276 
Annals of the Transvial Museum. 
205. Pieris severina (Cramer). 
Trim., S. Af'r. Buttfi., 3, p. 68 (1889); Auriv., Rhop. Aetli., 
p. 406 (1898). 
Papilio severina Cr., Pap. Exot., 4, p. 95, pi. 338, ff. G, H 
(1781). 
Common in almost every part of the Transvaal. 
206. Pieris mesentina (Cramer). 
Trimen, S. Af'r. Buttfi., 3, p. 59 (1889); Auriv., Rhop. Aeth., 
p. 407 (1898). 
Papilio mesentina Cr., Pap. Exot., 3, p. 140, pi. 270, ff. A, B 
(1780). 
Common generally. 
207. Pieris zochalia Boisduval. 
Spec. Gen. Lep., 1, p. 506 (1836); Trimen, S. Afr. Buttfi., 3, 
p. 57 (1889); Auriv., Rhop. Aeth., p. 408 (1898). 
Although generally- distributed, it does not seem to occur where 
trees are absent, preferring the so-called “ broken veld.” 
208. Pieris thysa Hopffer. 
Mon. K. Ak. Wiss. Berl., 1855, p. 639; Trimen, S. Afr. Buttfi., 
3, p. 44 (1889); Auriv., Rhop. Aeth., p. 409 (1898). 
Krabbefontein, December (Dr. H. G. Breyer), in Mus. Coll. ; 
Barberton (G. W. Jeffery). 
209. Pieris yigea Boisduval. 
Spec. Gen. Lep., 1, p. 523 (1836); Trimen, S. Afr. Buttfi., 3, 
p. 46, pi. 10, ff. 5, ba (1889); Auriv., Rhop. Aetli., p. 412 (1898). 
Barberton, April (Miss L. de Beer); id., November (Gould); 
Louw’s Creek, September (Dr. L. Gough), in Mus. Coll. ; Potchef- 
stroom District (T. Ayres, teste R. Trimen); Noordkaap, Decembei 
(G. W. Jeffery). 
210. Pieris pigea alba Wallengren. 
Auriv., Rhop. Aetli., p. 412 (1898). 
Pinacopteryx alba Wallgr., Lep. Rhop. Caffr., p. 10 (1857). 
Pieris alba Trimen, S. Afr. Buttfi., 3, p. 48 (1889). 
Shilouvane, July (H. A. Junod), in Mus. Coll. 
211. Pieris simana Hopffer. 
Mon. K. Ak. Wiss. Berk, 1855, p. 640; Trimen, S. Afr. Buttfi., 
3, p. 50 (1889); Auriv., Rhop. Aeth., p. 412 (1898). 
Barberton, December (Gould). 
212. Pieris hellica Linnaeus. 
Trimen, S. Afr. Buttfi., 3, p. 73 (1889). 
Papilio hellica L., Syst. Nat., 1, 2, p. 760 (1767). 
Pieris hellica Auriv., Rliop. Aetli., p. 414 (1898). 
Common everywhere. 
