RENA. , 143 



postparietal and the beginning of the scales. Inferior labials four, 

 similar to the scales under the throat. 



The scales present a great uniformity throughout the whole length 

 of the body ; a little smaller beneath than above. 



Between San Pedro and ), ,^ >,,,., . /-.ix-rvz-ii 

 ^ 7 r. • rr, \ length TJ. tail A. Col. J. D. Graham. 



(Jamanclie tSprings, lex. ) ' 



2. Rena, liuiuilis, B. & G. — Uniform chestnut-brown, lighter be- 

 neath. Scales in l-S rows. Body cylindrical. The eye-shield in contact 

 with the longitudinal series on tOp of the head. 



Body very slender and cylindrical. Tail short, conical, tapering, 

 not acute, y^g of the total length. Head less depressed. Eyes and 

 nostril more distinct than in the preceding species. No supraorbitals. 

 Postparietals much smaller than the parietals. Scales on the abdo- 

 men larger than on the back. 



Valliecitas, Cal. length 6. tail 4. Dr. John L. Le Conte. 



