124 



C0L1TBEIDJ5. 



■black stripes extending from the tip of the snout to the end of the 

 tail ; the outer stripe passing through the eye and extending along 

 the second, third, and fourth rows of scales; the median stripe 

 fiometimes divided into two. 



Total length 575 miUim. ; tail 120. 



Southern Mexico. 



a. 2 (V. 161 ; 0. 65). TeUuantepec. Prof. F. Sumichrast 



Z>. 2 (V. 163; 0. 65). Santo Domingo de Dr' A. 0. Buller [0.]. 

 Guzman. 



£. d (V. 158 ; C. 70). Tepetlapa, Guerrero. Mr. H. H. Smith[C.]; 



F. D. Godman, 

 Esq. [P.], 



3. ConopMs tseniatus. 



Philodryas tseniatus, Sensel, Arch. f. Nat. 1868, p. 331 ; Bouleng. 

 Ann. Si' Mag. N. H. (5) xviii. 1886, p. 434. 



Snou.t scarcely projecting. Eostral nearly as deep as broad, 

 well visible from above ; internasals shorter than the prasfrontals ; 

 frontal twice and a half as long as broad, longer than its distance 

 from the end of the snout, slightly shorter than the parietals ; 

 loreal a little longer than deep ; one prseocular, just reaching the 

 upper surface of the head ; two postoculara ; temporals 1+2 ; seven 

 upper labials, third and fourth entering the eye ; four lower labials 

 in contact with the anterior chin-shields. Scales in 17 rows. 

 Ventrals 170 ; anal divided ; subcaudals 74. Pale yellowish olive 

 above, with an olive-brown, black-edged vertebral stripe three scales 

 wide ; a broader lateral dark stripe, covering the three outer rows 

 of scales and the outer ends of the ventrals, bordered above by a 

 black line running along the fourth row of scales ; a fine Kne right 

 along the outer row of scales ; head olive, with darker variegations ; 

 a white line from the rostral along the four anterior upper labials ; 

 yellowish beneath, with a bluish-grey streak on each side. 



Total length 615 miUim. ; tail 150. 



Porto Alegre, Eio Grande do Sul. 



162. AMPLORHINUS. 



Amplorhinus, Smith, III. Zool. 8. Afr., Rept. (1847). 

 Dipsas, part., Dum. ^ Sibi: JErp. Oin. vii. p. 1153 (1854). 

 Ooronella, part., Giinth. Cat. Col. Sn. p. 34 (1868). 

 Psammophylax, part., Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 309. 

 Taohynienis, part., Peters, Reise n. Mossamb. iii. p. 117 (1882). 

 Amphiophis {lapsu calami), Bouleng, Proc. Zool. Soc. 1891, p. 307. 



Maxillary teeth 12 or 13, gradually increasing in size, followed 

 by an enlarged, grooved tooth ; mandibular teeth subequal. Head 

 distinct from neck ; eye moderate, with round pupil ; nasal semi- 

 divided. Body cylindrical ; scales smooth or feebly keeled, with 

 apical pits, in 17 rows ; ventrals rounded. Tail moderate ; sub- 

 caudals in two rows. 



Tropical and South Africa. 



