52 RANID®. 
67. Rana longirostris. 
Rana longirostris, Peters, Mon. Berl. Ac, 1870, p. 646, pl. 1. f. 5. 
Very closely allied to Rana owyrhynchus, | Vomerine series con- 
vergent backwards ; fourth toe not very much longer than third and 
fifth ; ; web not emarginate ; metatarsus with two fiboniee 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, Boettger, Abhandl. Senck. Ges. xii. p. 114, pl. 1. f. 2. 
Vomerine teeth in two slightly oblique series commencing from 
the inner front edge of the choane. 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 hind 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. 
a-b, 9 & ye. Senegambia. M. G. A. Boulenger [P.]. 
69. Rana mascareniensis. 
Rana superciliaris, Giinth. Cat. pp. 17 & 132, pl. i. f. B. 
Rana bibronii, Giinth. ¢. ce. p. 18. 
Rana sere cranes Giinth. 1. c. p. 18. 
Rana esculenta, Aud. Descr.. Egypte, Rept., Suppl. i. p. 161, pl. 2. 
f. L112. 
— mascareniensis, Dum. § Libr. p. 850; Bell, Zool. Beagle, Rept. 
p- 32, pl. 16. f. 2; Lataste, Bull. Soc, Zool. France, 1879, p. 89; 
Bouleng. eod. loc. p. 92. 
bibronii, Hallow. Proc. Ac. Philad. 1845, p. 249; Peters, Mon. 
Berl, Ac. 1863, p. 78. 
mossambica, Peters, Arch. f. Naturg. 1854, p. 626. 
nilotica, Seetzen, Reise Sy, Pal. Eg. ii. p. 490, 
savignyl, Jan, Cenni Mus. Civ. Milano, p. 52. 
idee, Steind. Verh. zool.-bot. Ges. Wi ren, 1364, p. 266, = 12. 
ee 
nigrescens, Steindachn. 1. c. f. 2 
— anchiete, Bocage, Proc. Zool, Soc. 1867, p. 843. 
