461 Dr. A. G. Butler on the Pierine Butterflies 



12. Tachyris ithome. 



Pieris ithome. Felder, Wien. ent. Monatschr. iii. p. 180, pi. iv. fie 1 1 

 (1859). 



Celebes. 6 J , 1 ? , B. M. 



13. Tachyris nephele. 



cJ. Pieris nephele, Hewitson, Exot. Butt, ii., Pier. pi. v. fig. 33 (1861) 

 $ . Pieris zamora, Felder, Wien. ent. Monatschr. vi. p. 28(5 (1862). 



Philippines, Celebes. 9 <? ,' 6 ? , B. M. 



Local form Tachyris dilatior. 



Tachyris nephele, var. dilutior, Staudinger, Lepid. v. Palawan, p. 21 

 (1889). 



Palawan. 3 <? , 1 $ , B. M. 



T. nephele is extremely variable as regards the amount of 

 white on the primaries and the width of the blackish outer 

 border of the secondaries ; but whether these differences are 

 seasonal we have no data to prove. The Palawan examples 

 show as much white on the primaries of the males as in any 

 of the males of typical T. nephele, and the border of the 

 secondaries is slightly narrower than in any, whilst it is more 

 or less abruptly excised at apex. 



14. Tachyris florenti a. 



Appias florentia, Grose-Smith and Kirby, Rhop. Exot. ii., Pier 

 Appias, i. figs. 6-8 (1894). 



Solomon Islands. 3 $ , 3 ? , B. M. 

 We received three pairs of this species from the Godraan 

 and Salvin collection. 



15. Tachyris ada. 



Papilio ada, Cramer, Pap. Exot. iv. pi. ccclxiii. C, D (1782). 

 Amboina. 1 <?, 2 ? , B. M. 



16. Tachyris solstitialis, sp. n. 



C?. Above similar to T. florentia, but with the dark brown 

 outer border of the primaries more abruptly tapered ; below 

 also much like T. florentia^ but with the dark brown outer 

 border of the secondaries of only half the width, and the 

 bright orange internal triangular patch consequently of twice 

 the size. 



Expanse of wings 75 millim. 



