AMPHISBaENAS. 71 



The Worm-like Amphisbjena. Amphisbaena vermicularis, 

 Wagler, Bras. 73, t. '2b J. 2. Dum. et Bib. E. G. v. 489. 



Brown, beneath paler ; tail with 22 rings ; occiput and tem- 

 ple with 8 square plates on each side ; labial scales f, hinder up- 

 per small, square, rest triangular; preanal pores 2 or 4 ; preanal 

 plates 6, narrow, long, forming an arched line. 



a. In spirits; Brazils. From M. P. Clausen's collection. 



Darwin's Amphisbaena. Amphisbaena Darwinii, Dum. et 

 Bib. E. G. v.491. 



Reddish brown, beneath paler ; tail with 22 rings of plates ; 

 occiput with 2 subtriangular compartments; temple with 5 square 

 scales; preanal pores 4 indistinct; preanal plates 6; labial plates §. 



Inhab. Montevideo. Mus. Paris. 



2. Sarea. 



Head flat. Muzzle narrow acute. Eyes none. Rostral plates 

 small, triangular ; nasal rhombic ; lateral touching one another at 

 the front upper angle; 2 pair of frontal, the anterior pair elongate; 

 occiput and temple with square scales. Body and chest with equal 

 square scales. Preanal pores distinct. Tail truncated, blunt. 



The Blind Amphisbaena. Sarea caeca, Amphisbaena caeca, 

 Cuv. R. A. ii. 73. Gray, Griffith, A. K. ix. 67. Dum. et Bib. E. 

 G. v. 492. 



Pale reddish brown, darker spotted ; eyes none ; upper lip 

 scales 3 ; tail with 15 or 16 whorls ; preanal pores 4. 



a. Adult, in spirits. Tail conical, blunt, perhaps reproduced. 

 Porto Bello, W. Indies. Presented by Capt. Austen, R. N. 



3. Cynisca. 



Head flat, narrow. Muzzle conical, 4-sided, elongate, round- 

 ed at the end. Eyes distinct. Temple and occiput with large 

 shields. Rostral plate triangular under the muzzle ; rostro-nasal 

 2, very large, soldered, covering the whole of the front of the head. 

 Body and chest with similar small shields. Preanal pores distinct. 

 Tail round, truncated. 



The White-tailed Amphisbaena. Cynisca leucura. Am- 

 phisbaena leucura, Mus. Leyd. Dum. et Bib. E. G. v. 498. A. 

 macrura, Schle.gel, Mus. Leyd. 



Brown, end of the tail white ; tail with 25 or 26 rings ; prea- 

 nal pores 20 ; upper labial plates 3-3. 



Inhab. Guiana. Mus. Leyden. 



4. Cadea. 



Muzzle narrow, acute. Eyes indistinct. Rostral small, quad- 

 rangular, perpendicular, bent on the muzzle. Temple with square 



