106 O:^ THE BATRACHIA AND REPTILIA OF COSTA RICA. 



The pre-frontal bones in this species are unusually wide. 



Three specimens from the east foot of the mountains near Sipurio. 



19. Hyla punctaeiola, Peters, Monatsberichte K. Preuss. Acad. Wiss. 1863, p. 462. 



Five specimens from the Cordilleras, at from 5000 to 7000 feet, agree in 

 essentials with the above-named species, but differ entirely from it in coloration, 

 as well as from each other. Two of the specimens agree with each other exactly 

 in this respect, and as H^l(S are, as far as my experience extends, very constant in 

 coloration, I suspect that the forms below described are true species. 



The H. punctariola is distinguished by the posterior position of its vomerine 

 teeth, the small tympanic membrane, and the free fingers. In all of the Costa 

 Rican specimens the fingers are not entirely free, but a web extends between the 

 outer two to the middle of the first phalange. The area of the tympanum in the 

 same is one-fourth that of the orbit. The head is short and wide, and the heel 

 extends nearly or quite to the end of the muzzle. 



Subspecies pictipes: color light brown above, not sharply bordered on the sides, 

 below white. Edge of upper lip, tarsus, and outer toe, white. The sides are 

 marbled with dark-brown and yellow from near axilla to groin ; and the front and 

 back of the femora on each side of the superior brown longitudinal band are 

 yellowish-brown, spotted with bright yellow. Two outer toes brown, inner toes 

 yellow. Humerus, cubitus, and two outer fingers, brown above. Back, lips, and 

 belly, unspotted. Two specimens. 



Subspecies moesta. Above brownish-black, sides and femora, except above and 

 below, deep black. Some white spots on sides behind axillae, and some small 

 yellow ones near groin. A few minute white points on front and back of femur, 

 and upper surfaces of feet. Otherwise the limbs and hands, except the thumb, are 

 black. Lower surfaces thickly black spotted except on breast and tibia, where the 

 white predominates. One specimen. 



Subspecies monticola. Color light grayish-brown with large dark-brown spots, 

 forming transverse bars, one between the eyes, one in front of the scapulse, one 

 behind the scapulse, and one at the sacrum. Below unspotted white. Limbs with 

 light-brown surfaces above; concealed surfaces pale, unspotted. No inguinal 

 spots ; a few specks of brown on sides. Length of head and body .037 m. Size 

 of H. p. moesta identical ; of H. p. pictipes a little smaller. One specimen. 

 The original H. punctariola is from Veragua, Panama. 



Before leaving the genus Hyla, I may mention that the Hyla polytcenia, Cope, 

 (Proc. Amer. Philos. Soc. 1869, p. 164) has been described by Prof. Peters as H. 

 striata (Monatsber. K. Preuss. Acad. 1872, p. 681). 



