1871.] MR. A. G. BUTLER ON THE GENUS TERIAS. 529 



Genus 3. Leucidia, E. Doubleday, 

 Gen. Diurn. Lepid. p. 77 (1847). 



1. Leucidia elvina. 



Terias elvina, Swainsou, Zool. 111. 1st ser. pi. 22 (1820). 

 Peruambuco. B.M. 



2. Leucidia brephos. 



Mancipium vorax brephos, Hiibner, Samml. ex. Schmett. i. pi. 143 

 (1806-27). 



Venezuela; Para. B.M. 



3. Leucidia leucoma. 



Terias leucoma, Bates, Journ. Entom. i. p. 244. n. 16 (1861). 

 Leucidia elphos, Felder, Wien. ent. Mon. vi. p. 69. n. 17 (1862). 

 Upper Amazons. 

 Close to the preceding, if not a variety of it. 



Genus 4. Terias, Swainson, 

 Zool. 111. 1st ser. pi. 22 (1820). 



1. Terias clara. 



Terias clara, Bates, Journ. Entom. i. p. 243. n. 12 (1861). 

 Leucidia exigua, Prittwitz, Stett. ent. Zeit. p. 133. n. 1 (1865). 

 Var. Leucidia pygmcea, Prittwitz, I.e. p. 133. n. 2 (1865). 

 Tapajos ; Honduras. B.M. 



1 believe L. pygmcea to be merely a dwarfed form of the species ; 

 our examples vary immensely in size. 



2. Terias impura. 



Terias impura, Vollenhoven, Mon. Pier. p. 70. n. 11, pi. 7. f. 5 

 (1865). 

 Timor. 

 Curiously like T. clara. 



3. Terias lirina. 



Terias lirina, Bates, Journ. Entom. i. p. 244. n. 15 (1861). 



Para {Bates). 



Closely allied to T. clara. 



4. Terias albula. 



Papilio albula, Cramer, Pap. Exot. i. pi. 27. f. E (1775). 



2 . Mancipium fugax Nise, Hiibner, Samml. ex. Schmett. i. 

 pi. 146. f. 3, 4 (1806-27). 



Pernambuco ; Demerara; Venezuela. B.M. 



5. Terias? pasiphae. 



Papilio pasipha'e, Cramer, Pap. Exot. i. pi. 80. f. E (1779). 

 Surinam {Cramer). 



May come near T. albula, but is larger than any known species 

 of that group ; possibly the female of Pandemos areas. 

 Proc. Zool. Soc— 1871, No. XXXI V. 



