52 EANID^. 



67. Rana longirostris. 

 Rana longirostris, Peters, Mon. Berl. Ac. 1870, p. 646, pi. 1. f. 5. 



Very closely allied to Rana oxyrhynchus. Vomerine series con- 

 vergent backwards ; fourth toe not very much longer than third and 

 fifth ; web not emarginate ; metatarsus with two tubercles, the outer 

 one not very prominent ; slits for the vocal vesicles much longer ; 

 sides of the head black. 



Keta, Guinea. 



68. Rana trinodis. 

 Rana trinodis, Soettger, Abhandl. Senck. Ges, xii. p. 114, pi. 1. f. 2, 



Vomerine teeth in two slightly oblique series commencing from 

 the inner front edge of the choanae. Head moderate ; snout long, 

 pointed, with rather indistinct canthus rostralis ; interorbital space 

 narrower than the upper eyelid ; tympanum very distinct, two thirds 

 the diameter of the eye. Fingers moderate, first not extending beyond 

 second ; toes moderate, nearly entirely webbed ; subarticular tubercles 

 small; two oval metatarsal tubercles, the inner compressed, promi- 

 nent, the outer flat ; another flat tubercle below the tibio-tarsal arti- 

 culation.. The hiud limb being carried forwards along the body, the 

 tibio-tarsal articulation reaches between the eye and the tip of the 

 snout. Skin with rather indistinct longitudinal folds. Olive above, 

 spotted with blackish ; a light vertebral line ; hinder side of thighs 

 with a light, black-edged stripe ; limbs cross-barred. (Male without 

 external vocal sacs.) 



Senegambia. 



-"e^ 



a-b, 2 & yg. Senegambia. M. G. A, Boulenger [P.]. 



69. Eana mascareniensis. 



Rana superciliaris, Giinth. Cat. pp. 17 & 132, pi. i. f. B. 

 Rana bibronii, Giinth. I. c. p. 18. 

 Rana mascareniensis, Gi'mth. I. c. p. 18. 

 Rana esculenta, And. Deser. Eyypte, Hept.., Suppl. i. p. 161, pi. 2, 

 f. 11-12. 



mascareniensis, Dum. Sj- Bibr. p. 350 ; Bell, Zool. BeaqJe, Bept. 



p. 32, pi. 16. f. 2 ; Lataste, Bull. Soc. Zool. France, 1879, p. 89 ; 

 Bovleny. eod. loc. p. 92. 



bibronii, Hallow. Proc. Ac. Philad. 1845, p. 249 ; Peters, Mon. 



Berl. Ac. 1863, p. 78. 



mossambica, Peters, Arch.f. Katury. 1854, p. 626. 



nilotica, Sectzcn, Reise Syr. Pal. E<j. iii. p. 490. 



sa-\-ignyi, Jnn, Cenni 3Ii(s. Civ. 3Iilano, p. 52. 



idse, Steind. Verh. zool. -bat. Ges. JVien, 1364, p. 266, pi, 12. 



f. 1. 



nigrescens, Stcindachn. I. c. f. 2. 



aucliietse, Bocaye, Proc. Zool, Soc. 1867, p. 843. 



