8 MR. W. K. PARKER ON THE STRUCTURE AND 



8. R. gracilis, Wiez. — Adult male. Ceylon. 



9. R. cyanophhjctis, Schneid. (see Gunther, Kept, of Brit. Ind., p. 406). — 



Ceylon. 



10. Rana 2yyg'>ncea, Gthr. (see P. Z. S., 1875, j^p. 567, 568). — Adult male, f inch 

 long. Anamallays Mountains, Malabar, S.W. India. 



11. R. tigrina,DAVD. — Adult female. Ceylon. 



12. R. hexadactyla, Less. — Adult female. Ceylon. 



13. R. Knhli, ScHLEG. — Mule, two- thirds gi-own. Ceylon. 



14. R. ? sp. — Adult female. A small species, 1 inch long. Lagos, 



W. Africa. 

 Second genus. Tomopterna. 



15. Tomopterna breviceps, Schneid., sp. {Pyxicephaltis breviceps in Gunther's 

 Hept. of Brit. Incl, p. 411).— (A) Half grown female. S. India. (B) Adult 

 female. Ceylon. 



Third genus. Pyxicephalus. 



16. Pyxicephalus ruj'escens, Jerdon. — Adult male. India. 



I. A. a. 2. — Like the last in most things, but have their toes free, or but little webbed, 

 and the " omostcnium" not ossified, or even absent. 



Second Family. "Cystignathid^." 



First genus. Pseudis. 



17. Pseudis paradoxa, Linn., sp. — Larvae in four stages, and adult. S. America. 

 Second genus. Goinphobates. 



18. Gomjihobates (Leiuperus) 1 sp. (see P. Z. S., 1868, p. 478, same as 



Leiuperus, " Batr. Sal.," pp. 22 and 135).— Adult (?), 10 hnes long. River 

 Plate. 

 Third genus. Cystignathus. 



19. Cystignathus ocellatus, var. Linn., sp.- — Adult male, 5-g- inches long, Dominica; 

 with larvae 2^ and 3^ inches long. Brazils. 



20. C. ? sp. — Tadpole, 1 inch long ; tail, | inch ; hmd legs, 1 line. Lake 



Jannarg, Manaoo, Brazils. 



21. C. typhonius, Daud., sp. (C typhonius, DuM. and Bib.). — Adult female, 



1^ inch long. Porto llico. 

 Fourth genus. Pleurodema. 



22. Pleurodema Bibronii, TsCHUDi. — Adult femtile, 1^ mch long. Chili. 

 Fifth genus. Lymnodynastes. 



23. Lymnodynastes tasmaniensis, Gthr. — Adult female. If inch long. Tas- 



mania. 



