ADDENDA. 



4V3 



the tarso-metatareal articulation marks the front of the eye. Upper 

 surfaces with smooth warts ; a fold from the eye to the shoulder ; 

 belly and lower surface of thighs granulate. Green abovOj marbled 

 with black; a hourglass-shaped black spot beginning between the 

 eyes ; limbs with broad black cross bars ; digital disks pink above ; 

 lower surfaces black, marbled with yeUow. From snout to vent 

 30 millim. 

 Madagascar. 



a. Hgr. ? East Betsileo. Kev. Deans Cowan [C.]. 



Page 180. 



The synopsis of the genera of the family Byscophidoe is modified 

 as follows : — 



I. Pupil vertical. 



Vomerine teeth in a long transverse series ; precoracoids present ; 

 sternum very large ; tips of fingers aud toes not dilated. 



1. Dyscophus, p. 180. 

 Vomerine teeth in a long transverse series ; precoracoids present ; 



sternum small ; tips of fingers and toes not dilated. 



2. Calluella, p. 181. 

 Vomerine teeth in a long transverse series ; no precoracoids ; 



sternum small ; tips of fingers and toes dilated. 



3. Plethodontoliyla, pp. 182, 473. 



II. Pupil horizontal. 



Vomerine teeth in two small groups ; precoracoids present ; ster- 

 num small ; tips of fingers and toes dilated. 



4. Platypelis, p. 474. 

 Vomerine teeth in a single, median group ; tips of fingers and 



toes dilated 5. Cophyla, p. 475. 



Page 182. COPHYLA. 



The diagnosis given does not apply to the genus so named by 

 Dr. Boettger, but to a new genus : — 



3. PLETHODONTOHYLA. 



The type being : — 



1. Plethodontoliyla notosticta. 



Two new species are added : — 



2. Plethodontohyla inguinalis. 



Snout short, rather pointed ; canthus rostralis angular ; inter- 

 orbital space broader than the upper eyelid ; tympanum slightly 

 distinct, about two fifths the diameter of the eye. Pingers and toes 

 rather slend«r, the tips dilated into small triangular disks ; first 

 finger a little shorter than second; subarticular tubercles of fingers 



