50. srEGoNoTUS. 365 
vertically elliptic pupil. Body elongate, cylindrical or feebly com- 
pressed ; scales smooth, with apical pits, in 17 rows; ventrals 
obtusely angulate laterally. Tail moderate or long; subcaudals in 
’ double or single row. 
Philippines ; Moluccas; Papuasia ; Queensland. 
Synopsis of the Species. 
I. Not more than 100 subcaudals. 
A. Two labials entering the eye. 
1. Ventrals 175-212. 
a, Subcaudals in two rows. 
Rostral a little broader than deep, the 
portion visible from above measuring 
one third to one half its distance from 
the frontal ; fourth and fifth labials 
entering the eye ...........ecseees 1. cucullatus, p. 365. 
Rostral much broader than deep, the portion 
visible from above measuring about one 
fourth its distance from the frontal ; 
usually third and fourth labials entering 
OME de SiSuice so 04000050004 o> 2. modestus, p. 366. 
b. Subcaudals single............ 3. heterurus, p. 367. 
2. Ventrals 220-232.............. 4. muelleri, p. 367. 
B. Three labials entering the eye ; ventrals 210-236. 
SUD SER Syd o's 4 ao cds so o0',0'0 5. batjanensis, p. 368 
et NIN 0:4. 59.» cos cr w'sia.dée's.0' 6. plumbeus, p. 368. 
II. 112-123 subcaudals; rostral slightly 
broader than deep .................. 7. dumerilii, p. 368. 
1. Stegonotus cucullatus. 
Lycodon modestus, part., Schleg. Phys. Serp. ii. p. 119 (1887). 
—— cucullatum, Dum. & Bibr. vii. p. 376 (1824), 
as australis, Giinth. Ann. § Mag. N. H. (4) ix. 1872, p. 21, 
and . Zool. Soc. 1877, p. 130. 
Lycodon magnus, A. B. Meyer, Mon. Berl. Ac. 1874, p. 136. 
—— keyensis, Doria, Ann. Mus. Genova, vi. 1874, p. 351, pl. xii. 
h. 
P Leet darnleyensis, Macleay, Proc, Linn. Soc. N.S. W. ii. 1877, 
Liciaphis cucullatus, Peters § Doria, Ann. Mus. Genova, viii. 1878, 
had cotter Si Peters § Doria, l. c. p. 398. 
Rostral a little broader than deep, the portion visible from above 
measuring one third to one half its distance from the frontal; 
internasals about two thirds the length of the prefrontals; frontal 
as long as broad or a little longer, nearly as long as its distance 
from the end of the snout, much shorter than the parietals ; loreal 
