2. TTPHtOPS. 7 



Helminthophis emunctus, Cope, Bull, U.S. Nat. Mus. no. 32, 1887, 

 p. 91. 



Rostral very large, half the width of the head,, extending beyond 

 the level of the eyes, in contact with the frontal, which is broad ; 

 no prseocular ; two suboculars ; eye distinguishable, under the 

 suture between the prsefrontal and the ocular ; four upper labials, 

 first largest, second in contact with the prsefrontal. 22 scales 

 round the body. Black, each scale with a reddish-brown border ; 

 head whitish. 



Total length 158 millim. 



Isthmus of Panama. 



2. TYPHLOPS*. ■'- \ /" '^ 



Typhlops, part., Schneid. Hist. Amph. ii. p. 339 (1801) ; Merr. Tent. 



p. 158 (1820) ; Fitzing. N. Class. Bept. p. 25 (1826) ; Wagl. Syst. 



Amph. p. 195 (1880). ' 

 Typhlops, Bum. ^ Bibr. Erp. 04n. vi. p. 279 (1844) ; Gray, Cat. Liz. 



p. 132 (1846) ; Jan, Icon. Q4n. p. 7 (1864) ; Giinth. Bept. Brit. 



Ind. p. 172(1864); Peters, Sitz. Oes. natiirf. Fr. 1881, p. 70; 



Bocourt, Miss. Sc. Mex., Bept. p. 499 (1882); Bouleng. Faun. 



Ind., Bept. p. 235 (1890). 

 Typhlina, Wagl. I. a. p. 196 ; Giinth. I. c. p. 171 ; Peters, I. c. p. 70. 

 Pihdion, Bum. 8f Bibr. vi. p. 257 (1844). 

 Ophthalmidion, Dum. S^ Bibr. I. c. p. 262. 

 " Oathetorhinus, Bum. ^ Bih-. I. c. p. 268 ; Peters, I. c. p. 70. 

 Onychocephalus, Bum. Sr Bibr. I. o. p. 272 ; Giinth. I. c. p. 177 ; 



Peters, I. c. p. 70. 

 Onychophis, Gray, I. c. p. 132. 

 Typhlinalis, Gray, I. e. p. 134. 

 Anilios {non Ohen), Gray, I. e. p. 185. 

 Argyrophis, Gray, I. c. p. 136. 

 Meditoria, Gray, I. c. p. 139. 



Diaphorotyphlops, Jan, Elenco, p. 10 (1863) ; Peters, I. c. p. 70. 

 Letheobia, Cope, Proc.Ac. Philad. 1868, p. 322; Peters, I. c. p. 70. 

 Gerrhopilus, Peters, I. c. p. 69. 

 Gryptotyphlops, Peters, I. n. p. 70. 

 Aspidorhynchus, Peters, I. c. p. 70. 



Praefrontal single and small ; frontal small ; nasal large, single 

 or divided into two. 

 South Europe ; South Asia ; Africa ; Tropical America ; Australia. 



Synopsis of the Species. 



I. No prseocular ; no subocular ; ocular in contact with the second 



and third labials. 

 Snout rounded ; nostrils inferior ; 22 scales 



round the body 1. lineatus, p. 15. 



• T. wilderi, G-arm. Science Observer, iv. 1883, p. 48, from Brazil, is insufE^ 

 ciently characterized. 



