A Catalogue of the Lepidoptera oj Hainan 525 



Pieridae. 



35. Leptosia xiphia Fbr. 



Pap. xiphia, '\Sp. Ins.," ii, p. 43 (1781). 



Nychitona xiphia Moore, Proc. Zool. Soc, p. 699 (1878) (Hainan). 

 Pontia xiphia Holl., Trans. Amer. Ent. Soc, xiv, p. 121 (1887). 

 Interior, April, six $ $ , June, one $ , August, one $ , September, 



two $ $ , two 2 ? , November, one $ . 



36. ? Delias hyparete ciris Fruh. 



Seitz' " Macrolep.," ix, p. 125 (1910) (Siam, Cochin China, Tonkin, 

 Tenasserim) . 



D. hierte Holland (nee Hubn.), Trans. Amer. Ent. Soc, xiv, p. 121 

 (1887). 



We did not receive this species. 



37. Delias aglaia porsenna Cram. 



Pap. porsenna, "Pap. Exot.," i, p. 68, t. xliii, D.E. (1775) 

 ("Batavia " err.). 



Thyca pasithoe Moore (nee Linn.), Proc Zool. Soc, p. 701 (1878). 



Interior, April, one ? , May, two ? ? , June, one ? , August, one tf , 

 one ? , September, one $ , no date, four $ $ , one ? ; Five Finger 

 Mountains, Nanfong, April, one $ . 



38. Prioneris thestylis Doubl. 

 Gray, Zool. Miscell, p. 76 (1842). 



P. thestylis hainanensis Fruhst., Seitz' " Macrolep.," ix, p. 136 (1910) 

 (Hainan) . 



P. thestylis Crowley, Proc Zool. Soc, p. 508 (1900). 



We can detect no constant difference between our series and 

 Indian specimens. The wet form is typical and there are specimens 

 transitional to watsoni Hew. 



f. typ. 



Five Finger Mountains, April, one $ . May, three $ $ . 



i. intermediate. 



Interior, May, one $ , July, one $ , September, two $ $ ; Leanui, 

 wet month, two $ $ . 



f. watsoni Hew. 



Trans. Ent. Soc. Lond., p. 100 (1868). 



P. watsoni Crowley, Proc Zool. Soc, p. 508 (1900). 



We did not receive this form. 



