1898.] BATRACHIA.NS FROM WESTER>- ECUADOR. 119 



3. COLOSTETHUS LATINASUS Cope. 



Chimbo. 



4. Phyllodromus puichellus Espada. 

 Cachabe. 



DENDROBATID.i;. 



5. Dendrobates tinctorius Schu. 

 Cachabe. 



ENGTSTOMATIDJi:. 



6. Atelopus ignescens Cornalia. 

 Cayamba, Sibambe, Ibarra. 



7. Atelopus crtjciger Mart. 

 Cachabe. 



8. Atelopus elegans Blgr. 



Cachabe. 



This species, known from a single specimen obtained at Tanti 

 (2000 feet) by Mr. "Whymper, varies much in the colour and 

 markings, as shown by the nuiuerous specimens collected by 

 Mr. Eosenberg. The "black lateral streak is constant, but tbe 

 dorsal markings may be iu the form of spots, vermiculate lines, or 

 four regular longitudinal streaks ; the ground-colour of the upper 

 parts is brown, grey, pale greenish, or lemon-yellow^ The largest 

 specimen, a female full of spawn, measures only 37 millim. from 

 snout to vent. 



Cystignathid-^. 



9. Htlodes asomalus, sp. n. (Plate XIV. fig. 2.) 



Tongue oval, entire or indistinctly emarginate behind. Vomerine 

 teeth in two strong, transverse, slightly curved and slightly oblique 

 series behind the choanje, on a level -R-ith the palatine bones. 

 Head rather large, a little broader than long ; snout rounded, as 

 long as the diameter of the orbit ; canthus rostralis distinct ; 

 loreal region very oblique, concave ; nostril a httle nearer the tip 

 of the snout than the eye ; interorbital space much narrower than 

 the upper eyelid ; tympanum distinct, one third to two fifths the 

 diameter of the eye. Pingers rather short, first longer than second, 

 the tips merely swollen ; toes moderate, one half or two thirds 

 webbed, ending in well-developed disks, which are broader than long; 

 subarticular tubercles feeble ; an elongate inner metatarsal tubercle, 

 measuring about two-thirds the length of the inner toe ;_a small, 

 round, outer metatarsal tubercle. The tibio-tarsal articulation 

 reaches between the eye and the tip of the snout. Skin rugose 

 above with small warts and glandular ridges, the strongest of 

 which are behind the eyes ; lower parts smooth ; a well-marked 

 ventral disk. Olive above, mottled and marbled with darker; 



