134 ILYSIID HE. 
a. Ad. (V. 218; 0.11). Surinam. 
b-c. Ad. (V. 210,211; Berbice. 
C. 12, 12). 
d, Ad, (V. 218; C.12). Berbice. og 
e. Ad. (V.227; C.12). Demerara. R. Latham, 
f. Ad. (V. 235; C.11). Demerara. Lieut. Friend 
g. Ad. (V. 226;C.12). Demerara. Dr. Hancock 
hk. Ad. (V. 225;C. 11). Demerara. 
@. Ad. (V. 217; C. 11). British Guiana. 
k. Hgr. (V. 288; C. 11). Upper Amazon. Mr. Bartlett [C. 
l. Ad. (V. 244; C. 9) Me obamba, N.E: Mr. A. H. Roff{C.). 
eru. 
m. Skel. S. America. Haslar Hospital. 
n. Skull. S. America. 
2. ANOMALOCHILUS. 
Anomalochilus, v. Lidth de Jeude, in M. Weber, Zool. Ergebn. ii. 
p. 180 (1890). 
No premaxillary teeth*. Head small, not distinct from neck ; 
eye very small, distinct from the surrounding shields; head with 
large symmetrical shields ; nostril in a single nasal, which forms a 
suture with its fellow behind the rostril; no loreal or preocular; a 
postocular ; no mental groove. Body cylindrical; scales smooth, in 
21 rows; ventrals very small, scarcely enlarged. ‘Tail extremely 
short and blunt. 
Sumatra. 
1. Anomalochilus weberi. 
Anomalochilus weberi, v. Lidth de Jeude, l. c. p. 181, pl. xv. figs.,1-3. 
Frontal nearly twice as large as the supraocular, quadrangular ; 
no enlarged parietals; four upper labials, third largest and in 
contact with the eye. Scales in 21 rows. Ventrals scarcely larger 
than the neighbouring scales, 244; anal divided; subcaudals 8. 
Brown, each scale with a lighter edge; a light spot on each pra- 
frontal and on the frontal; a series of round light spots on each 
side of the back, in pairs or alternating; an interrupted whitish 
line along the middle of the side ; beneath with irregular light spots 
arranged in pairs and sometimes confluent. 
Kaju Tanam, Sumatra, 
3. CYLINDROPHIS. 
Tortrix (non Linn.), part., Oppel, Ordn. Rept. p. 55 (1811); Schleg. 
Phys. Serp. ii. priest) ot DS 
Anilius, part., Oken, Lehrb. Naturg. iii. p. 283 (1816). 
Ilysia, part., Hemprich, Grundr. Naturg. (1820); Fitz. N. Class. 
Rept. p. 26 (1826). 
* Dr. van Lidth de Jeude kindly informs mg*that he has been unable to 
detect premaxillary teeth in the type specimen. 
* 
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