60. COLUBER. 29 
B. Scales keeled; anal entire. 
A pair of prefrontals ; two labials entering 
the eye; rostral not or but slightly 
deeper than broad; scales in 27 or 29 
ROWS Sis. Seonte waned VR eee ew NT 43, deppir, p. 66. 
Preefrontals 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 
10 SORMOWAEAe fip te ile t sw nln eee 68 44, catenifer, p. 67. 
Prefrontals 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 sHow1ING NUMBERS OF SCALES AND SHIELDS. 
I. Old-World species. 
Se. V. AY. C. Labials entering eye. 
porphyraceus......... 19 190-215 | 2 52-76 | 4th, 5th. 
CUMCOT IS Is neetnecece sos 19=21 | 218-232 | 1-2 | 65-76" | 4th) 5th. 
hodgsonti .......:....| 23 233-246 | 2 79-90 | 4th, 5th. 
RELENG? Nesvcevecciacsee 23-27 | 220-265 | 1 75-94 | 5th, 6th, or 4th, 5th, 6th. 
leopardinus .......4- 25-27 | 222-260 | 2 68-89 | 4th, 5th. 
hohenackeri .......4. 23-25 | 201-228 | 2 60-66 | 4th, 5th. 
Mandarinus ........- 23 208-222 | 2 62-74 | 3rd, 4th. 
TufodOrsatus .......+- 21 162-190 | 2 47-68 | 3rd, 4th, or 4th, 5th. 
ORE SSoRCE OR ONE 23-27 | 172-214 | 2 50-80 | 4th, 5th, or 5th, 6th. 
quadrilineatus ...... 23-25 | 195-234 | 2 63-90 | 4th, 5th, or 5th, 6th. 
LEMUTUS ese vceeee 23-25 | 230-284 | 1-2 | 90-107 | 4th, 5th, or 5th, 6th. 
Schrenchit ........00+- 23 208-221 | 2 61-76 | 4th, 5th. 
conspicillatus ...... 21 200-224 | 2 60-76 | drd, 4th. 
longissimus w...0000 21-23 | 212-248 | 2 60-91 | 4th, 5th, or 5th, 6th. 
climacophorus ...... 23-25 | 226-244 | 1-2 | 97-122 | 4th, dth. 
phyllophis .........+-- 23 209-220 | 1-2 | 80-96 | 4th, Sth, or Sth, 6th. 
GUQUICUe cess ceseccsas 933) 173 2 70 4th, 5th. 
moellendorffit......... 27 268-274 |} 2 \ 97-99 | 6th, 7th. 
oxycephalus ......... 23-27 | 233-268 | 2 | 122-149 | 5th, 6th, or 6th, 7th. 
FOMSENME go onnresreaaves 23-25 | 247-255 | 2 | 133-140 | 5th, 6th, 7th. 
SPONGES taene ate dee. - 19 203-204 | 2 | 120-121 | 4th, 5th, 6th. 
PTASINUS ...0.-.00--- 19 198-206 | 1-2 | 91-107 | 4th, 5th, 6th. 
quadrivirgatus ...... 19 193-210 | 1-2 | 70-96 | 4th, 5th. 
MELANUTUS ...2..00005- 19 193-234 | 1 89-109 | 4th, 5th, 6th. 
TOUATUS ccnneecceaes es 19 224-242 | 1 85-100 | 3rd, 4th, 5th, or 4th, 5th, 
or 4th, 5th, 6th. 
CTYLRTUTUS...0..00000 21 | 211-233 | 1 86-100 | 4th, 5th, 6th. 
ENGANENSIS. ... 0.200005 23 =| 239-243 | 1 | 107-108 | 5th, 6th. 
subradiatus ......... 23-25 | 228-242 | 1 80-100 | 5th, 6th. 
SCOLUIIS: Ssucedeosenee: 25-29 | 201-220 | 1-2 | 48-68 | 4th or 4th, 5th. 
