BOIDJE. 71 



Total length 190 millim. 



Arizona, Lower California, and Western Mexico. 



a-b. AA. Presidio, near Mazatlan. Mr. Forrer [C,]. 



27. Glaucoma septemstriata. 



Typhlops septemstriatus, Schneid. Hist. Amph. ii. p. 341 (1801). 

 Catodon septemstriatus, Dum. Sr Bihr. vi. p. 319 (1844). 

 Stenostoma septemstriatum, Jan, loon. Gen. p. 39. 1. 1, pis. v. & vi. 



fig. 13(1864). 

 Siagonodon septemstriatus, Peters, Sitzb. Ges. naturf. Freunde, 



1881, p. 71 ; Bocourt, Miss. So. Mex., Bept. p. 507 (1882). 



Snout rounded ; no supraoculars, the oculars being separated 

 from each other, on the top of the head, by a single shield ; rostral 

 truncate above, extending to between the eyes ; nasal completely 

 divided into two ; ocular bordering the lip, between two labials, the 

 anterior of which is very small. 14 scales round the body. 

 Diameter of body 45 times in the total length, length of tail 28 

 times. Yellowish, with seven black lines along the dorsal scales. 



Total length 280 millim. 



Hah. ? 



Fam. 3. BOID.ffi. 



Constrictores, Oppel, Ordn. Bept. p. 49, 1811. 



Pythonoidea, Fitzinger, Neue Classif. Bept. p. 27, 1826. 



Colubrini, part., Boie, Isis, 1827, p. 510. 



Maorostomata, part. (Holodonta, Isodonta, part.), J. Miiller, Zeitsohr. 



f. Physiol, iv. p. 270, 1831. 

 Boidss, part., Gray, Zool. Miscell. p. 41, 1842. 

 Az^miophides Pythoniens, DumSril Sr Bibi-on, Erp. G6n. vi. p. 358, 



1844. 

 Boidse, part,, Gray, Cat. Sn. p. 82, 1849. 

 Aglyphodontes Holodontiens, part., Aprot^rodontiens, part., Dumeril, 



M4m. Ac. So. xxiii. pp. 424, 428, 1853. 

 Asinea, part. (Peropoda), Stannius, Zool. Amph. p. 6, 1856. 

 Boseidee, Jan, Flenco sist. Ofld. p. 19, 1863. 

 Pythonid», Boidse, Cope, Proc. Ac. Philad. 1864, p. 230. 

 Pythonidas, Erycid», Gunth. Bept. Brit. Ind. pp. 328, 832, 1864. 

 Peropodes, Peters, Beise n. Mossamb. iii. p. 105, 1882. 

 Pythonidee, Boidas, Charinidse, Cope, Am. Nat. 1886, p. 294, atid 



Proc. Amer. Philos. Soo. xxiii. p. 482, 1886. 

 Boidse, Boulenger, Faun. Ind., Bept. p. 234, 1890. 



MaxiUary, palatine, and pterygoid movable; transpalatine present; 

 pterygoid extending to quadrate or mandible ; supratemporal 

 present, attached scale-like to cranium, suspending quadrate ; 

 prsefrontal in contact with nasal. Mandible with coronoid bone. 

 Teeth in both jaws. Vestiges of pelvis and hind limbs, usually 

 terminating in a claw-like spur visible on each side of the vent. 



