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By James Bateman, Esq., F.B.S. Imperial folio, with 30 Coloured Plates, £6 16s. 6d. The Rhododendrons of Sikkim-H'imalaya; being an Account, Botanical and Geographical, of the Bhododendrons recently discovered in the Mountains of Eastern Himalaya hv Sir J. D. Hooker, F.B.S. By Sir W. J. Hooker, F.B.S. Folio, 20 Coloured Plates, £4 14s. 6d. LOVELL REEVE & CO., Ltd., 6, HENRIETTA STREET, COVENT GARDEN. COLIINJE. 113 IXIAS MOULMEINENSIS. • *4 Plate 588, fig. 1, d , le, 9 (Wet-season Brood), lb, d , lc, 9 (Dry-season Brood), la, Id, d d (Extreme Dry-season Brood, two forms). Ixias Moulmeinensis , Moore, Proc. Zool. Soc. 1878, p. 837, $ 9 (Fry Form). Watson, Journ. Bo. Nat. Hist. Soc. 1894, p. 505, pi. 2, fig. 25 (Wet Form d ), %• 26 (Dry Form $); id. 1897, p. 669. Butler, Ann. Mag. Nat. Hist. 1886, p. 188; id. 1898, p. 139. Ixias Meipona , Grose-Smith, Ann. Mag. Nat. Hist. 1887, p. 296 ; id. Rhop. Exot. i. ix. pi. 2, figs. 4, 5, d (1888) (Wet Form). Ixias Pyrene, Bingham (part), Fauna of Brit. India, Butt. ii. p. 193 (1907). Wet -season Brood (Figs. 1, le, $ $). Male. Upperside clear pale yellow. Forewing with the sub-apical orange-red fascia somewhat narrower than in the Wet form of Latifasciatus , its black inner border being also narrower. Hindwing with the marginal band also much narrower. Under¬ side clear pale yellow; discocellular spot small; the dusky patch at posterior angle of the Forewing small and slightly defined. Female. Very similar to the male. Forewing with the orange-red fascia smaller, its black borders broader, its inner border contracted in the middle, much thickened upwards and continued in a broad band along the costa to the base. Hindwing with the black outer border narrower and diffused. Underside similar to the male. Expanse, $ 2, $ 2| inches. Dry-season Brood (Figs, lb, lc, $ ?). Male. Upperside clear pale yellow. Forewing with the black inner border of the orange-red sub-apical fascia slightly narrower than in the Wet form. Hindwing with the marginal band narrower. Underside oehreous-yellow. Both wings with delicate slender strigse, transverse cliscal spots with whitish centres. Forewing with a large dusky discocellular spot. Hindwing with a small similar spot. Female. Upperside clear pale yellow. Forewing with a moderately broad orange-red sub-apical fascia, its black inner border being slender medially and broad anteriorly, the basal costal area broadly blackish-grey. Hindwing with the black marginal baud broader than in the male. Underside similar to the male, the transverse discal spots with whitish centres, the discocellular spot more prominent. Forewing also with a dusky patch at the posterior angle. Expanse, $ 2 to 2^, ¥ if to 2| inches. Extreme Dry-season Brood (Figs, la, Id, $ $). Male. Upperside pale yellow. Forewing with the orange-red fascia larger and the black borders narrower than in the ordinary Dry form. Hindwing with the marginal band narrower, sometimes consisting of small spots or entirely unmarked. VOL. VII. Q 114 LEPIDOP TEE A INDICA. Underside similar to the Dry form, except that both wings have the discal spots more developed. Female. Upperside pale yellow. Forewing with the sub-apical fascia orange- red, its black inner band composed of an anterior oblique even-edged bar, from which to beneath the middle median veinlet the edge is not black scaled, and from thence to the posterior angle it is much narrower than in the ordinary dry female. Hi idwing with marginal band slightly developed, narrow, often macular. Underside similar to the male. Expanse, $ ? 2 to 2^ inches. Habitat. —Maulmein to Meetan, Burma. Note. —In Fig. la the artist unfortunately copied a male instead of a female of the extreme Dry-season Brood. IXIAS CITRINA. Plate 588, fig. 2, £, 2a, 9 (Wet-season Brood), 2b, $ (Dry-season Brood). Ixias Citrina , Moore, Proc. Zool. Soe. 1878, p. 837 (Dry Form). Ixias Verna, Bingham (part), Fauna of Brit. India, Butt. ii. p. 195 (1907). Wet-season Brood (Figs. 2, 2a, $ $). Male. Upperside pale yellowish-white. Forewing with the sub-apical orange-red fascia comparatively broader anteriorly and shorter posteriorly, its black inner border narrower than in Pallida = Wet Latifasciatus. Hindwing with the marginal band also half its width. Underside pale yellow. Both wings with slightly apparent strigje, discal ordinary disposed spots and discocellular spots. Female. Upperside very pale yellow. Forewing with the sub-apical fascia often pale yellow, its black inner border medially slender and sometimes broken. Ilindwing with the marginal band broader than in the male. Underside similar to the male, the posterior patch on the forewing being larger. Expanse, $ $ 2j inches. Dry-season Brood (Fig. 2b). Male, Upperside pale yellowish-white. Forewing similar to the Wet form. Hindwing with the marginal band narrower. Underside more ochreous, with the strigse, discocellular spot, and discal markings darker, the latter with whitish centres. Female. Not known. Expanse, 2f inches. Habitat. —Tenasserim, South Burma. COLIINAE. 115 IXIAS MARIANNE. Plate 589, figs. 1, la, $ 2 (Wet-season Brood), lb, lc, 2 (Dry-season Brood), Id (Another Form), le, ? (Another Form with pinkish tinge), If, lg, $ 2 (Extreme Dry-season Brood). Papilio Marianne , Cramer, Pap. Exot. iii. pi. 217, figs. C, D, 2 j B, $ (1780) (Wet Form). Pajnlio Sesia, Fabricius (part), Mant. Ins. p. 22 (1787). Thestias Marianne , Boisduval, Spec. Gen. Lep. i. p. 592 (1836). Doubleday, Gen. D. Lep. p. 61 (1847). Butler, Catal. Fabr. Lep. B. M. p. 216 (1869). Ixias Marianne , Hiibner, Verz. bek. Schmett., p. 95 (1816). Butler, P.Z.S. 1871, p. 253. Moore, Lep. Ceylon, i. p. 126 (1881); id. Proc. Zool. Soc. 1882, p. 254. Watson, Journ. Bo. Nat. Hist. Soc. 1890, p. 36. Betharn, Journ. Bo. Nat. Hist. Soc. 1891, p. 324. Watson (part), Journ. Bo. Nat. Hist. Soc. 1894, pp. 504, 507, pi. 2, figs. 17, 18, 19. Butler, Ann. Mag. Nat. Hist. 1898, p. 143. Mackinnon and de Niceville, Journ. Bo. Nat. Hist. Soc. 1898, p. 591, de Bhe-Philipe, Journ. Bo. Nat. Hist. Soc. 1902, p. 492. Bingham, Fauna of Brit. India, Butt, ii. p. 196 (1907). Pieris Marianne , Godart, Enc. Meth. ix. p. 120 (1819). Pontia Marianne , Horsfield, Catal. Lep. Mus. E.I.C. p. 142 (1829). Ixias jBebryce , Hiibner, Verz. bek. Schmett. p. 95, £ (1816). Antfflpcharis Marianne , Lucas, Lep. Exot. pi. 35, fig. 1, $ (1845). Ixias Agnivena, Moore, Ann. Mag. Nat. Hist. 1877, p. 50, $ 2 (Extreme Dry). Butler, Proc. Zool. Soc. 1880, p. 150. Swinhoe, Proc. Zool. Soc. 1885, p. 141. Ixias Depalpura , Butler, Proc. Zool. Soc. 1883, p. 153, pi. 24, figs. 6, 7, £ 2 (Extreme Dry), Swinhoe, Proc. Zool. Soc. 1886, p. 432. Ixias Meridionalis , Swinhoe, Proc. Zool. Soc. 1885, p. 140, pi. 9, fig. 5, 2 (Dry Form); id. 1886, p. 432. Ixias Cumballa , Swinhoe, l.c. p. 141, pi. 9, figs. 13, 14, £ 2 (Wet Form). Wet-season Brood (Figs. 1, la, $ ?). Male. Upperside white, the basal areas and the inner edge of the black oblique band in the forewing tinged with bluish-grey. Forewing with a broad sub-apical orange-red fascia (broader than in all other Indian species), the upper discocellular portion only of which is always present; the black inner oblique transverse border broad. Hind wing with the black marginal band broad and continuous. Upperside pale sulphur-yellow. Both wings with a few outwardly-disposed very slightly defined slender dusky strigse. Forewing with the basal area white, the subapical area medially flushed with pale orange ; a black large discocellular spot, centred with a white dot, a transverse discal series of small black spots, a black patch at the posterior angle, and a streak on the end of the middle median veinlet. Hindwing with a small black discocellular spot with white centre, and a transverse discal series of blackish- brown spots, of which the middle two, three, or four are the larger and pale-centred. Female. Upperside white as in the male, or very rarely the ground colour is slightly orange-tinted. Forewing with the basal area tinged with darker bluish- grey than in the male, the sub-apical orange fascia narrower, sometimes whitish apically, Q 2 116 LEPIBOPTERA INDICA. and traversed by four black spots, its inner black border being sometimes narrower than in the male. Hinclwing with the black marginal band broader than in the male. Underside similar to the male (or rarely the ground colour is of an ochreous tint, which is brightest in the forewing) except that all the markings are more prominent. Expanse, $ $ 2| to 2-| inches. Dry-season Brood ( Meridionalis ), (Figs, lb, lc, Id, le, ?). Male. Upperside white. Forewing similar to the Wet form, the black inner border of the orange fascia generally slightly narrower. Hindwing with the black marginal band also narrower. Underside similar to the Wet form, the transverse series of discal spots being more developed, and those on the hindwing white-centred. Female. Upperside white. Forewing with the sub-apical orange fascia as in the Wet form, its black inner border anteriorly formed by an oblique bar, terminating at the lower end of the cell, the ordinary medial portion being absent, or sometimes very slightly indicated by a few slightly defined scales, and the lower end pointedly terminating at the posterior angle. Hindwing with the black marginal band some¬ times narrower, sometimes broader, than in the male. Underside deeper yellow than in the I Vet female. Forewing with the sub-apical orange flush brighter, the discoceilular spot and outer markings more prominent, the upper discal spots pale- centred. Hindwing with the markings more prominent, all the discal spots being more prominent, larger, and white-centred. Expanse, $ $ if to 2 inches. Extreme Dry-season Brood ( Agnivena = Depalpura ), (Figs. If, Ig, $ $). Male. Upperside white. Forewing with the black inner border of the subapical orange fascia narrower than in the ordinary Dry form. Hindwing also with the black marginal band narrower. Underside of deeper and duller yellow; the markings similar. Forewing with the upper discal spots whitish-centred. Hindwing with the discal spots more distinctly white-centred. Female. Upperside white. Forewing similar to the Dry form ; the medial portion of the inner band of the orange fascia without any traces of black scales. Hindwing with the marginal band somewhat narrower. Underside similar to the male. Expanse, $ $ if to 2"inches. Larva. —Pale green, with a lateral pale reddish narrow band; feeds on Capparis sepiaria (Grote). Pupa.-—P ale green, anteriorly bent backwards; head pointed in front; thorax dorsally convex; wing-covers much produced and convex in front, with a slightly reddish sub-apical patch; abdomen pointed at end. COLIINM, 117 Habitat. —Throughout the plains of India and Ceylon, except in the desert portions. Distribution. —Eastern Provinces, Plains, also in forest lands; fond of damp spots (Hutchinson, Ceylon). Taken by us (Meridionalis) at Poona in October and November ; in Bombay, December; Belgaum, September and October ; Ahmednuggur, October and November ; in Bombay (Cumballa), July and August; Hambantotte and Mulliatum, Ceylon, common (Wade). Watson reports its capture in Mysore, Betham in the Central Provinces, Mackinnon in Mussoorie, and de Rhe-Philipe at Lucknow, and we have it from Manipur, Deesa and Karachi. IXIAS NOLA. Plate 590, figs. 1, la, $ ? (Wet-season Brood), lb, lc, J (Dry-season Brood), Id, le, ? (Extreme Dry-season Brood). Ixicis Nola , Swinhoe, Proc. Zool. Soc. 1889, p. 399. Watson, Journ. Bo. Nat. Hist. Soc. 1894, p. 504. Butler, Ann. Mag. Nat. Hist. 1898, p. 143. Bingham, Fauna of Brit. India, Butt. ii. p. 197 (1907). de Rhe-Philipe, Journ. Bo. Nat. Hist. Soc. 1908, p. 885. Wet-season Brood (Figs. 1, la, J £). Male. Upperside white. Forewing with the sub-apical orange fascia much narrower throughout than in the Wet form of Marianne , being also curved uniformly outward, and without any trace of the ordinary red upper portion at end of the cell, its black inner border being of a similar broad width. Mindwing with a narrower, decreasing, posteriorly macular band, which terminates generally at the middle median veinlet. Underside pale yellow. Forewing with the basal area white ; apex slightly flecked wPh grey strigse, the sub-apical area being flushed with very pale orange j discocellular black spot large and with a minute white centred dot; ordinary blackish upper discal spots, the anterior one slightly whitish centred. Mindwing slightly flecked with grey strigrn, the discocellular spot small, brown, with white centred dot; discal spots more or less ill-defined, brownish, the centres whitish. Female. Upperside white. Fore wing of similar pattern to same sex in the Dry form of Marianne , the sub-apical orange fascia much narrower, with three traversing black spots only, its black anterior portion as in the Dry form of Marianne , broad and acutely angled at the lower end, the medial portion without any traces of dark scales. Hindwing with the marginal band similar to the male, but narrower and generally extending only halfway down the wing. Underside similar to the male. Expanse, $ £ 2 inches. Dry-season Brood (Figs, lb, lc, J £). Male. Upperside white. Forewing with the black inner border of the sub-apical orange fascia narrower throughout than in the Wet form, the medial portion being 118 LEPIDOPTEBA INBICA. more or less slender, j Hindwing with the marginal band also narrower and usually extending only halfway down the wing. Underside similar to the Wet forte, except that the transverse discal markings of the hindwing are more prominent and whiter centred. Female. Upperside white. Forewing similar to the Wet form, the upper and lower portion of the black inner band to the sub-apical orange fascia narrower. Hindwing with the marginal band narrower. Underside similar to the Wet form, the discal markings less developed. Expanse, $ $ if to 2 inches. Extreme Dry-season Brood (Figs. Id, le, $ $). Male. Upperside white. Forewing similar to the ordinary Dry form, except that the upper portion of the black inner border of the sub-apical orange fascia is smaller and somewhat broken at the upper end of the cell, and the end of it is more equally quadrate, the medial edge of the fascia being without any dark scaling, or sometimes a few are slightly visible. Hindwing with a slightly-defined dusky upper marginal narrow macular band. Underside similar to the ordinary Dry form. Both wings with the markings similar but less developed. Female. Upperside white. Forewing similar to the ordinary Dry female, except that the upper portion of the black inner band to the orange fascia is smaller and more equally quadrate posteriorly. Hindwing as in the male. Underside similar to the male, but paler throughout. Expanse, $ l\ to If, $ 1^ inches. Habitat. —Mahableshwur. Seems to be confined to the Mahableshwur Mountains ; two stragglers were, however, taken by us at Poona in the month of April, and another by de Bhe-Philipe at Khandalla in October, 1907. Colonel Bingham (p. 197) suggests that it may be a variety of Ixias Marianne , but we have all the seasonal forms in a long series of this very distinct species in the British Museum and in our own Collection. INDO-MALAYAN AND INDO-CHINESE SPECIES. Ixias Evijppe, Papilio Evippe, Drury, Ill. Exot. Ent. i. pi. 5, fig. 2 (1773). Butler, Ann. Mag. Nat. Hist. 1889, p. 136. Habitat, China. Ixias Veniiia , Pieris Venilia, Godart, Enc. Meth. ix. p. 121 (1819). Horsfield (Pontia), Cat. Lep. E.I.C. p. 143 (1829). Wallace, Trans. Ent. Soc. 1867, p. 392. Lucas, Lep. Exot. pi. 36, fig. 1 (1835). Butler, Ann. Mag. Nat. Hist. 1898, p. 135. Habitat, Java. Ixias Bailee , Thestias Balice, Boisduval, Spec. Gen. Lep. i. p. 593 (1836). Wallace, Trans. Ent. Soc. 1867, p. 393. Butler, Proc. Zool. Soc. 1871, p. 253. Eruhstorfer, Berl. Ent. Zeit. 1894, p. 246, pi. 18, fig. 9, J . Habitat, Java. Ixias LudeJcingii, Thestias Ludekingii, Vollenhoven, Monog. Pieridag, p. 49, pi. 5, fig. 6 (1865) ; id. Trjd. voor Ent. 1869, p. 126. Wallace, Trans. Ent. Soc. 1867, p. 396. de Niceville, Journ. As. Soc. Bengal, 1895, p. 500. Habitat, Sumatra. C0LIIN2E. 119 Ixias Vollenhovii, Thestias Vollenhovii, Wallace, Trans. Ent. Soc. 1867, p. 393. Butler, Ann. Mag. Nat. Hist. 1898, p. 135. Synonym , Thestias Yenatrix, Wallace, l.c. p. 393. Ixias Venatrix, Butler, Proc. Zool. Soc. 1871, p. 254, pi. 19, fig. 1, $. Habitat, Java; described in error by Wallace as from Maulmein. Ixias undatus , Butler, Proc. Zool. Soc. 1871, p. 252, pi. 19, fig. 4, $ . Druce, Proc. Zool. Soc. 1873, p. 356. Butler, Ann. Mag. Nat. Hist. 1898, p. 137. Habitat, Borneo. Ixias verna, Druce, Proc. Zool. Soc. 1874, p. 108, pi. 16, figs. 5, 6, $ 9 • Habitat, Siam. Idas Insignis , Butler, Cistula, Entom. ii. p. 431, pi. 8, fig. 1, (1877); id. Ann. Mag. Nat. Hist. 1898, p. 137. Habitat, Formosa. Ixias Birdii , Distant, Ann. Mag. Nat. Hist. 1883, p. 351 ; id. Bhop. Malayana, p. 309, pi. 26, fig. 4, £ (1885). Butler, Ann. Mag. Nat. Hist. 1898, p. 137. Habitat, Malay Peninsula. Ixias Flavijoennisj Grose-Smith, in Forbes’ Nat. Wanderings, p. 275 (1885). Butler, Ann. Mag. Nat. Hist. 1898, p. 135. Thestias Flavipennis, Snellen, Tijd. voor Ent. 1891, p. 335, pi. 16, figs. 1, 2,