108 Mr. G. A. Boulenger on 



as long as broad ; snout acutely pointed^ longer tlian the 

 diameter of the orbit, very strongly projecting beyond the 

 mouth ; canthus rostralis feebly marked ; loreal region 

 slightly concave ; nostril midway between tiie eye and the 

 end of the snout ; interorbital space narrower than the upper 

 eyelid; tympanum distinct, three fourths the diameter of the 

 eye. Fingers moderate, obtusely pointed, first not extending 

 quite as far as second ; toes very long and slender, barely 

 half webbed ; subarticular tubercles moderate ; a small, oval, 

 inner metatarsal tubercle. Tlie tibio-tarsal articulation reaches 

 far beyond the tip of the snout. Foot nearly two thirds tlie 

 length of head and body, tibia ratiier more than two thirds. 

 Back with eight glandular longitudinal folds, outer strongest; 

 a glandular fold from beneath the eye to the shoulder. 

 Greyish olive above, with black spots; limbs with regular 

 blackish cross-bars ; a black band on the side of the head, 

 passing througii the eye and covering the temple; a vertebral 

 stripe, the outer glandular fold, and a streak on the upper 

 lip, from the end of the snout to the shoulder, yellowish 

 white ; lower parts white, edge of lower jaw and side of 

 tiiroat black. 



From snout to vent 40 mm. 



A single female specimen from between Benguella and 

 Bihd. 



Tliis new species is intermediate between R. mascarenienais 

 and R. stenocepkala, Blgr. 



7. Rana angolensis, Bocage. 

 Pungo Andongo. 



8. Rana oxyrhynchus, A. Smith. 

 Duque de Bragan^a, Cuanza R. 



9. Phrynohatrachus natulensis, A. Smith. 

 Bange Ngola. 



10. Arthroleptis xenochirus, sp, n. (PI. IV. figs. 2, 2 a.) 



Head moderate, as long as broad ; snout obtusely pointed, 

 projecting beyond the mouth ; nostril a little nearer the end 

 of the snout than the eye; interorbital space as broad as the 

 upper eyelid; tympanum moderately distinct, two thirds the 

 diameter of the eye. Tliird finger extremely long, three 

 times the length of the second ; toes free ; tips of fingers and 

 toes very slightly swollen; subarticular tubercles strong; a 

 small, oval, inner metatarsal tubercle. The tibio-tarsal 



