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Show 26 MR. GUY A. K. MARSHALL ON THE [Jan. 19, it approaches nearer T. evarne. T. vulnerata, Staud., is clearly dry-season form of the same species. 53. TERACOLUS EVARNE. Pontia evarne, Klug, Symb. Phys., Ins. pl. vi. figs. 1-4 (1829). Teracolus citreus, Butler, Proc. Zool. Soc. p. 162 (1876). Teracolus xanthevarne, Butler, Proc. Zool. Soc. p. 163 (1876). Teracolus philipsll, Butler, Proc. Zool. Soc. p. 772, pl. xlvii. fig. 11 (1885). This is the northernmost African species in this group, being recorded from Upper Egypt, Abyssinia, and Somaliland, southward to Kilimanjaro. T. xanthevarne represents the fullest development of the wet-season form, and approaches T. incretus ; typical T. evarne is a little less strongly marked ; the specimens placed with T. syrtinus in the British Museum constitute an exactly intermediate seasonal form ; and T. citreus is the full dry-season form. T.philipsii is founded on dwarfed specimens from the Somali deserts, and, as is always the case in such instances, it shows an unbroken gradation into the typical form. Apart from other characters, T. evarne seems to differ constantly from T. auxo and incretus in the more rounded shape of the fore wings at all seasons of the year. 54. TERACOLUS EUCHARIS. Papilio eucharis, Fabricius, Syst. Ent. p. 472 (1775). Papilio aurora, Cramer, Pap. Exot. iv. pl. 299. figs. A & D (1782). Papilio cceneos, Hiibner, Verz. b. Schmett. p. 94 (1816). Pieris tltea, Godart, Enc. Meth. ix. p. 124 (1819). Teracolus pseudevanthe, Butler, Proc. Zool. Soc. p. 164, pl. vii. fig. 16 (1876). Teracolus pallens, Moore, Ann. Mag. N. H. (4) xx. p. 49 (1877). T. pseudevanthe exhibits the strongly marked wet-season coloration ; T. aurora and tltea are intermediates ; and T. eucharis and pollens are the dry-season form, the latter showing a very close relationship to T. evarne (Klug). This species frequents Central and Southern India and Ceylon. 55. TERACOLUS EVANTHE. Anthocarls evanthe, Boisduval, Spec. Gen. Lep. i. p. 567 (1836). Anthocaris ena, Mabille, Bull. Soc. Philom. p. 134 (1879) and Grand. Hist. Madag. pl. xl. fig. 6 (1887). A curious species, linking the T. evarne and evlppe groups • peculiar to Madagascar. T. ena does not seem to present any characters entitling it to specific rank. 56. TERACOLUS ETRIDA. Anthocarls etrida, Boisduval, Sp. Gen. Lep. i. p. 576 (1836) Teracolus limbatus, Butler, Proc. Zool. Soc. p. 161 (1867) Teracolus farslnus, Butler, ibid. p. 159, pl. vii. fig. 1 (1876) |
