18/4.] BUTTERFLIES OF COSTA RICA. 361 



Genus 109. Phosbis, Hubner. 

 Subgenus Phosbis, Butler. 



337. Phoibis cipris. 



$ . Papilio cipris, Cramer, Pap. Exot. ii. pi. 99. figs. E, F 

 (1779). 



c? . Papilio hersilia, Cramer, I. c. pi. 173. figs. C, D (1779). 



Dr. van Patten brought a long series of this species in both sexes, 

 the white female being most common. 



338. Phoibis trite. 



Papilio trite, Linnaeus, Mus. Lud. Ulr. p. 248 (1764) ; Cramer, 

 Pap. Exot. ii. pi. 141. figs. C, D (1779). 



The white female appears to be more common than the yellow. 



Subgenus Metura, Butler. 



339. Phoibis intermedia. 



cJ ?. Callidryas intermedia, Butler, Cist. Ent. iv. p. 81 (Jan. 

 1872) ; Lep. Exot. pi. Iv. figs. 5-8 (1874). 



340. Phozbis VIRGO. 



3 2 • Callidryas virgo, Butler, Trans. Ent. Soc. p. 9.n. 1 (1870); 

 Lep. Exot. x. pi. 29. figs. 1-4 (1871). 

 This species was common in the collection. 



341. Phosbis rurina. 



Callidryas rurina, Felder, Wien. ent. Mon. v. p. 82. n. 36 (1861); 

 Reise derNov. Lep. ii. p. 194. n. 193, pi. 26. figs. 9-11 ("1865"). 



Only one female of this species came amongst several hundreds of 

 the males in Van Patten's collection ; Mr. Buckley also took hardly 

 any in Ecuador, although the males were exceedingly abundant. 



Genus 110. Pieris, Boisduval. 



342. Pieris josephina. 



Pieris josephina, Godart, Enc. Meth. ix. p. 158. n. 136 (1819); 

 Hubner, Samml. ex. Schmett. (1819-1836) {Cat. Josephine']. 



343. Pieris notistriga. 



Pieris notistriga, Butler & Druce, Cist. Ent. v. p. Ill (July 

 1872). 



344. Pieris noctipennis. 



Pieris noctipennis, Butler & Druce, Cist. Ent. v. p. Ill (July 

 1872) ; Lep. Exot. pi. xliii. fig. 7 (1872). 



Genus 111. Appias, Hubner. 



345. Appias poeyi. 



6 ? • Appias poeyi, Butler, P. Z. S. p. 49. n. 54 (1872). 

 $ . Pieris ilaire, Poey (nee Godart), Cent. Lep. (1833). 

 Proc. Zool. Soc— 1874, No. XXIV. 24 



