3. AMPHISBiNA. 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. 

 Praeanal poi'cs ten. In other respects like B. cinereus. 



millim. 



Length to vent 17 



^o 



Tail 21 



Diameter of body 7 



Asia Minor. 



a. Several spec.; ad. & hgr. Xanthus. Sir C. Fellows [P.]-) 



(A. 101 to 114+7 to 21). \ (Types.) 



h. Ad. (A. 112+ 19). Xanthus. j 



c. Ad. (A. 110+20). ? 



3. AMPHISBiENA. 



Amphisbaena, Linn. Syst. Nat. i. p. .392, et onm. auct. 



Sarea, Gmi/, Cat. Tort. 1844, p. 71, and Proc. ZooL Soe. 1865, 



p. 449. 

 Cynisca, Grai/, II. cc. pp. 71, 448. 

 Cadea, Grm/, II. cc. pp. 71, 449. 

 Iliphalus, Cope, Proc. Ac. Pkilad. 1861, p. 76. 

 Bronia, Gray, Proc. Zool. Soc. I860, p. 448. 

 Ophioproctes, Boideng. Bull. Soc. Zool. Fratice, 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. Praeanal pores. 



Tropical America ; Tropical Africa. 



Synopsis of the Sjiecies. 

 I. Nasals forming a suture on the snout. 

 A. More than four praeanal pores. 



1. The segments of the two median ventral rows not twice 



■^c 



as broad as long, 



&• 



a. Nasal suture as long as praefrontal. 



An annulus on the middle of the body 



contains less than GO segments ; the 



median ventral segments not longer 



than broad 1 . fallginosa, p. 437. 



An annulus on the middle of the body 



contains at least GO segments ; the 



median ventral segments longer than 



broad 2. alha, p. 438. 



h. Nasal suture much shorter than prefrontal. 



An infraocular ; no pra30cular ; occipitals 



small 3. beuiensis, p. 439. 



2f2 



