3. AMPHISB ENA, 435 
hundred and one to one hundred and fourteen annuli on the body 
and nineteen to twenty-one on the tail; an annulus contains six- 
teen to eighteen dorsal and eighteen to twenty ventral segments. 
Preanal pores ten. In other respects like B. cinereus. 
millim 
Length to vent .............. 175 
War. | og arG ao git gpg eatuedg anergy 21 
Diameter of body ............ 7 
Asia Minor. 
a. Several spec.; ad. & hgr, Xanthus. Sir C. Fellows [P.]. 
(A. 101 to 11447 to 21). (Types.) 
b, Ad. (A. 112+19). Xanthus. 
e. Ad. (A. 110420). oy 
3. AMPHISBENA. 
Amphisbena, Linn. Syst. Nat. i. p. 392, et omn. auct. 
Sarea, Gray, Cat. Tort. 1844, p. 71, and Proc. Zool. Soe. 1865, 
449 
p. 449. 
Cynisca, Gray, Ul. ec. pp. 71, 448. 
Cadea, Gray, ll. ce. pp. 71, 449. 
Diphalus, Cope, Proc. Ac. Philad. 1861, p. 76. 
Bronia, Gray, Proc. Zool. Soc. 1865, p. 448. 
Ophioproctes, Bouleng. Bull. Soc. Zool. France, 1878, p. 300. 
Aporarchus, Cope, Proc. Am. Philos, Soc. xxii. 1885, p. 187. 
Nostril lateral, pierced in a separate nasal. Snout rounded or 
feebly compressed. No enlarged pectoral segments. Tail cylin- 
drical, obtuse. Preeanal pores. 
Tropical America; Tropical Africa. 
Synopsis of the Species. 
I. Nasals forming a suture on the snout. 
A. More than four preeanal pores. 
1. The segments of the two median ventrai rows not twice 
as broad as long. 
a. Nasal suture as long as prefrontal. 
An annulus on the middle of the body 
contains less than 60 segments; the 
median ventral segments not longer 
that. broad eo: ans salem o eases as 1. fuliginosa, p. 487. 
An annulus on the middle of the body 
contains at least 60 segments; the 
median ventral segments longer than 
prod e2 Asada geese es eee 2. alba, p. 438. 
}. Nasal suture much shorter than prefrontal. 
An infraocular ; no preocular ; occipitals 
siiall, .. iyseeees8 4s cease eee 3. beniensis, p. 439. 
2e2 
