2. BLANUS. 433 
2. BLANUS. 
Blanus, Wagler, Syst. Amph. p. 197; Gray, Cat. Tort. 1844, p. 72, 
and Proc, Zool. Soc, 1865, p. 446. 
Amphisbeena, part., Dum. § Bibr. v. p. 476, 
Nostril pierced in the first labial; a large frontal, forming a 
suture with the rostral. No enlarged pectoral shields. A well- 
marked lateral line; a curved postgular fold. Tail pointed. Pra- 
anal pores, 
Borders of the Mediterranean. 
The skull shows a lesser degree of specialization than in the other 
Amphisbeenoids: there is an indication of a postorbital process, and 
the lower jaw is relatively long. 
Synopsis of the Species. 
Snout not projecting beyond the lower jaw ; 
four lower labials, first and fourth smallest 1. cinereus, p. 433. 
Snout projecting beyond the lower jaw; four 
lower labials, first and fourth smallest.... 2. strauchii, p. 434. 
Snout projecting beyond the lower jaw; three 
lower labials, first and second large...... 3. bedriage, p. 434. 
1. Blanus cinereus. 
Blanus cinereus, part., Gray, Cat. Tort. p. 72, 
and Sh, Rept. ii. p. 34. 
Amphisbena cinerea, Vandelli, Mem. Ac. Se. Lisb. i. 1797, p. 69; 
Gerv. Mag. Zool. 1836, p. 2, pl. x.; Dum. & Bibr. v. p. 500; 
Strauch, Mél. Biol. Ac. St. Petersb. xi. 1881, p. 416; Bedriaga, 
Arch. f. Nat. 1884, p. 24, pl. iv. 
—— oxyura, Wagl. in Spir, Serp. Bras, p. 72, pl. xxxv. fig. 1. 
?PAmphisbena rufa, Hempr. Verh, Ges. Nat. Fr. Berl. i. 1829 
. 180. 
Blanus cinereus, Wagl. Syst. Amph. p. 197; Schreib. Herp. Eur. 
’ 
p. 334, 
P Blanus rufus, Wiegm. Arch. f. Nat. 1836, p. 157, 
Premaxillary teeth 7; maxillaries 4—4; mandibulars 7—7, 
Snout rounded, not at all projecting beyond the lower jaw. 
Rostral moderate, trapezoid, forming a suture with the large frontal, 
which is as broad as long or a little broader'than long; behind the 
frontal three pairs of slightly enlarged square shields; ocular small, 
eye rather indistinct; four upper labials, first largest, pierced by 
the nostril, fourth smallest; second labial forming a long suture 
with the ocular and a very short one with the frontal. Mental 
trapezoid, followed by a chin-shield of nearly equal size; four lower 
labials, the first and fourth small. A distinct transverse fold behind 
the occiput. One hundred and ten to one hundred and twenty-five 
annuli on the body, and twenty to twenty-two on the tail; an an- 
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