8. AGALYCHNIS. 423 



Kef erst. Gotting. Nachr. 1867, p. 356, and Arch. f. Nature/. 1868, 

 p. 297; Broeehi, Bull. Soc. Philom. (7) i. p. 122, and Miss. Sc. 

 3 f ex., Bat r. pi. 1. f. 1. 



Hvla holochlora, Salvia, Proc. Zool. Soc. 1862, p. 460, pi. 32. f. 2. 



Agalychnis holochlora, Cope, Nat. Hist. Bev. 1865, p. 110. 



moreletii, Cope, I. c. 



Tongue oval, nicked behind. Vomerine teeth in two short hori- 

 zontal, nearly straight series on a level with the front edge of the 

 choanae. Head depressed ; snout rounded ; canthus rostralis dis- 

 tinct ; interorbital space slightly concave ; tympanum about two 

 thirds the width of the eye. Limbs slender ; the hind limb being 

 carried forwards along the body, the tibio-tarsal articulation reaches 

 between the eye and the tip of the snout ; arm much thinner than 

 forearm ; fingers at least half webbed, sometimes nearly to the 

 disks ; toes two-thirds or three-fourths webbed ; disks of fingers 

 and toes large, larger than the tympanum ; subarticular tubercles 

 very prominent ; a more or less distinct narrow fold along the 

 inner side of the tarsus. Skin smooth, granulate on the belly, 

 under the thighs, and above the vent. Blue-green or violet above, 

 uniform : sides and lower surfaces yellowish, Male with a sub- 

 gular vocal sac. 



C. America. 



a. $ . Coban. O. Salvin, Esq. [P.]. (Type 



of Hxjla holochlora.) 

 b,c.cS2- Guatemala. O. Salvin, Esq. [P.]. 



d, e, f,g. c? , $ , Cartago, Costa Eica. 



& hgr. 

 h. <j>. Neighbourhood of Nazu, Messrs.Salvin&Godman[P.]. 



Costa Eica. 

 i-h. J J . Costa Eica. 



2. Agalychnis callidryas. 



Hyla callidryas, Cope, Proc. Ac. Philad. 1862, p. 359. 

 Agalychnis callidryas, Cope, Nat. Hist. Bev. 1865, p. 110. 



Tongue elongate, elliptic, openly emarginate. Vomerine teeth 

 in two oblique series, convergent posteriorly, anteriorly opposite 

 anterior border of ehoance. Head elongate, maxillary outlines 

 convergent, nearly straight ; loreal region subvertical ; canthus 

 rostralis straight, rounded ; tympanum nearly as large as the eye, 

 obliquely elliptic. Fingers one-fourth, toes half webbed ; disks 

 very large. Heel reaching the end of the snout when extended. 

 Skin above smooth. Blue-purple above, greenish on the scapular 

 region ; humerus, femur (except a narrow blue stripe), and under 

 surfaces uniform saffron ; numerous oblique bands of a lighter 

 yellow on the sides. 



Panama. 



