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LEPIDOPTERA INEIGA. 
most species there are not only two very distinct-looking forms which represent the 
extremes of the two seasonal races, and which prevail in the rainy and dry-seasons 
respectively, but also numerous intermediates linking these extremes together, many 
of these intermediates having received names. A further point to be noticed is that 
these forms themselves vary according to the vegetation and rainfall, so that the 
extreme of the rainy-season form from a district where the rainfall is great and the 
vegetation dense, is much more pronounced than the extreme of the rainy-season 
form from a district with slight rainfall and sparse vegetation ; and these differences 
are even more marked in the dry-season forms ; while in all genera the dry-season 
forms are, as a rule, smaller than the rainy-season forms.” 
Sub-family PIERINiE. 
Pieridi (pt.), Stephens, Catal. Brit. Lep. B. M. p. 3 (1850). Stainton, Manual Brit. Lep. i. p. 15 
(1857). 
Pierince (Div. 1 ; et 2 pt.), Butler, Cistula Ent. i. p. 55 (1870). 
Pieridce, Schatz, Exot. Schmett. ii. p. 58 (1886). 
Ptevidi, Scudder, Butt. U.S. ii. p. 1154 (1889). 
Pierince , Kirby, Allen’s Nat. Libr. Butt. ii. p. 139 (1896). 
Pierince (Tribe Ajporidi et Pieridi) Tutt, Brit. Butt. pp. 86, 225-9 (1896). 
Pierince (pt.), Jordan, Nov. Zool. v. p. 381 (1898). 
Pieridini (pt.), Grote, Proc. Amer. Phil. Soc. 1900, p. 20. 
Voracia , Hiibner, Yerz. hek. Schmett. p. 90 (1816). 
Char act ees of the Pierim. 
Imago. —Forewing with the subcostal vein either three or four branched ; the 
first branch and usually also the second is emitted before the end of the cell; the 
second being either single or rarely bifid, and the third most generally bifid; the 
upper radial veinlet most generally emitted beyond the end of the cell, and the 
lower radial oulv starting from the cliscocellulars ; in Baltia both radials start from 
the subcostal beyond the cell. 
Genus DANAUS. 
Lanaus (Danai Gandidi), Linnseus, Syst. Nat. x. ed. pp. 467-470 (1758); id. xii, ed. i. 2, pp. 758-765 
(1767). 
Eanaus , Esper, Die Schmett. i. p. 51 (1777). Cederheim, Faun. Ingricse Prod. p. 206 (1798). 
Panzer, Faun. Ins. Germ. Hefte, 84, Index, p. xi. (1801). Oken, Lehrb. i. p. 723 (1815). 
Crotch, Cistula Entom. i. p. 60 (1870). 
Pieris (sect. 3 pt.), Schrank, Fauna Boica, iii. i. p. 160 (1801). 
Pieris (pt.), Latreille, Sonn. Buff. xiv. p. Ill (1805) ; id. Gen. Cr. et Ins. iv. p. 203 (1809). Lamarck, 
Hist. Nat. Anim. iv. p. 30 (1816). Boisduval, Spec. Gen. Lep. i. p. 437 (1836). Doubleday 
