121. CALAMARIA. 332 



Si/nojjsis of the Species. 

 I. 129 to 225 ventrals. 



A. Five or six upper labials, third and fourth or fourth aud fifth 

 entering the eye. 



1. Frontal longer than broad. 



a. Symphysial in contact with the chiu-shields. 

 a. Frontal not twice as broad as the supraocular. 

 * Rostral broader than deep. 

 Diameter of the eye less than its distance 



from the mouth 1. U.nhricoidea, p. 333. 



Diameter ot the eye equal to its distance 



from the mouth 2. vermiformis, p. 333. 



Diameter of the eye more than its distance 

 from the mouth ; frontal shorter than 



the parietals 3. staMknechtii, p. 335. 



Diameter of the eye more than its distauce 

 from the mouth; frontal as long as 



the parietals 4. laluemis, p. 335. 



** Eostral as deep as broad. 



t Frontal as long as the parietals. 

 Frontal once and two thirds as long as 



T. ^^"^'^ ■ 5. r/rahoivskh\ p. 33(5. 



-b rental once and a half as long as broad. 6. albiventer, p. 336 

 J^rontal once and one third as long as 



^^^^^ ■• ■ 7. margarkifera, p. 336. 



tt Frontal shorter than the parietals. 



Ventrals 126-144 g. .^h--- 337^ 



\ entrals 1 / 5-195 9. ^,.«^,-^ p_ 333^ 



ft. Frontal at least twice as broad as the supraocular. 

 Rostral as deep as broad ; frontal as long 



the parietals 10. hitorques, p. 338. 



Rostral as deep as broad ; frontal shorter 



than the parietals H. gervaisii, p. 338. 



Rostral a little broader than deep ; frontal 



a little shorter than the parietals 12. sximatrana, p. 339. 



h. First lower labial in contact with its fellow behind the 

 symphysial. 



a. ApriEocular; a postocular. 



* Frontal not more than twice as broad as the supra- 

 ocular. 



t Diameter of the eye much more than its distance 

 from the mouth. . 13. evcreiti, p. 34U. 



