60. COLTJBEE. 



29 



B. Scales keeled ; anal entire. 



A pair of prsefrontals ; two labials entering 



the eye; rostral not or but slightly 



deeper than broad ; scales in 27 or 29 



rows 43. depjpii, p. 66. 



Praefrontals usually broken up into two 



pairs or more ; not more than one labial 



entering the eye ; rostral not or but 



slightly deeper than broad ; scales in 29 



to 35 rows 44. catenifer, p. 67. 



Prsefrontals broken up into two pairs or 



more ; rostral much deeper than broad, 



the portion visible from above measuring 



more than half its distance from the 



frontal; scales in 29 to 35 rows 45. melanoleucus, p. 68. 



Table showing Numbees of Scales and Shields. 

 I. Old-World species. 



Se. 



V. 



A. 



Labials entering eye. 



porphf/raceus. . 

 cantoris 



hohenackeri . 

 mandarinus . 

 rufodorsattis . 

 dione 



phyllophis . 



davidi 



moellendorffii. 



qvMd/rivirgatus . 



melaniirus 



radiatus 



ery thrums.. 



subradiatas 

 scalaris 



19 

 19-21 



23 

 23-27 

 2.^-27 

 23-25 



23 



21 

 23-27 

 23-25 

 23-25 



23 



21 

 21-23 

 23-25 



23 



23 



27 

 23-27 

 23-25 



19 



19 



19 



19 



19 



21 



23 

 23-25 

 25-29 



190-215 

 213-232 

 233-246 

 220-265 

 222-260 

 201-228 

 208-222 

 162-190 

 172-214 

 195-234 

 230-284 

 208-221 

 200-224 

 212-248 

 226-244 

 209-220 



173 

 268-274 

 23:3-263 

 247-255 

 203-204 

 198-206 

 193-210 

 193-234 

 224r-242 



211-233 

 239-243 

 228-242 

 201-220 



2 

 1-2 



2 



1 



2 



2 



2 



2 



2 



2 

 1-2 



2 



2 



2 



1-2 

 1-2 



2 



2 



2 



2 



2 



1-2 

 1-2 



1 



1 



1 



1 



1 

 1-2 



52-76 



65-76 



79-90 



75-94 



68-89 



60-66 



62 74 



47-68 



50-80 



63-90 



90-107 



61-76 



60-76 



60-91 



97-122 



80-96 



70 



97-99 



122-149 



133-140 



120-121 



91-107 



70-96 



89-109 



85-100 



86-100 



107-108 



80-100 



48-68 



4th, 5th. 



4th, 5th. 



4t.h, 5th. 



5th, 6th, or 4th, 5th, 6th. 



4th, 5th. 



4th, 6th. 



Srd, 4th. 



3rd, 4th, or 4th, 6th. 



4th, 6th, or 5th, 6th. 



4th, 5th, or 6th, 6th. 



4th, 5th, or 5th, 6th. 



4th, 5th. 



3rd, 4th. 



4th, 5th, or 5th, 6th. 



4th, 5th. 



4th, 5th, or 5th, 6th. 



4th, 5th. 



6th, 7th. 



5th, 6th, or 6th, 7th. 



5th, 6th, 7th. 



4th, 5th, 6th. 



4th, 5th, 6th. 



4th, 5th. 



4th, 5th, 6th. 



3rd, 4th, 5th, or 4th, 5th, 



or 4th, 5th, 6th. 

 4th, 6th, 6th. 

 6th, 6th. 

 5th, 6th. 

 4th or 4th, 5th. 



