410 MB, G. A. BOTTLEXGER ON APODAL BATRACHIAXS. [May 21, 



Synojysis of the Species. 



Diameter of bocly 27 or 28 times in total length ; 228-250 folds. 1. multiplicata. 



Diameter of body 23 times in total length ; 129 folds 2. proxima. 



Diameterof body 37or38timesintotallength ; 180-190 folds. 3. xmicohr. 



Diameter of body 47 to 53 times in total length ; 166-200 folds. 4. oligozona. 



1. Gymkopis multiplicata. 



Gymnopis multiplicata, Peters, Mon. Berl. Ac. 1874, p. 616, pi. i. 

 fig. 1, and 1879, p. 939, pi. — . fig. 7 ; Bouleng. Cat. p. 100 (1882). 



Siphoiwjjs sinius, Cope, Proc. Am. Phiios. Soc. xvii. 1877, p. 91. 



DermopJiis ? simtis, Peters, Mon. Berl. Ac. 1879, p. 938; 

 Bouleng. I. c. p. 99. 



Gymnopis sima, Cope, Proc. Am. Phiios. Soc. xxii. 1885, p. 171. 



Costa E.ica ; Veragua ; Antioquia. 



2. Gymnopis pboxima. 



Sipjhoiwps proxinius. Cope, Proc. Am. Phiios. Soc. xvii. 1877, p. 90. 



DermopTiis 1 proximus, Peters, Mou. Berl. Ac. 1879, p. 938 ; 

 Bouleng. Cat. p. 99 (1882). 



Gymnopis proxima, Cope, Proc. Am. Phiios. Soc. xxii. 1885, 

 p. 171. 



Costa Rica. 



*3. Gymnopis unicoloe. 



Rhinatrema unicolor, A. Dum. Mem. Soc. Cherb. ix. 1863, p. 321, 

 pi. i. figs. 6, 7. 



Gymnopis unicolor, Peters, Mon. Berl. Ac. 1879, p. 939 ; Bouleng. 

 Cat. 'p. 100 (1882). 



Cayenne. 



*4. Gymnopis oligozona. 



Sip'honop}S oliqozonus, Cope, Proc. Am. Phiios. Soc. xvii. 1877, 

 p. 91. 



Gymnopis ? oligozona, Peters, Mon. Berl. Ac. 1879, p. 939 ; 

 Bouleng. Cat. p. 100 (1882). 



Gymnopis oligozona, Cope, Proc. Am. Phiios. Soc. xxii. 1885, 

 p. 171. 



Guatemala '. 



11. Typhlonectes. 



CcHcilia, part., Dum. & Bibr. viii. p. 274 (1841) ; A. Dum. Mem. 

 Soc. Cherb. ix. 1863, p. 311. 



Typhlonectes, Peters, Mon. Berl. Ac. 1879, p. 940 ; Bouleng. Cat. 

 p. 102 (1882). 



Synopsis of the Species. 



1 35-167 circular folds, interrupted on the back 1 . compressicauda. 



99 circular folds, all complete 2. kaupii. 



Circular folds indistinct 3. natans. 



' The origin of the type specimen is unknown. A specimen from Guatemala, 

 received from the Basle Museum, is in the British Museum. 



