152 ENGISTOMATIDJE. 



B. Greyish above, marbled with yellow and blackish brown ; 



beneath yellowish, anal region brown. 



l-o, p-q. S ? . W. Ecuador. Mr. Fraser [C.]. 



r. 5 • Paitauga, Ecuador. Mr. Buckley [0.]. 



C. Purplish brown above, immaculate ; limbs green ; flanks 



greenish or purple, white-dotted : greenish yellow beneath, 



)i,t. c?. Paitanga, Ecuador. Mr. Buckley [C.]. 



D. Bright green, with a few irregular purple spots ; greenish 



yellow beneath, except the belly and thighs, which are orange. 



?', v. c? $ . Intae, Ecuador. Mr. Buckley [C.]. 



4. Phryniscus seminiferus. 



Atelopus seminiferus, Cope, Proc. Ac. Philnd. 1874, p. 130. 



Snout viewed from above rounded, truncate, and in profile some- 

 what prominent ; the diameter of the eye equals the length of the 

 snout. Pingers slightly, toes entirely webbed. Body elongate, 

 limbs rather short; the heel marking the scapula. Skin smooth 

 except on the sides, where there are numerous closely-placed minute 

 tubercles from the head to the groin ; a broad fold of skin extending 

 from the side to the middle of the length of the femur. Above 

 dark brown ; below brownish orange ; sides black from head to 

 groin ; each tubercle of the skin yellow, resembling yellow grains ; 

 limbs uniform black. 



Peru. 



5. Phryniscus varius. 



Phiyniscus varius, G'dnth, Cat, p. 45. 

 Atelopus varius, Stannius, Handb. der Zoot. 2. Aufl. Amph. p. 16 ; 



Keferst. Gottinc/. Nachr. 1867, p. 850, and Arch. f. Naturg. 1868, 



p. 292, pi. viii. f. 33 & 34. 

 Phryuidium varium, 3Iartens, Nomencl. Eept. Mus. Zool. Berol. 



p. 40. 

 Hylfemorphus dunierilii, Schmidt, Denkschr. Ac. Wien, 1858, p. 255, 



pi. 3. f. 23 & 24. 



Habit slender. Head longer than broad, its length contained 

 twice and a half or twice and two thirds in females, twice or twice 

 and one third in males, in the length of the trunk ; sides of head 

 vertical ; snout subacuminate, projecting ; nostril much nearer the 

 tip of the snout than the eye ; the diameter of the latter equals its 

 distance from the nostril ; iuterorbital space considerably broader 

 than the upper eyelid in females, as broad as, or a little broader than 

 the upper eyelid in males. Fore limb slender, as long as or a little 

 longer than the trunk ; fingers moderate, fij-st short but very 

 distinct; one rather indistinct metacarpal tubercle ; no subarticular 



