41^ MISS JOAN B. PROCTIill OX TAILLESS 



Mhonga, about 20 miles east of Morogoro. 

 Dar-es-Scdaam. 



3. Portuguese East Africa. 

 Lumho. 



R ANIDiE. 



Rana, s. str. 



1. Rana nutti Blgr.* 



Nairobi. Morogovo. Longido West. 



35 specimens. Average length of adult males 55 mm., of 

 adult females 70 mm.; largest female 83 mm. 



Snout variable both in length and in degree of acumination. 



Subgen^is Tomopterna. 



2. Rana delalandii Bibr. 



Kagiado. Ex-G.E.A. 



4 specimens. Length of adult females 41 and 45 mm. 

 A fine white vertebral line in one specimen ; a linear vei-tebral 

 groove in three specimens. 



Subgenus Ptychadexa. 



3. Rana oxyrhynchus Sund. 



Thika. Nairobi. Morogoro. Duthumi. Gonja. 



72 specimens, Average length of adult males 40 mm., of 

 adult females 55 mm. 



An extremely variable species. Snout equal to or twice as 

 long as diameter of eye, rounded or acutely pointed, sometimes 

 very projecting. Length of tibia 1| to If times in length of 

 body, more often \k times in females. Posterior corner of slit- 

 like opening of male's vocal sac in line with lower border of arm. 

 No light vertebral band. 



4. Rana mascareniensis D. & B. 



Nairobi. Gonya. Ex-G.E.A. 



15 specimens. Average length of adult males 47 mm. ; females 

 half-grown. 



Hind limb very variable in length, tibio-tarsal articulation 

 reaching anywhere between eye and tip of snout ; length of tibia 

 1§ to 1| times in length from snout to vent in males. 1| to 2 

 times in females. Yocal sac of male in line with upper border 

 of arm; 11 half-grown females have rudimentary vocal sacs. 

 Markings very regular, the first two series of spots coinciding 

 with the first two glandular folds, and often bisected by them ; 

 almost all specin)ens have a broad light vertebral band, and 

 often a still lighter fine vertebral line in addition. 



* " A specimen of Nutt's frog was taken at Kabete, which had retained its tail 

 tliough nearlj- fvill-grovvn." — A. Loveeidge, TPield Notes. 



