near Crawfords Corner, (/p63). SERPULA CIRCULARIS n. sp., p. 307 5-6. Two views of the type specimen. Marshalltown clay-marl; near Swedesboro (/77). HAMULUS LINEATUS n. sp., p. 310 7. View of the specimen selected as type. Merchantville clay-marl; Lcnola, (/6y). SERPULA ROTULA (Morton), p. 308 8-9. A sinistral and dextral specimen from the upper surface. 10. A sinistral specimen from the under side, showing the point of attachment. Vincentown limesand; Vinccntown, (154}. HAMULUS FALCATUS (Conrad), p. 309 11-12. Views of two different individuals illustrated by Whitfield. Navesink marl. 918 PLATE XIX. VERMES. EXPLANATION OF PLATE XX. STOMATOPORA REGULARIS Gabb, ......................... ! .............. p .313 1-2. Two colonies growing upon Onychocclla digitata (Mort.), (X2). 3. A similar colony, (x8). Vincentown limesand; Vincentown, (154}. STOMATOPORA KUMMELI n. sp. Ulrich and Bassler, ..................... p. 314 4. The type specimen, (x2). Vincentown limesand, Vincentown, (.154). STOMATOPORA TEMNICHORDA Ulrich and Bassler n. sp., ................. p. 314 5. Drawing of the type specimen, (x24). 6. The same, (x4o). Vincentown limesand; Vincentown, BERENICEA AMERICANA Ulrich and Bassler n. sp., .......... . ........... p. 315 7. The type specimen, (x8). Vincentown limesand; Vincentown, (154). 920 PLATE XX. 4* PAL BRYOZOA. EXPLANATION OF PLATE XXI. DISCOSPARSA VARIANS Ulrich, ........................................ P- 315 1. An attached colony, (x2). 2. A free colony, (x4). Vincentown limesand; Vincentown, (154). DIASTOPORA LINEATA Gabb and Horn, ................................ p. 316 3-4. Views of two specimens, (x3). Vincentown limesand; Vincentown, RETICULIPORA DICHOTOMA Gabb and Horn, ............................ p. 318 5-9. Gabb and Horn's original figures. 10. Transverse section of a fragment, (x6), (after Ulrich). 1 1 -12. Upper and lower portions of figure 10 enlarged 20 times showing the tubes with a longitudinal direction in the lower part; above they gradually turn upward while at the top, fig. n, they are nearly at right angles to the length, (after Ulrich). 13. Portion of one side of a fragment, (x2o), (after Ulrich). 14. A broken gonicyst which was formed over a previous smaller cyst which remains intact, (xso), (after Ulrich). Vincentown limesand; Vincentown, (154). CRISINA STRIATOPORA Ulrich, .................... ..................... p. 319 15. The type specimen from the Miocene of Maryland, (x5*4)> (after Ulrich). 16. Upper surface of one of the branches of the same specimen, (after Ulrich). 17. Lateral view of the same, (x23), (after Ulrich). 18. Transverse section of one of the branches of the same, (xi7), (after Ulrich). 922 PLATE XXL BRYOZOA. EXPLANATION OF PLATE XXII. BISIDMONEA GABBIANA Ulrich and Bassler n. sp., p. 320 1-2. Views of two fragments, (xs). Vincent own limesand; Vincentown, (154)- IDMONEA ABBOTTI Gabb and Horn, p. 321 3-4. Views of two fragments, (x8). Vincentown limesand; Vincentown, (154). FIUSPARSA CONTORTILIS (Lonsdale), p. 322 5. View of the reverse side of a fragment, (x2). 6-7. Views of the celluliferous sides of two fragments, (x8). Vincentown limesand, Vincentown, (154). FIUSPARSA BIFURCATA Ulrich and Bassler n. sp., p. 322 8. View of the celluliferous side of the type specimen, (x8). Vincentown limesand; Vincentown, (154). ENTALOPHORA CONRADI Gabb and Horn, p. 323 9. View of the type specimen, much enlarged, (after Gabb and Horn). Vincentown limesand. SPIROPORA CALAMUS Gabb and Horn, : p. 324 10. View of the type specimen, much enlarged, (after Gabb and Horn). Vincentown limesand. CLAUSA AMERICANA Gabb and Horn, p. 325 11. View of a fragment of a colony, (x8). Vincentown limesand; Vincentown, (154). FlUFASCIGERA MEGAERA (Lonsdale), p. 325 12. View of a specimen natural size, seen encrusting another bryozoan. 13. View of a fragment much enlarged. 14-15. Two enlarged views showing details of structure. (All fig- ures after Gabb and Horn.) Vincentown limesand. DISCOCYTIS ECCENTRICA Ulrich and Bassler n. sp., p. 326 16-17. Lateral views of two colonies, (x2). 18. Upper view of a colony, (x4). 19. Under view of a colony, (x4). Vincentown limesand; Vincentown, (154). LICHENOPORA PAPYRACEA (d'Orbigny), p. 327 20. View of a complete zoarium attached to Onychocella digitata (Mort), (x8). Vincentown limesand; Vincentown, (154). 924 PLATE XXII. 20 BRYOZOA. EXPLANATION OF PLATE XXIII. HETEROPORA PARVICELLA (Gabb and Horn) , P- 327 1-2. Views of two fragments of zoaria, (x3). Vincentown lime sand; Vincentown, (154)- RETELEA OVAUS Gabb and Horn, P- 328 3. View of a fragment of a zoarium, natural size. 4. View of a celluliferous surface, much enlarged. (Both fig- ures after Gabb and Horn.) Vincentown limesand. FLUSTRELLA ? CAPISTRATA Gabb and Horn, P- 329 5. View of a fragment of a zoarium, much enlarged. 6. View of the basal expansion, much enlarged, described as Membranipora abortiva by Gabb and Horn. (Both fig- ures after Gabb and Horn). Vincentown limcsand. ONYCHOCELLA DIGITATA (Morton), . . . ., - P- 33o 7-10. Views of four fragments of zoaria, (x2). Vincentown limcsand; Vincentown, (154). BIFLUSTRA TORTA Gabb arid Horn, p. 331 11-12. Views of two fragments of zoaria, (x3). Vincentown limesand; Vincentown, (154)- BIFLUSTRA DISJUNCTA Gabb and Horn * p. 333 13. View of the celluliferous surface of a zoarium much en- larged. (After Gabb and Horn.) Vincentown limesand. AMPHEBLESTRUM HETEROPORA (Gabb and Horn), p. 333 14. Surface of zoarium, much enlarged. (After Gabb and Horn.) ' Vincentown limesand. 15. Surface of a zoarium from the Eocene, (x2o). (After Mary- land Geological Survey.) 16. View of a single zoecium more highly magnified. (After Maryland Geological Survey.) MEMBRANIPORA PLEBIA Gabb and Horn, P- 334 17. Surface of zoarium much enlarged. (After Gabb and Horn.) Vincentown limesand. MEMBRANIPORA ANNULOIDEA Ulrich and Bassler n. sp., p. 335 18. Surface of the zoarium, (x24). Vincentown limesand; Vincentown, (154}. 926 PLATE XXIII. 17 BRYOZOA. EXPLANATION OF PLATE XXIV. MEMBRANIPORA NEMATOPOROIDES Ulrich and Bassler n. sp., ............ p. 336 1-2. Fragments of two zoaria, (x8). Vincentown limesand; Vincentown, (154)- MEMBRANIPORA JERSEYENSIS Ulrich and Bassler n. sp., ................ p. 336 3. Surface of zoarium, (x24). Vincentown limesand; Vincentoivn, (154). MEMBRANIPORA PERAMPLA Gabb and Horn, ........................... P- 337 4. Surface of zoarium, (x2). Vincentown limesand; Vincentoivn, PYRIPORA IRREGULARIS Gabb and Horn, ............................... p. 337 5. View of a zoarium attached to another bryozoan, (x8). Vincentown limesand; Vincentown, (154). PLANICELLARIA OCULATA (D'Orbigny), ............................... p. 338 6-7. Views of two fragments of zoaria, (x8). Vincentown limesand; Vincentoivn, (154). PLANICELLARIA CYLINDRICA (Gabb and Horn), ....................... p. 339 8. View of a fragment of a zoarium, much enlarged. (After Gabb and Horn.) Vincentown limesand. ESCHARINEU.A Ai/riMURALis Ulrich and Bassler n. sp., ................ p. 339 9. Surface of zoarium, (x3). 10. Part of the surface of zoarium, (x24). Vincentown limesand; Vincentown, (154). CRIBRILINA SAGENA (Morton), ....................................... p. 34O n. View of a fragment of a zoarium, (x2). 12. Surface of the zoarium, much enlarged. (After Gabb and Horn.) Vincentown limesand; Vincentozvn, (154). MEMBRANIPORELLA ABBOTTI (Gabb and Horn), ........................ p. 342 13. Surface of zoarium, much enlarged. 14. Surface of zoarium described as Reptescharipora marginata by Gabb and Horn, much enlarged. (Both figures after Gabb and Horn.) Vincentown limesand. PLATE XXIV urn 14 12 BRYOZOA. EXPLANATION OF PLATE XXV. MEMBRANIPORELLA DISTANS (Gabb and Horn), p. 344 1. Surface of zoarium, much enlarged. (After Gabb and Horn.) Vincentown limcsand. R£PTESCHARELUNA PROUFERA Gabb and Horn, p. 346 2. Much enlarged surface of zoarium. (After Gabb and Horn.) Vincentown lime sand. MICROPORA PULCHRA Ulrich and Bassler n. sp., p. 347 3. Fragment of zoarium, (x24). Vincentown limesand; Vincentown, (154}. MICROPORA CYUNDRACEA Ulrich and Bassler n. sp., p. 347 4. Fragment of a zoarium, (x24). Vincentown limesand; Vincentown, (154). MONCPORELLA EXSERTA Ulrich and Bassler n. sp., p. 349 5-6. Surfaces of two zoaria, (x8). 7. Surface of zoarium, (x3). Vincentown limesand; Vincentown, {,154}. MiCROPOREWvA SPARSIPORA Ulrich and Bassler n. sp., p. 348 8. Surface of zoarium, (x24). Vincentown limcsand; Vincentown, (/5^). MICROPORA ? VINCENTOWNENSIS Ulrich and Bassler n. sp., p. 348 9. Surface of zoarium, (x24). Vincentown limcsand; Vincentown, (/5-/). 930 PLATE XXV. BRYOZOA. EXPLANATION OF PLATE XXVI. PORINA LABIATA (Gabb and Horn), p. 35° 1. Eragment of zoarium, natural size. 2. The same much enlarged. 3. Surface of zoarium much enlarged. 4. View of ovicell, much enlarged. 5. A longitudinal section, enlarged. 6. A cross section, enlarged. (All figures after Gabb and Horn.) Vine en town Urn csan d. PORINA QUADRANGULARIS Gabb and Horn, p. 350 7. Fragment of a zoarium possibly belonging to this species, (x6). 8. View of the type specimen. (After Gabb and Horn.) Vincentoivn limcsand; Vincentown, (154)- LEPRAUA ASPERA (Gabb and Horn) , p. 352 9. Much enlarged surface of zoarium. (After Gabb and Horn.) Vincentown limcsand. MUCRONELLA MURAUs (Gabb and Horn), p. 352 10. Much enlarged surface of zoarium. (After Gabb and Horn.) Vincentown limcsand. PORINA CORONATA (ReUSS) ? p. 351 11. Fragment of zoarium, (x6). Vincentown limcsand; Vincentown, (/5-/). MUCRONELLA TYPICA (Gabb and Horn) , p. 353 12. Eragment of zoarium, (x2). 13. Fragment of zoarium, (x4). Vincentown limcsand; Vincentown, (154). MUCRONELLA ASPERA Ulrich, p. 354 14-15. Surface characters of two Eocene zoaria, (x2o). (After Maryland Geological Survey.) MUCRONELLA PUMILA (Gabb and Horn), p. 355 1 6. View of an encrusting zoarium upon a specimen of Onycho- cclla digitata, (x2). 17. Much enlarged surface of zoarium. (After Gabb and Horn.) Vincentown limesand; Vincentown, 932 PLATE XXVI. 17 BRYOZOA. EXPLANATION OF PLATE XXVII. TEREBRATELLA PUCATA ( Say ) , p. 364 i-io. Two views each of five different individuals, showing some- thing of the range of variation of the species. Navesink marl; near Crawfords Corner, (126'), ii. The brachidium. (After Whitfield.) TEREBRATELLA VANUXEMI (Lyell and Forbes), p. 366 12-13. Two views of a very perfect individual. Navesink marl; near Holmdel, (i. Wenonah sand; near Crawfords Corner, (126*). LEDA CLIFF WOODEN sis n. sp., p. 377 24-25. Right side and dorsal aspect of the type specimen, a very perfect internal cast. Cliff wood clay; Cliff wood Point, (/Of). LEDA PROTEXTA Gabb, p. 375 26. View of the type specimen, partially restored. (After Whitfield.) Navcsink marl. LEDA PIXNAFORMIS Gabb, p. 373 27. View of type specimen, (x3). (After Whitfield.) Woodbury clay; Haddonfield, (183). LEDA GABBANA (Whitfield), p. 378 28. View of a small individual identified by Whitfield. (After Whitfield.) 29-30. Two views of a larger individual identified by Whitfield. (After Whitfield.) Navesink marl. LEDA TINTONENSIS n. sp., p. 379. 31-32. Views of the two type specimens. 33-34- The same, (x2). Tin ton beds; Beers Hill Cut, (129*). 938 PLATE XXIX. PELECYPODA. EXPLANATION OF PLATE XXX. PERRISONOTA PROTEXTA Conrad, ...................................... p. 379 1-2. Views of two internal casts of left valves, showing the impression of the hinge. Red Bank sand; Shrewsbury River, (119). YOLDIA CLIFF WOODEN SIS n. Sp., ....................................... p. 383 3. The internal cast of a left valve, imperfect posteriorly. Cliff wood clay; Cliff wood Point, {185). 4. The internal cast of a right valve. Cliff wood clay; near Matawan, (107). YOLDIA LONGIFRONS (Conrad), ...................................... p. 381 5. A very perfect internal cast of a left valve, showing the impression of the hinge. Woodbury clay; Lorillard, (102). YOLDIA PAPYRIA (Conrad) , .......................................... p. 382 6. View of an internal cast of a right valve, showing the impression of the hinge. Woodbury clay; near Matawan, (/oj). NEMODON CONRADI Johnson, ......................................... p. 387 7. The internal cast of a right valve. Woodbury clay; Lorillard, (102). NEMODON EUFAULENSIS (Gabb) , .......... ........................... p. 385 8. The internal cast of a right valve. Merchantville clay-marl; near Jamesburg, (139). 9. The internal cast of a left valve. Red Bank sand; Red Bank, (116). 10. The internal cast of a left valve. The specimen illustrated by Whitfield. Navesink marl. n. A small form doubtfully referred to this species. Vinccntown formation; near Farmingdale, NEMODON BREVIFRONS Conrad, ....................................... P- 12. A very perfect internal cast of the right valve. Cliffwood clay; Cliffwood Point, (105). 13. The internal cast of a right valve. Wenonah sand; near Marlboro, (rjo). 14. The internal cast of a large left valve referred doubtfully to this species. Wenonah sand; near Crawfords Corner, NEMODON ANGULATUM (Gabb), ..................................... P- 15. The left side of the type specimen. (After Whitfield.) Navesink marl? 941. TRIGONARCA TRIQUETRA Conrad, ...................................... p. 402 1 6. The internal cast of a right valve, showing the impression of the hinge. Cliffwood clay; Cliffwood Point, (185). TRIGONARCA CLIFFWOODENSIS n. sp., .................................. p. 401 17. The internal cast of a left valve, the type specimen. Cliffwood clay; Cliffwood Point, (185). TRIGONARCA CUNEIFORMIS Conrad, ................................... p. 403 18. The internal cast of a right valve, (x2). Woodbury clay; near Matawan, (/oj). 19-20. External and internal views of a perfect right valve, (x/). (After Whitfield.) Woodbury clay; Haddonfield, BREVIARCA SAFFORDI (Gabb), ........................................ p. 404 21-24. Views of four different internal casts of single valves. Woodbury clay; Lorillard, (102). BREVIARCA CUNEATA (Gabb) , ........................................ p. 406 27. View of the internal cast of a left valve. Woodbury clay; Lorillard, (102). NEMOARCA CRETACEA Conrad, ........................................ p. 413 25. The internal cast of a right valve. Woodbury clay; Lorillard, (102). 26. The internal cast of a right valve. M erchantville clay-marl; near Matawan, (101). 942 PLATE XXX. PELECYPODA. EXPLANATION OF PLATE XXXI. CUCULLAEA NEGLECTA Gabb, p. 396 1-2. Views of the right side and posterior end of a very perfect internal cast. Navcsink marl; Mullica Hill, (169). 3-4. Views of the left side and posterior end of a very perfect internal cast. Navesink marl; near Holm-del, (127"}. CUCULLAEA TIPPANA Conrad, P- 394 5. The internal cast of a right valve. Red Bank sand; Shrewsbury River, (//p). 6. The cardinal area, a plaster cast from a natural impression of the shell. Same locality. 7-8. External and internal views of a very perfect right valve. Marshalltown clay-marl; near Swedcsboro, (/77). 9-10. Views of two internal casts, a right valve and a left valve. Tinton beds; Beers Hill Cut, 944 PLATE XXXI. 10 PELECYPODA. EXPLANATION OF PLATE XXXII. CUCULLAEA TIPPANA Con., P- 394 1-2. Views of the left side and posterior end of a very perfect internal cast. Marshalltoii.il clay-marl; Marsliallton'n, (/oo). CUCULLAEA COMPRESSIROSTRA Whitf., p. 399 3-4. Views of the posterior end and the left side of the internal cast used by Whitfield as type of the species. Scwcll marl; Tint on Falls, (Cook's Pits). CUCULLAEA VULGARIS Morton, p. 397 5-6. Views of the right side and the posterior end of a very perfect internal cast. Scwell marl; near Horncrstown, (152). CUCULLAEA ANTROSA Morton, p. 391 7. Internal cast of a large left valve. Navcsink marl; near Walnford, (148*). 8-9. Views of the right side and posterior end of a very perfect internal cast illustrated by Whitfield. Navesink marl. 946 PLATF, XXXII. PELECYPODA. EXPLANATION OF PLATE XXXIII. CUCULLAEA LITTLEI (Gabb), p. 4<*> 1-2. Views of the right side and the posterior end of a nearly perfect internal cast of this species. Tinton beds; Beers Hill cut, (/^p7)- 948 PLATE XXXIII. PELECYPODA. EXPLANATION OF PLATE XXXIV. CUCULLAEA WOODBURYENSIS n. Sp., p. 393 i. The type specimen, an internal cast of a left valve. Woodbury clay; Lorillard, (102). ARCA QUIXDECEMRADIATA Gabb, p. 410 2-3. Views of the left side and the posterior end of a nearly per- fect internal cast. Vincentown limesand; Hurffville, (/7/). ARCA ROSTEHATA Morton, p. 408 4-5. Views of the right side and dorsal margin of a very perfect internal cast figured by Whitfield. Navesink marl; Holmdel. ARCA UNIOPSIS Conrad, p. 407 6. An internal cast of the right valve. Navesink marl; Crosswicks Creek, (149). 7-8. Left and dorsal views of a nearly complete internal cast. (After Whitfield.) ARCA OBESA (Whitfield), p. 409 9. The internal cast of a right valve. Merchantville clay-marl; Lenola, (163). ARCA sp. 10-12. Views of three internal casts. Vincentoiam formation; near Deal, (122). 950 PLATE XXXIV 12 PELECYPODA. EXPLANATION OF PLATE XXXV. AXINEA SUBAUSTRAUS d'Orbigny, .................................... p. 414 i. A large internal cast of the left valve. Navesink marl; Crosszvicks Creek, (149). 2-3. Two internal casts of medium size with very strong teeth and crenulations of the margin. Tinton Beds; Beers Hill cut, (129*). 4—5. Two internal casts. Merchantville clay-marl; Lenola, (/6j). 6. Right side of a nearly complete individual preserving the shell, illustrated by Whitfield. Navesink marl; Crossivicks Creek. 7-8. Two internal casts. Vincentown formation; near Deal, AXINEA COMPRESSA n. sp., ............................................ p. 417 9. The type specimen, an internal cast of a right valve. Red Bank sand; near Middlctozvn, (112). AXINEA MICRODENTUS n. sp., ......................................... p. 416 10-11. Two internal casts. Wcnonah sand; near Crawfords Corner, (126"). AXINEA CONGESTA (Conrad), ........................................ p. 418 12-13. Left and dorsal views of a nearly perfect internal cast. 14. Left side of the same, (x2). Cliff-wood Clay; near Matau'an, (183). 15. Internal cast of a right valve showing the hinge. Cliff wood clay; Cliff zvood Point, (105). 16-18. Views of the internal casts of three single valves. 19. View of same specimen shown in fig. 18, (x2). Woodbury clay; Lorillard, (102). 952 PLATE XXXV. 12 • / 14 10 13 1 1 16 15 17 18 19 PELECYPODA. EXPLANATION OF PLATE XXXVI. PINNA LAQUEATA Conrad, p. 419 i. Lateral view of a large, imperfect, right valve. (After Whit- field.) Merchantville clay-marl; Burlington. 954 PLATE XXXVI. PELECYPODA. EXPLANATION OF PLATE XXXVII. PINNA LAQUEATA Conrad p. 419 i. Lateral view of a right valve, incomplete anteriorly. (After Whitfield.) PINNA ROSTRIFORMIS Morton p. 420 2-3. Lateral views of two imperfect left valves. (After Whit- field.) Vincentoiim limesand; Timber Creek. GERVILLIOPSIS ENSIFORMIS (Conrad), p. 421 4. View of an incomplete internal cast from the right side. Navesink marl; near Freehold, (133). 5. A similar view of a smaller specimen. Navesink marl; Mullica Hill, (169). 956 PLATE XXXVII. PELECYPODA. EXPLANATION OF PLATE XXXVIII. GERVILLIOPSIS ENSIFORMIS (Conrad) p. 421 1. A nearly complete left valve. 2. Internal view of a less complete valve. Marshalltown clay-marl; Woodbury. 3. View of a large, imperfect internal cast. Marshalltown clay-marl?; Woodbury f IXOCERAMUS PROOBLIQUA Whitfield, p. 428 4. The type specimen. Xavesink marl; Holmdel. IXOCERAMUS ? PEROVALIS Conrad. 5. View of the right side of an internal cast. The type speci- men. (After Whitfield.) 958 PLATE XXXVIII. PELECYPODA. EXPLANATION OF PLATE XXXIX. INOCERAMUS QUADRANS Whitfield. p. 426 1. View of the type specimen. (After Whitfield.) Merchantville clay - marl ?; near Burlington. INOCERAMUS CONFERTIM-ANNULATUS Roemer, p. 427 2. View of an incomplete specimen. Merchantville clay-marl; near Mafau'an, (/oo3). 3. View of an incomplete specimen illustrated by Whitfield. Navesink marl; Holmdcl. 4-5. Two views of a left valve. (After Whitfield.) " Navesink marl; Marlboro. 960 PLATE XXXIX. PELECYPODA. EXPLANATION OF PLATE XL. IXCCERAMUS PROXIMUS Tuomev, p. 424 1-2. Views of two incomplete specimens. (After Whitfield.) Merchantville clay-marl; Keyport. 3. An incomplete specimen illustrated by Whitfield. Wenonah sand; Holmdel. 4. View of an incomplete left valve. Merchantville clay-marl; near Jamcsburg, (141). 5. View of an incomplete right valve preserving the shell. Marshalltown clay-marl; near Swedesboro, (177). INOCERAMUS sp. 6. View of an incomplete left valve. Navesink marl; Crosswicks Creek, (147*). 962 PLATE XL. PELECYPODA. EXPLANATION OF PLATE XLI. INOCERAMUS PROXIMUS Tuomey, p. 424 i. A very large, incomplete specimen. Mcrchantvillc clay-marl; Lcnola, (163). 964 PLATE XLL PELECYPODA. EXPLANATION OF PLATE XLII. PTERIA PETROSA (Conrad), .......................................... p. 429 1. A complete internal cast of the right valve. Cliffwood clay; near Matawan, (/tfp). 2. An incomplete internal cast of a left valve. Wenonah sand; near Marlboro, (130). PTERIA LARIPES (Morton), ........................................... p. 431 3. View of a left valve. (After Whitfield.) PTERIA NAVICULA Whitfield, ...................................... '. . .p. 432 4. View of the type specimen. (After Whitfield.) Woodbury clay; Haddonfield, (183}. MELEAGRINELLA ABRUPTA (Conrad), .................................. P- 433 5-6. Views of two internal casts, a left valve and a right valve. Navesink marl; near Holmdel, (128*}. 7-8. Internal and external views of a nearly complete right valve, (x2). (After Whitfield.) 9. The hinge of a left valve, (x2). (After Whitfield.) Navesink marl; Freehold. OSTREA PANDA Morton, .............................................. p. 437 10. View of a nearly perfect lower valve. Marshalltown clay-marl; near Swedesboro, (180). OSTREA CRETACEA Morton, ........................................... p. 434 11. A nearly complete internal cast of the lower valve. Cliff^vood clay; Cliffwood Point (105). OSTREA CRENUUMARGINATA Gabb, .................................... p. 441 12-13. External and internal views of a complete single valve, illus- trated by Whitfield. Navesink marl; Marlboro. OSTREA sp. 14. View of an internal cast of a lower valve. Vincentown sand; near Deal, (122). OSTREA SUBSPATULATA Forbes, ....................................... p. 440 15. View of an internal cast of a lower valve. Wenonah sand; Crawfords Corner OSTREA PtUMOSA Morton, ........................................... p. 439 16. An upper valve preserving the shell. 17. A lower valve supposed to belong to this species. Marshalltown clay-marl; near Swedesboro, 18. Internal cast of a lower valve. Wenonah sand; Craivfords Corner (126*). 966 PLATE XLJI. PELECYPODA. EXPLANATION OF PLATE XLIII. OSTREA DENTICULIFERA Conrad, P- 436 1-2. Internal and external views of two nearly complete valves, identified by Conrad. (After Whitfield.) Woodbury clay; Haddonfield, (183). OSTREA FALCATA Morton, P- 444 3-6. Views of four nearly perfect single valves. Marshalltoin'n clay-marl; near Sivedesboro, (17?) • OSTREA NASUTA Morton p. 447 7-8. Views of two nearly complete single valves. (After Whit- field.) Navesink marl. OSTREA MESENTERICA Morton, p. 446 9-14. Views of six nearly perfect single valves. Xavesink marl; near Holmdel, (i^/5). OSTREA MONMOUTHENSIS n. sp., p. 442 15. View of the type specimen. Navesink marl; near Craw fords Corner, (126*). OSTREA CONGESTA Conrad, p. 435 16. View of an internal cast of the attached valve. CKffwood clay; Cliffu'ood Point, (705). OSTREA TECTICOSTA Gabb, p. 443 17-18. Views of two casts of single valves referred to this species. Wenonah sand; near Marlboro, (/jo). 19. Exterior view of the type specimen. (After Whitfield.) 968 PLATE XLIII. 19 PELECYPODA. EXPLANATION OF PLATE XLIV. OSTREA BRYANA Gabb, p. 44& 1-2. Views of two lower valves. 3. View of the upper side of a complete individual. 4. View of the interior of an upper valve. Manasguan marl; near Vincentown, (159). 5. An internal cast. Manasquan marl; Farmingdale, (138).. GRYPHAEOSTREA VOMER (Morton), p. 455 6-9. Views of three lower valves of different forms, and one upper valve. Marshalltown clay-marl; near Stvedesboro, (177). lo-n. Views of a lower and an upper valve. Hornerstown marl; near Woodstown, (181). 970 PLATE XLIV. PELECYPODA. EXPLANATION OF PLATE XLV. GRYPHAEA COXVEXA (Say), p. 451 1-2. Views of the opposite sides of a specimen retaining both valves. Navesink marl; Middletown, (z/j). 972 PLATE XLV. PELECYPODA. EXPLANATION OF PLATE XLVI. GRYPHAEA MUTABILIS Morton, p. 452 i. External view of a nearly complete valve. Marshalltown clay-marl; near Swedesboro, (180). GRYPHAEA DISSIMILARIS n. sp., p. 453 3-4. Two views of a nearly complete individual retaining both valves. Hornerstouin marl; near Woodstown, (181). 974 PLATE XLVI. PELECYPODA. EXPLANATION OF PLATE XLVII. EXOGYRA COSTATA Say, .............................................. p. 456 • i. View of a nearly perfect valve. Navesink marl; Crosswicks Creek, EXOGYRA PONDEROSA Roemer, ......................................... p. 458 2. View of a nearly perfect valve. Marshalltov.'n clay-marl; near Swedesboro, (/7/). EXOGYRA sp., ........................................................ p. 460 3. View of an internal cast of a lower valve. Mcrchantville clay-marl; Lenola, (/6j). OSTREA COXGESTA Con., ............................................. p. 435 4. View of the internal cast of an attached valve. Cliff 'u'ood clay; Cliff-wood Point, (105). 976 PLATE XLVII. .* PELECYPODA. EXPLANATION OF PLATE XLVIII. TRIGONIA THORACICA Morton, p. 460 1-2. Views of a left and a right valve. Marshalltown clay-marl; near Swedesboro, (/77). 3-4. Two views of an internal cast. The type of T. mortoni Whitf. Navesink marl; Freehold. TRIGONIA EUFAULENSIS Gabb, p. 462 5. View of an internal cast. Wenonah sand; near Marlboro, (/jo). 6. View of an internal cast. Merchantville clay-marl; Lenola, (163). 7-8. Two views of a complete individual from Alabama. (Coll. U. S. Nat. Mus.) 9-10. Internal and external views of a left valve from Alabama. (Coll. U. S. Nat. Mus.) TRIGONIA K^MMELI n. sp., p. 466 11-12. Views of two left valves, plaster casts taken from natural moulds of the exterior. Red Bank sand; Shrewsbury River, (116). TRIGONIA CERULIA Whitfield, p. 464 13. View of a left valve from the type locality. Tinton beds; Beers Hill Cut, (129*). 978 PLATE XLVIII. PELECYPODA. EXPLANATION OF PLATE XLIX. PECTEN ARGILLENSIS Conrad, p. 472 1-2. Views of two nearly circular individuals illustrated by Whitfield. Navesink marl; Freehold. 3-4. Views of two individual valves of normal form and size. Internal casts. Woodbury clay; Lorillard, (102). PECTEN BURLINTONENSIS Gabb, p. 470 5. A large internal cast of a single valve. 6. A small single valve of the form called P. perlamellosus by Whitfield. Merchantville clay-marl; near Mataivan, (101). 7-8. A cast of the interior and the natural impression of the exterior of a single valve. Merchantville clay-marl; Lenola, (163). 9. A large internal cast of a single valve. Woodbury clay; Lorillard, (102). PECTEX sp. 10. View of an internal cast. Manasquan marl; Farmingdale, (138). 980 PLATE XLIX. 10 PELECYPODA. EXPLANATION OF PLATE L- PECTEN CONRADI (Whitfield), p. 474 1-3. Views of the internal casts of three single valves. 4. The internal cast of one valve and the impression of the exterior of another. Woodbury clay; Lorillard, (102). PECTEN PARVUS (Whitfield), p. 477 5. View of the type specimen, (x2). 6. View of the surface markings, (much enlarged). Navesink marl; Freehold. PECTEN CUFFWOODENSIS n. sp., p. 469 7-8. Views of two internal casts of single valves. The type specimens. Cliff wood clay; Cliff wood Point, (105). PECTEN TENUITESTUS Gabb, p. 467 9. View of a squeeze taken from a natural mould of the exterior. Navesink marl; near Walnford, (149). PECTEN QUINQUENARIA Conrad, p. 476 10-12. Views of three imperfect internal casts of separate valves. Weitonah sand; near Marlboro, (130). 13. A nearly complete individual preserving the shell, from near Dumas, Mississippi. (Coll. U. S. Nat. Mus., No. 20723.) PECTEN WHITFIELDI n. sp., p 468 14- View of the type specimen, figured by Whitfield as P. tenui- testus Gabb. Navesink marl; Holmdel. P-CTEN CRATICULUS Morton, p. 478 15-16. Two views of the type specimen. (After Whitfield.) Navesink marl; Arneytown. 982 PLATE L. PELECYPODA. EXPLANATION OF PLATE LI. PECTEN VENUSTUS Morton, p. 47$ 1-2. The internal and external surfaces of a natural mould of a single valve, (x2). 3. The same impression of the exterior, (x6). Tinton beds; Tinton Falls, (no). 4. An internal cast of a single valve. Red Bank sand; Red Bank, (116). 5. An internal cast illustrated by Whitfield. Navesink marl. PECTEN SIMPUCIUS Conrad, p. 480 6. An internal cast of a single valve. Tinton beds; Beers Hill Cut, (129"). NEITHEA QUINQUECOSTATA (Sowerby), p. 481 7-8. Two views of a large internal cast of the convex valve. Illus- trated by Whitfield. Wenonah sand. 9-10. Two convex valves preserving the shell. Marshalltown clay-marl; near Swedesboro, (.277). 11-12. Upper and lower views of a nearly complete internal cast. M erchantville clay-marl; Lenola, (163). 984 PLATE LI. 8*PAI, PELECYPODA. EXPLANATION OF PLATE LII. PUCATULA URTICOSA (Morton), p. 484 1-2. Views of two individuals. (After Whitfield.) Navesink marl; Freehold. PUCATULA MULLICAENSIS n. sp., p. 485 3. View of a natural mould of the exterior of an upper valve. 4. A squeeze taken from the same. 5. A much exfoliated upper valve. Navesink marl; Mullica Hill, (169). LIROSCAPHA SQUAMOSA Conrad, ! p. 489 6-7. Two views of the type specimen, (x2). Woodbury clay; Haddonfield, (183). PUCATULA WOODBURYENSIS n. Sp., p. 485 8. View of a natural mould of the exterior of an upper valve. 9. A squeeze taken from the same. Woodbury clay; Lorillard, (102). PARANOMIA SCABRA (Morton), p. 500 10. View of a large single valve illustrated by Whitfield. Navesink marl; Upper Freehold. 11-12. Two upper valves. 13- A lower valve. Marshalltown clay-marl; near Swedesboro, 986 PLATE LII. PELECYPODA. EXPLANATION OF PLATE LIU. SPONDYLUS GREGALIS (Morton), p. 486 1-2. Internal and external views of a large lower valve illustrated by Whitfield. 3. View of an internal cast illustrated by Whitfield. Navesink marl; Crosswicks Creek, f DlAXCHORA ECHINATA (Morton) , p. 487 4-6. Three views of the type specimen, a nearly perfect lower valve. (After Whitfield). Navesink marl. PLATE LIII. PELECYPODA. EXPLANATION OF PLATE LIV. DlANCHORA ECHINATA (Morton), V- 4&7 1. The interior of a lower valve attached to the inside of a Gryphaea shell. 2. View of the hinge extremity of an individual attached to the interior of a Gryphaea shell, showing the convex outline of the cast of the upper valve. Navesink marl. LIMA RETICULATA (Lyell and Forbes), P- 492 3. A right valve preserving the shell. Marshalltown clay-marl; near Swedesboro, (177)- 4. The internal cast of a right valve. Navesink marl; near Walnford, (149). LIMA LORILLARDENSIS n. sp., P- 492 5. The left side of a crushed internal cast. 6. Squeeze from the impression of the exterior of the same. Woodbury clay; Lorillard, (102). LIMA PELAGICA (Morton), p. 489 7. A nearly complete left valve. Navesink marl; near Walnford, (147*). LIMA WHITEIELDI n. sp., P- 49i 8. A very perfect right valve, illustrated by Whitfield as Radula pelagica. Navesink marl; near Holmdel. LIMA MONMOUTHENSIS (Whitfield), p. 494 9. View of the type specimen, illustrated by Whitfield as Nucula monmouthensis. Wenonah sand; Marlboro. PLAGIOSTOMA ERECTA (Whitfield), P- 495 10. View of a right valve preserving the shell. Marshalltown clay-marl; near Swedesboro, (//TO. ANOMIA ARGENTARIA Morton, p. 496 11. A cast of the interior of the upper valve. Cliffwood clay; Cliffwood Point, (105). 12. A specimen retaining the shell. Illustrated by Whitfield. Navesink marl; Freehold. 13-14. Two views of a complete internal cast, the lower side showing the position of the perforation of the valve. Merchantville clay-marl; Lenola, (/6j). 15. A group of specimens, retaining the shells. Illustrated by Whitfield as A. tellinoides. Navesink marl; Freehold. ANOMIA RADIATA n. sp., p. 499 16-17. Two views of the type specimen, a nearly complete internal cast. The view of the under side shows the position of the perforation of the valve. Woodbury clay; Lorillard, (102). 990 PLATE LIV. 17 14 PELECYPODA. EXPLANATION OF PLATE LV. MYTILUS SMOCKI n. sp., P- 502 1-2. Two views of a complete internal cast which retains some fragments of the shell. Navesink marl; near Walnford, (149). 3-4. Two views of another complete internal cast. Navesink marl; near Craiv fords Corner, (126*). MYTILUS OBLIVIUS Whitfield, p. 503 5. The type specimen illustrated by Whitfield. Wenonah sand; near Marlboro. 6. View of the internal cast of a left valve. Wenonah sand; near Marlboro, (130). 7-8. Views of the internal casts of two left valves doubtfully referred to this species. Cliff wood clay; Cliffwood Point, (105). MODIOLA MONMOUTHENSIS n. Sp., p. 504 9-10. Views of two left valves. Internal casts. Merchantville clay-marl; near Matawan, (101). MODIOLA WENONAH n. sp., p. 507 n. View of the type specimen. Wenonah sand; near Marlboro, (130). MODIOLA JULIA Lea, p. 506 12-13. Views of two specimens, a right valve and a left valve. Woodbury clay; Lorillard, (102). MODIOLA JOHNSONI Whitfield, p. 509 14-15. Two views, lateral and cardinal, of the type specimen. (After Whitfield.) Manasquan marl; Farmingdale. MODIOLA OVATA Gabb, p. 508 16. Lateral view of a specimen imperfect posteriorly. (After Whitfield.) 17. View of the right side of the type specimen. (After Whitfield.) Vincentown formation; Timber Creek. MODIOLA BURLINGTONENSIS Whitfield, p. 505 18-19. Cardinal and lateral views of the type specimen. (After Whitfield.) Merchantville clay-marl; Burlington. MODIOLA SUBINFLATA Whitfield, . . .p. 507 20-21. Cardinal and lateral views of the type specimen, (x2). (After Whitfield.) Hornerstown marl; near Mullica Hill. 992 PLATE LV. PELECYPODA. EXPLANATION OF PLATE LVI. PHOLADOMYA OCCIDENTAUS Morton, p. 5J3 1-3. Anterior, lateral and cardinal views of a nearly complete internal cast. Merchantville clay-marl; Lenola, (163). PHOLADOMYA ROEMERI Whitfield, p. 515 4. Lateral view of the type specimen. Wenonah sand; near Marlboro. 5. Lateral view of a smaller individual. Wenonah sand; near Marlboro, (130). CRENELLA ELEGANTULA Meek and Hayden, : p. 51 1 6. Lateral view of an internal cast. Tinton beds; Beers Hill Cut, (129^. CRENELLA SERICA Conrad, p. 510 7-8. Lateral views of two single valves, (x2). Marshalltown clay-marl; near Swedesboro, (177}. LITHOPHAGA RIPLEYANA (Gabb), p. 512 9-10. Lateral and cardinal views of a rather smooth example. Navesink marl; Mullica Hill, (i(5p). 11-12. Lateral and cardinal views of a rougher example. Navesink marl; near Walnford, (148). CERCOMYA PECULARIS (Conrad), p. 518 13-14. Two views of the type specimen. (After Whitfield.) Navesink marl; Crosswicks Creek. 994 PLATE LVI. PELECYPODA. EXPLANATION OF PLATE LVII. ANATINA JERSEYENSIS n. sp., ........................................ p. 516 1-2. Cardinal and lateral views of a nearly complete internal cast. Merchantville clay-marl; near Jamesburg, (141). 3. Lateral vie'w of an internal cast. Wenonah sand; near Marlboro, (/jo). 4. Lateral view of a small, imperfect internal cast referred doubtfully to this species. Woodbnry clay; Lorillard, (102). ANATINA CLIFF WOODEN sis n. sp., .................................... p. 517 5-6. Cardinal and lateral views of an internal cast. Cliffwood clay; Cliff-wood Point, (185). ANATINA JAMESBURGENSIS n. sp., .................................... p. 517 7. Lateral view of the type specimen. The lower half restored. Merchantville clay-marl; near Jamesburg, PERIPLOMYA ELUPTICA (Gabb), ...................................... p. 522 8-9. Cardinal and lateral views of a specimen illustrated by Whitfield. Locality unknown. 10. Lateral view of the type of P. truncata Whitf. Manasquan marl; New Egypt. 11. Lateral view of the type of Veleda nasuta Whitf. Manasquan marl; New Egypt. ANATIMYA ANTERADIATA Conrad, .................................... p. 519 12. Lateral view of a nearly complete cast of a single valve. Wenonah sand; near Marlboro, (/jo). ANATIMYA LATA (Whitfield) , ....................................... p. 521 13. Lateral view of the type of the species. Wenonah sand; near Marlboro. CORIMYA? sp. 14-15. Cardinal and lateral views of a very perfect internal cast. Merchantville clay-marl; Lenola, (163). CORIMYA TENUIS Whitfield, ....... .................................. p. 525 16-17. Cardinal and lateral views of a nearly complete internal cast. Navesink marl; Mullica Hill, (169). 18. Lateral view of another nearly complete internal cast. Navesink marl; near Crawfords Corner, (/•?<57). 996 PLATE LVII. PELECYPODA. EXPLANATION OP PLATE LVIII. CLAVAGELLA ARMATA Morton, P- 52S 1-2. Lateral and cardinal views of a very perfect internal cast. Navesink marl; Atlantic Highlands, (loS). LIOPISTHA KUMMELI n. sp., p. 529- 3. Lateral view of the type specimen, an internal cast. Merchantville clay-marl; Lenola, (163). LIOPISTHA PROTEXTA (Conrad), P- 526 4. Lateral view of an internal cast of a single valve. Red Bank sand; near Middletown, (112}. 5-6. Lateral and cardinal views of a very perfect internal cast. Navesink marl; Mullica Hill, (169). LIOPISTHA ALTERNATA n. sp., p. 527 7-8. Lateral views of two internal casts. , Merchantville clay-marl; near Mataivan, (/or). 9. Lateral view of an internal cast. Merchantville clay-marl; near Jamesburg, (139}. CYMELLA BELLA Conrad, p. 53O 10. Lateral view of an incomplete internal cast of a single valve. Cliffwood clay; near Matafwan, (107). n. Lateral view of an internal cast of a single valve. Wenonah sand; near Marlboro, (130). 12. Lateral view of the internal cast of a large single valve. Woodbury clay; Lorillard, (.102'). CYMELLA UNDATA (Meek and Hayden), p. 531 13. Lateral view of a small single valve. Wenonah sand; near Marlboro, (/jo). CUSPIDARIA JERSEYENSIS n. Sp., p. 534 14-15. Lateral and cardinal views of the type specimen. Navesink marl; near Crawfords Corner, (i2ff). CUSPIDARIA VENTRICOSA (Meek and Worthen), p. 533 16-17. Lateral views of two more or less distorted internal casts of separate valves. Red Bank sand; Red Bank, (116). VENIELLA CONRADI Morton, p. 534 18. External view of a nearly perfect left valve. 19. View of the hinge of a right valve. Marshalltown clay-marl; near Swedesboro, (177). ETEA TRAPEZOIDEA (Conrad) , .p. 543 20-21. Lateral views of two internal casts. Merchantville clay-marl; near Matawan, (101). VENIELLA ? RHOMBOIDEA Conrad, p. 538 22-24. Lateral, cardinal >and anterior views of a nearly perfect in- ternal cast. Manasquan marl; Farmingdale. VENIELLA ? DECISA (Morton), p. 540 25-26. Lateral and posterior views of an internal cast identified as this species by Whitfield. Hornerstown marl; Blue Ball. 998 PLATE LVIII. PELECYPODA. EXPLANATION OF PLATE LIX. VENIELLA TRIGONA (Gabb), p. 537 1. Lateral view of an internal cast of the left valve. . Nave sink marl; near Walnford, (147*). 2. Lateral view of an internal cast of the left valve. 3. Lateral view of a plaster cast taken from the natural mould of the exterior of the same specimen of which fig. 2 is the internal cast. Tinton Beds; Beers Hill Cut, (/ 7-8. The incomplete cast of a left valve and a squeeze taken from the natural mould of the exterior of the same. 9. Lateral view of a small, very perfect internal cast. 10. The same (x2). Woodbury clay; Lorillard, (102). CARDIUM PILSBRYI n. sp., p. 594 11-12. Lateral views of two internal casts, a left valve and a right valve. Merchantville clay-marl; Lenola, (163). CARDIUM TBNUISTRIATUM (Whitfield), .p. 591 13. View of the type specimen. Wenonah sand; near Marlboro. 14. View of a squeeze from a natural mould of the exterior, to show the character of the surface markings. Merchantville clay-marl; Lenola, (/6j). 15-16. Lateral and posterior views of a nearly perfect internal cast. Merchantville clay-marl; Lenola, (163). 17. A right valve partially preserving of the shell. Marshalltown clay-marl; near Swedesboro, (177). 18-19. Anterior and lateral views of a nearly perfect internal cast. Marshalltown clay-marl; Marshalltown, (/po). CARDIUM TRIUJNEATUM n. sp., p. 589 20. A squeeze from a natural mould of the exterior, showing the character of the surface markings. Navesink marl; Atlantic Highlands, (io8~). PROTOCARDIUM JERSEYENSIS n. sp., p. 596- 21. The internal cast of a right valve, (x2). Merchantville clay-marl; near Jamesburg, (140). PLATE LXV. - 21 PELECYPODA. EXPLANATION OF PLATE LXVI. CARDIUM KUMMELI n. sp., p. 585 1. Lateral view of an incomplete right valve partially preserving the shell. 2. The internal cast of a right valve. Tinton beds; Beers Hill Cut, (129"). 3. External view of a perfect right valve. Mississippi, Coll. U. S. Nat. Mus. CARDIUM KNAPPI n. sp., P- 595 4. The internal cast of a right valve. Vincentown sand; near Deal, (122). 5. The internal cast of a left valve. Vincentown limesand; New Egypt, (143). 6-7. Lateral and anterior views of a nearly complete internal cast. Homer stown marl; near Juliustown, (160). FULVIA TENUIS Whitfield, p. 597 8. View of the type specimen. Navesink marl; Holmdel. ISOCARDIA TINTONENSIS n. sp., P- 599 9. View of the type specimen. Tinton beds; Beers Hill Cut, (/. 8. The left side of the internal cast, (x2). Raritan formation; Sayreville. CORBULA LORILLARDENSIS n. sp., P- 637 9-1 1. Views of three single valves. 12-14. Views of the same, (x2). Woodbury clay; Lorillard, (102). CORBULA BISULCATA Conrad, p. 638 15-16. Cardinal and lateral views of a plaster cast from a natural mould, partially restored. 17. Lateral view of the same, (xz). 18-19. Lateral and cardinal views of an internal cast. 20-22. Lateral and cardinal views of an internal cast, and a lateral view of the same, (x2). Cliffwood clay; Cliffwood Point, (105). CORBULA FOULKEI Lea, p. 640 23. Lateral view of an internal cast. 24. The same, (x2). 25. Lateral view of a plaster cast from the natural mould of the exterior of the same individual. 26. The same, (x2). Woodbury clay; near Matawan, (/oj). CORBULA CRASSIPLICA Gabb, ". p. 641 27. Lateral view of a squeeze from a natural mould, (x2). Merchantville clay-marl; near Jamesburg, (139). 28. Lateral view of a right valve, (x3). (After Whitfield.) Woodbury clay; Haddonfield, (183). CORBULA CLIFF WOODEN sis n. sp., P- 643 29. Lateral view of the internal cast of a right valve. 30. The same, (x2). 31. Lateral view of the internal cast of a right valve. 32. The same, (x2>. Cliffwood clay; Cliffwood Point, (185). CORBULA SWEDESBOROENSIS n. sp., p. 644 33. Lateral view of the type specimen. 34 The same, (xs). Marshalltown clay-marl; near Swedesboro, (/77).- 35. Lateral view of the internal cast of a single valve. Cliffwood clay; near Matawan (189). CORBULA JERSEYENSIS n. sp., p. 644 37-38. Lateral views of two internal casts. Cliffwood clay; Cliffwood Point, (185). 39. Lateral view of the internal cast of a left valve. 40. The same, (x2). Cliffwood clay; Cliffwood Point, (185). PLATE LXXII. PELECYPODA. EXPLANATION OF PLATE LXXIII. PANOPEA EU.IPTICA Whitfidd, P- 647 1-2. Lateral and cardinal views of a nearly complete internal cast. Manasquan marl; Medford. • PANOPEA DECISA Conrad, p. 646 3. Lateral view of an internal cast. Merchantville clay-marl; near Matawan, (/ox). 4. View of an internal cast of a right valve. Wenonah sand; near Marlboro, (/jo). 5. Lateral view of a small internal cast. Nave sink marl; near Craw fords Corner, (izff). RANGIA ? TENUIDENS (Whitfield), p. 635 6. Lateral view of one of the type specimens. 7-8. Lateral and anterior views of another of the type specimens. Raritan clay; near Sayreville. GASTROCHAEXA LINGUIFORMIS n. sp., p. 649 9. Right lateral view of the type specimen preserved in the cast of the tube. Merchantville clay-marl; near Jamesburg, (140). GASTROCHAENA WHITFIELDI n. sp., p. 648 10-12. View of the tube, and cardinal and lateral views of the included shell. Navesink marl; near Walnford, Bruere's pits. GASTROCHAENA AMERICANA Gabb, p. 649 13. View of the cast of a tube. Vincentown limesand; New Egypt, (143). 1030 PLATE LXXIII. PELECYPODA. EXPLANATION OF PLATE LXXIV. TEREDO IRSEGULARIS Gabb, p. 656 1-2. Anterior and lateral views of a shell in position in its tube of habitation. 3. Mass of fossil wood with included tubes. The original of figures i and 2 was removed from this. Merchantville clay-marl; Lenola, (/6j). TURNUS KUMMELI n. sp.. p. 6$2 4-5. Lateral views of two left valves. 6. The same as figure 5, (x2). Marshalltown clay-marl; near Swedesboro, (177). PHOLAS CITHARA Morton, p. 651 7. Lateral view of an internal cast. Woodbury clay; Lorillard, (102). MARTESIA CRETACEA Gabb, p. 654 8-9. Lateral and ventral views of an internal cast, (x2)^ lo-ii. Lateral and cardinal views of an internal cast, (x2). Marshalltown clay-marl; near Sivedesboro, (/77). POLORTHUS TIBIALIS (Morton) , p. 659 12. View of a group of the tube casts, showing their usual form. Nearly all have their lower ends broken off. 13. Enlarged view of the upper end of a tube showing the partial septa of this part of the tube. 14. Enlarged view of the aperture. 15. Enlargement of the upper end of a cast, showing the muscular scar. (All figures after Whitfield.) Vincentown lime sand. 1032 PLATE LXXIV. 15 II*PAI, PELECYPODA. EXPLANATION OF PLATE LXXV. DENTALIUM SUBARCUATUM Conrad, p. 661 1. View of a squeeze from a natural mould of the exterior. 2. View of an internal cast. Woodbury clay; Lorillard, (102}. CADULUS OBNUTUS (Conrad), p. 663 3-4. Lateral views from different sides of two internal casts, (X2). Woodbury clay; Lorillard, {102). PATELLA TENTORIUM Morton, p. 663 5-6. Lateral and vertical views of the type specimen, (x2). Navcsink marl; near Arneytown. PLEUROTOMARIA CROTALOIDES (Morton),. p. 665 7-9. Vertical, basal and lateral views of an internal cast. Naresink marl; near Crawfords Corner, (126*). PLEUROTOMARIA BRITTONI Whitfield, p. 667 10-12. Lateral, vertical and basal views of the type specimen. Manasquan marl; Farmingdale. PLEUROTREM A SOLARIFORMIS Whitfield, p. 667 13-14. Lateral and basal views of one of Whitfield's type specimens. Vincentown limesand; Timber Creek. LEIOSTRACA CRETACEA (Conrad) , p. 671 15. Lateral view of a specimen (x4). 16. Lateral view of a specimen (x4). 17. Lateral view of a specimen (x3). Woodbury clay; Haddonfield, (183). DELPHINULA NAVESINKENSIS n. sp., p. 669 18-19. Vertical and lateral views of the type specimen. Navesink marl; near Walnford, (49). MARGARITA ABYSSINA (Gabb), p. 669 20-21. Basal and lateral views of an internal cast. Merchantz'ille clay-marl; Lenola, (/6j). 22. Lateral view of an internal cast. Navcsink marl; Middletoivn, 1034 PLATE LXXV. 20 21 22 GASTROPODA. EXPLANATION OF PLATE LXXVI. OBELISCUS CONELLUS Whitfield, : . . .p. 672 1. Lateral view of the type specimen, enlarged. Woodbury clay; Haddonfield, (183). SCALA SILLMANI (Morton), p. 672 2. Lateral view of a specimen from Alabama preserving the shell. Pal. Coll. Walker Mus., No. 10,835. 3. Lateral view of an internal cast illustraed by Whitfield. Navesink marl; Holmdel. SCALA THOMASI Gabb ?, p. 674 4. Lateral view of the specimen illustrated by Whitfield. Horizon and locality not known. CAVOSCALA ANNULATA (Morton), p. 676 5-7. Two lateral views and a basal view from two nearly perfect specimens. Vinccnto-an limesand; Timber Creek. SCALA ? HERCULES Whitfield, p. 675 8. Lateral view of the type specimen. (After Whitfield.) Cliffwood clay f; Cliffwood Point. LUNATIA HALLI Gabb, p. 677 9-10. Two views of an internal cast. Merchantville clay-marl; Lenola, (163). 11-14. Two views each of two specimens. Navesink marl; Mullica Hill, (169). 15-16. Two views of one specimen. 17-19. Views of three different specimens. Wenonah sand; near Crawfords Corner, (126* ). LUNATIA ? PAUPERATA (Whitfield), p. 680 20-23. Two lateral views each of the two type specimens. Navesink marl; Cross-clicks Creek. 1036 PLATE LXXVI. 2O 21 GASTROPODA. EXPLANATION OF PLATE LXXVII. AMAUR?PSIS MEEKAXA Whitfield, 1-2. Two lateral views cf an internal cast. 3. Lateral view of another internal cast. Woodbury clay; Lorillard, (102). AMAUROPSIS PUNCTATA (Gabb) , p. 682 4-6. Lateral views of three specimens, fig. 6 being that of the type specimen. Xarcsink marl; Mitllica Hill. GYRODES ABYSSINA (Morton), p. 683 7-9. Lateral, vertical and basal view of an internal cast. Navesink marl; Mullica Hill (169). GYRODES CRENATA Conrad, p. 685 10-12. Lateral, vertical and basal views of an internal cast. Merchantvillc clay-marl; Lenola, (163). GYRODES PETROSUS (Morton), p. 689 13-15. Lateral, vertical and basai views of an internal cast. Navesink marl; Middlctozi-n, (113}. 16-18. Lateral, vertical and basal views of an internal cast. Wenonah sand; near Crawfords Corner, (/^63). GYRODES ALTISPIRA (Gabb), p. 687 19-21. Vertical and two lateral views of an internal cast. Merchantville clay-marl; Lenola, (163). 1038 PLATE LXXVII. 2 3 9k. 10 13 1 1 14 12 15 s 16 19 18 20 21 17 GASTROPODA. EXPLANATION OF PLATE LXXVIII. XENOPHORA LEPROSA (Morton), p. 6~o 1-3. Lateral, vertical and basal views of an internal cast. Nave sink marl; Atlantic Highlands. ENDCPTYGM A UMEILICATA (Tuomey ) , p. 692 4-6. Lateral, basal and vertical views of an internal cast. Merchantvillc clay-marl; Lenola, (/6j). TUKRITELLA QUADRILIRA JohllSOH p. 6p5 7. Lateral view of a plaster cast from a natural mould. CM wood clay; Cliffwood Point, (105). TURRITELLA LENOLENSIS n. Sp., p. 698 8. Lateral view of a plaster cast from a natural mould. Mcrchantvillc clay-marl; Lenola, (163). TURRITELLA sp., 9. Lateral view of an internal cast. Manasquan marl; Farmingdale. TURRITELLA ENCRINOIDES Morton, p. 694 lo-ii. Lateral views of two internal casts illustrated by Whitfield. Navcsink marl. 12-13. Lateral views of two fragmentary internal casts. Navcsink marl; near IValnford, (149). TURRITELLA VERTEBROIDES Morton, p. 693 14-15. Lateral views of two specimens from Eufaula, Alabama, preserving the shell. Coll. U. S. Nat. Mus.t No. 21,128. 16. Lateral view of an internal cast. Navesink marl; near Walnford, (149). 17. Lateral view of a large internal cast illustrated by Whitfield. Navcsink marl. 1040 PLATE LXXVIII. 17 GASTROPODA. EXPLANATION OF PLATE LXXIX. TURRITELLA LIPPINCOTTI Whitfield, 1. Lateral view of one of the type specimens. Nave sink marl; Holmdel. TURRITELA JERSEYENSIS 11. sp., ........................................ P- 7<>2 2. Lateral view of an internal cast. 3. Lateral view of a plaster cast from a part of the natural mould of the same. Cliff wood clay; Cliff zvood Point, TuRRiTELLA TRILIRA Conrad, .......................................... P- °99 4. Lateral view of a specimen from Eufaula, Alabama, preserv- ing the shell. Coll. U. S. Nat. Mus., No. 21,123. 5. View of a plaster cast from a natural mould of the exterior. Wenonah sand; -near Crazvfords Corner, (126*). TURRITELLA TIPPANA Conrad, ......................................... P- 7°°' 6. Lateral view of a specimen from Ripley, Mississippi, preserv- ing the shell. Coll, U. S. Nat. Mus., No. 20,419. 7. An imperfect specimen preserving the shell. Marshalltown clay-marl; near Swedcsboro, (/77). TURRITELLA sp. 8. Lateral view of an internal cast. 9. Lateral view of a plaster cast from a natural mould of the exterior. Wenonah sand; near Crawfords Corner, (/