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U.S. NATIONAL MUSEUM BULLETIN 288 



membrane not reticulate; interorbital distance greater than width 

 of upper eyelid, which is relatively narrow and slightly less than 

 distance between nostrils. Tympanum fairly distinct, about one-half 

 the diameter of eye, separated from eye by a distance "about equal 

 to its own diameter. Fingers with but a trace of web at base, web 

 reaching base of antepenultimate phalanx of third finger, fourth 

 finger considerably longer than second, reaching to disk of third 

 which snugly covers the tympanic area; no projecting rudiment of 

 a pollex; no ulnar ridge. Toes more than one-half webbed, the web 

 on fourth toe reaching base of penultimate phalanx, then continuing 

 as a thin margin to base of disk, third and fifth toes subequal, disk 

 of fourth toe covering the tympanic area; a distinct oval inner but 

 no apparent outer metatarsal tubercle; no tarsal ridge; no dermal ap- 

 pendage on heel. Body moderately elongate, in postaxillary region a 

 little narrower than greatest width of head; when hind leg is ad- 

 pressed, heel fails to reach posterior margin of eye; when limbs are 

 laid along the side, knee and elbow fail to meet; when hind legs 

 are bent at right angles to body, heels overlap slightly. A small 



Figuke 25.— Hyla bogerti, holotype, USNM 118731 (X 2), 



