= 7 
= 
’ 
54. ZAMENIs. 
. Old-World species. 
383 
© ah 
Lab, entering eye. 
ts 
to T wero tortor nonsnotororotoe | > 
4th, 5th, or 5th, 6th. 
Sth, 6th. 
Sth, 6th. | 
5th. 
5th, or 4th, 5th, 
Sth, 6th. 
5th, 6th. 
4th, 5th. 
Sth, 6th. 
Sth, or 5th, 6th. 
5th 
Sth, or 6th, or 0. 
5th, or 6th, or 0. 
4th, 5th. 
0. 
0. 
0. 
. ti, hal -_ SS = =: eo ee Se ae 
If. American species. 
gt Rh re oe Lab. entering eye. 
15 | 154-160 | 2 87 | 4th, 5th. 
17 | 160-190 | 2 74-104 | 3rd, 4th, or 4th, 5th. 
17 | 184-197 2 | 110-128 | 4th; 5th’ 
17 | 185-202} 2 | 111-113 | 4th or 5th. 
| 17 | 182-211 | 2 | 80-112 | 4th, 5th. 
..| 15-17, 196-209 | 1-2 | 115-157 | 4th, 5th. 
| 17 | 191-205 | 2 | 133-152 | 4th, 5th, 6th. 
17 | 184-190) 2 | 127-135 | 4th, 5th, 6th. 
17 | 175-206 2 | 75-108 | 4th, 5th, or 5th, 6th. 
1. Zamenis dipsas. 
Herpetodryas di Schleg. Phys. . ii. p. 197 (1837). 
i Savenuas’ Dae Bie ai J oh rae. 
olivaceus, Giinth. Ann. § Mag. N. H. (3) xv. 1865, p. 92. 
Snout scarcely projecting, obtuse ; eye very large. Rostral broader 
than deep, just visible from above; internasals shorter than the 
prefrontals ; frontal once and a half as long as broad, as long as its 
distance from the end of the snout, a little shorter than the parictals ; 
loreal a little longer than deep; a divided preocular, not touching 
the frontal ; a small subocular below the prwocular ; two postoculars ; 
temporals 2+2; eight upper labials, fourth and fifth entering the 
eye; four or five lower labials ia contact with the anterior chin- 
rr. 
