HERPETOLOGY OF PORTU RICO. 



577 



become Jongitudinal streaks, as is eoiiiuionly the caso in Porto Rican 

 specimens. 



Description of tadpole.— X^.'^.'^M. No. 26895; (^italina plantation, 

 Porto Kico, about 000 feet altitude; March 1, 19(»o, L. Stejneoer. col- 

 lector. Leng-th of body about once and one-third its width and 

 slig-htly less than one-half the length of the tail; nostrils nearer the 

 eyes than the end of the snout; distance between eyes one-lifth more 

 than distance between the nostrils, and considerably less than width of 

 mouth; distance between nostrils equals their distance from eyes, as 

 well as the diami^er of the eyes; spiraculum on left side, directed 

 backward and ui)ward. situated above a line drawn l)etween the base 



■0^ m 



^:C^:^'Zzl&Z2^2m^^'iPPQ"^o° 



14 



Figs. 11-14. — Leptodactylus albilabris, tad- 

 pole. 11, lateral view; 12, dor.sal view; V.i, ven- 

 tral view. 2 ■ natural size. 14, mouth, 20 x 

 natural size. 



of the muscular part of tlie tail and the mouth, and nearer to the pos- 

 terior extremity of tlie l)od3'. being- a])out halfway between anterior 

 border of eye and insertion of hind legs; anus a long tube, median and 

 larger than the spiraculum; tail about four times as long as deep, end- 

 ing in an obtuse point; both upper and lower crests contined to the tail 

 and nearh'^ equal in depth, their edges being nearly parallel until the 

 terminal third; the depth of the muscular part of the tail at its liase 

 about two-thirds the greatest total depth. 

 NAT MUS 1902 37 



