BATRACIIIANS FROM WEST AFRICA 



161 



21. Arthroleptis poBCilonotus, Peters. 

 Portuguese Guinea: Bolama, Rio Cassine. 



Fernando Po: Basile, 400-600 m., Musola, 300-700 m. 

 French Congo: Fernand-Vaz , Lambarene, N'DjoIè. 



22. Arthroleptis minutus, Blgr. 

 Portuguese Guinea: Bolama. 

 Previously known from Somaliland. 



23. Arthroleptis calcaratus, Peters. 

 Cameroon: Buea, 800-1200 m. 

 Fernando Po: Punta Frailes. 



24. Arthroleptis cornutus, Blgr. 

 Cameroon: Buea, 800-1200 m. 



Numerous specimens, some with, most of them without a liglit 

 vertebral line ; the black spots on the belly may be absent , or 

 reduced to a pair on the breast; throat of males dark brown. 



25. Arthroleptis dispar, Peters. 



S. Tliomé: Ribeira Palma, 400-600 m. 



Prince's Island, 100-300 m. 



26 Arthroleptis feae, sp. n. (PI. I, figs. 4-6). 



Tongue with a conical median papilla. Head moderate , as 

 long as broad ; snout rounded , as long as the eye , with obtuse 

 canthus; nostril equally distant from the eye and from the end 

 of the snout; interorbital space broader than the upper eyelid; 

 tympanum hidden. Fingers short, first and second equal, more than 

 half as long as third, the tips dilated into small but very distinct 

 disks; foot lialf the length of head and body; toes rather short, 

 very distinctly (one fourth to one third) webbed, the web exten- 

 ding as a narrow fringe on the sides of the tips, which are dilated 

 like the fingers; subarticular tubercles small but very prominent; 

 two small but very prominent metatarsal tubercles , inner oval , 

 outer round; a small rounded tubercle on the inner side of the 

 tarsus, connected with the inner metatarsal tubercle by a narrow 

 dermal ridge; tlie distance between the two metatarsal tubercles 

 equals or nearly equals the distance between the inner and the 

 tarsal tubercle. The tibio-tarsal articulation reaches the eye. Skin 

 more or less tubercular above , often with granular asperities. 

 Very dark brown above with more or less distinct black markings, 

 or entirely blackish; limbs with rather ill-defined black cross-bars; 

 lips and sides of body and of thighs usually spotted or dotted 



Ann. del Mus. Civ. di St. Nat. Serie 3.», Vol. II (10 Maggio 1900). 11 



