ADDENDA. 47^ 



the tarso-metatarsal 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 above, 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 yellow. From suout to vent 

 30 millim. 

 Madagascar. 



a. Ilgr. ? East Betsileo. Rev. Deans Cowan [C.]. 



Page 180. 



The synopsis of the genera of the family Dyscojrftidce is modified 

 as follows : — 



I. Pupil vertical. 



Vomerine teeth in a long transverse series ; precoracoids present ; 

 sternum very large; tips of fingers and 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. 1S1. 

 Vomerine teeth in a long transverse scries ; no precoracoids ; 



sternum small ; tips of fingers and toes dilated. 



3. Plethodontohyla, pp. 1S2, 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 1S2. 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. Plethodontohyla 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. Fingers and toes 

 rather slender, the tips dilated into small triangular disks; first 

 finger a little shorter than second; subarticular tubercles of fingers 



