3. AMPHISBiENA. 449 



24. Amphisbsena liber iensis. 



Ophioproctes liberiensis, Boideng. Bull. Soc. Zool. France, 1878, 



p. mi. 

 Amphisbpena liberiensis, Slraiwh, Mel. Biol. Ac. St. Fetersb. xi. 



p. 390. 



Snout rounded, prominent. Rostral small, triangular ; nasals, 

 prsefrontals and anterior labials united into a large shield forming 

 a long suture with its fellow and covering the whole of the snout ; 

 ocular small, eye hardly distinguishable ; a pair of large frontals ; 

 a pair of small parietals ; a large labial, posterior to the vertical of 

 the eye, and two or three temporals, upper largest ; mental quad- 

 rangular, twice as long as broad : three lower labials, anterior large, 

 the two others small. Two hundred annuli on the body and twenty- 

 eight on the tail ; an annulus contains twenty-four segments, the 

 doi'sals longer than broad, the two median ventrals nearly three 

 times as broad as long. Lateral line distinct. Anal segments two, 

 very large. Eight praeanal pores. Brown, rather lighter iuferiorly. 



Length to vent 135 millim., tail 18 millim. 



Liberia. 



25. AmpMsbana fenestrata. 



Sarea creca, part., Graj/, Cat. Sh. Rept. ii. p. 38. 

 Sarea ? fenestrata, Gray, I. c. 

 Diphalus feuestratus, Cope, Froc. Ac. Fldlad. 18G1, p. 76, and Proc. 



Amer. Fhil. Sue. xi. 1869, p. 164. 

 Amphisbieua autUIeiisis, Ileinh. S; Liitk. Vidensli. Meddel. 1862, 



p. l>24. 

 fenestrata, Strauch, Mel. Biol. Ac. St. Fetersh. xi. p. 415. 



Praemaxillary teeth 5 ; maxillaries 4 — 4 ; mandibulars 7 — 7. Snout 

 prominent, pointed. llostral moderately largo, prolonged pos- 

 teriorly, separating the nasals, which are not larger than the ocular ; 

 a pair of very large pra'frontals, twice as long as broad, followed by 

 a pair of smaller posterior frontals ; eye distinct through the ocular, 

 which forms a suture with the second and third labials ; no pras- 

 ocular; two temporals, upper largest; three upper labials, first 

 smallest, second largest ; mental quadrangular, followed by a larger 

 octagonal chin-shield ; three lower labials, first very small, second 

 very large ; a small chin-shield on each side behind the second 

 lower labial. Two hundred and forty-two to two hundred and fort}^- 

 seven annuli on the body and fifteen or sixteen on the tail ; on the 

 middle of the body, an annulus contains twenty-six or twent}-- 

 eight segments, twelve or fourteen above and fourteen below 

 the lateral lines ; the dorsal and lateral segments equilateral or 

 slightly longer than broad, the two median ventrals distinctl}- broader 

 than long. Lateral line distinct ; a feeble vertebral line. Anal seg- 

 ments four or six : prajanal pores four. Flesh-coloured, each seg- 

 ment above and on the sides marked with a central lectangular 

 brown spot. 



VOL, II. 2 o 



