BATRACHIANS FROM EAST AFRICA. 



417 



Measarements in millimetres. 



Snout to vent 28 



Head 9 



Width of head 9 



Snout 3 



Interorbital width 3*5 



1st finger 2*5 



2nd „ 3-5 



3rd 5 



4th „ 4 



Hind limb 43 



Tibia 14 



Foot 19 



The broad truncate snout combined with the very short web 

 between the fingers are the distinguishing features of this 

 species. 



18. Rappia cinctiventris Cope. 



Nairobi. Ex-G.E.A. 



2 specimens. Length 31 and 20 mm. 



Male from Nairobi greyish ; female from Ex-Gr.E.A. pale 

 brown, with a subtriangular dark marking; both have two paired 

 series of small tubercles on head and shoulders. The male 

 differs from the normal in having a subgular disc. 



19. Rappia fulvovittata Cope. 



Duthumi. Morogoro. 



30 specimens. Average length 22 mm. 



Body exceptionally elongated and depressed. Light purplish 

 brown, with two paired dorsal streaks of a darker shade but 

 indistinct. 



20. Rappia marmorata Rapp. 

 Besil. Nairobi. 



5 specimens. Length of largest 34 mm. 



Male specimen from Nairobi is black, with three wide white 

 dorsal bands and finely spotted sides and limbs ; two females 

 from the same locality are uniform grey, speckled wdth black 

 above, salmon-pink beneath, especially hinder side of thighs ; 

 two females from Besil are uniform pale grey. 



21. Rappia argus Ptrs. 



Morogoro. Dar-es-Salaaiii. 



3 specimens. Length 32 and 35 mm. 



Two are light brown above ; a white, black-edged band passing- 

 round snout, through eye to temple or back of head : the third 

 has several ocellar spots on the back, but no canthal band. The 

 absence of the chaiacteristic spots is unusual, but there are 



