TIERPETOLOGY OF PORTO RICO. 



Jj'id of x/irciincria of Avipliiaba'na bakerl r.rdmiiurj. 



088 



Typ 



Suborder SERPEXTES. 



Tho snakos avo l)nt poorly roprc^sentod in l^orto Rico, })oth as to 

 spccios and. at present at least, as to individuals. None of the poison- 

 ous forms, whether Crotalidie or Elapida', are found, not even one of 

 the "" suspects" or opistoglyphs. The four genera which occui- Ixdont^ 

 to no less than three families. They may be told apart by the follow- 

 ing artificial 



KEY TO THE POKTO RICAN SNAKES. 



a* Underside of body covered witli small scales like the back [Tiiphlopida:) 



Ti/pli/<>j>.% ].. (>83. 



a^ Undersiilf (if body covcreil with transverse plates. 



h^ Plates on underside of tail undivided (Boidn) K/iicralrs, ]>. 688. 



b- Plates on underside of tail in pairs [CoroiieUidir). 



(■' Scales on back with one pore near the tip or none Leimn<l(ip]((s, p. 694. 



c'^ Scales on back with two poras Aboplih, p. 699. 



Figs. 138-140. — Head .shields ok Typhlops. /, frontal; ip, interparietal; /. snpralahials; n, nasal; o, 

 ocnlar; p, jiarietals; pf, prefrontal; pro, preoenlar; pto, postoenlar: r. rostral; .^■(/, snpraoeiilar. 



Genus TYPHLOPS" Oppel. 



1811. Ti/pJilops Oppel, Ordn. Rept., }). 54 (tyi)e T. lambricalis). 



1844. Ophthahnidioii Dumeril and P>ibron, Krpet. (Icn., W, p. 262 (type O. Jongis- 



shrmm). 



1845. Anilios Gray, Cat. I.iz. Brit. Mus., p. 135 (type .1. (titstrdlis; not AniUus 



Oken, 1816). 

 1845. Meditnrvi Gray, Cat. Liz. Brit. Mus., ]). 139 (type T. nasutus). 



UTV(/)A6i, blind; c7jip, eye. 



