INNOCUOUS SERPENTS, 
141 
brown, more clear below, where it is marked with whitish 
spots. S. 188 + 60. 
3. Lycodon Jara, from India, is a small black species, 
with a very wide white collar ; the scales are marked with 
two fine streaks or rays. Below, whitish, S. 175 + 56. 
4. Lycodon geometricus, a large and handsome species, 
of a thick form ; the native place unknown ; above, reddish 
brown ; below, two streaks or rays along the flanks, and 
another round the summit of the head, of a yellowish hue. 
21 rows of smooth scales. S. 220 + 51. 
5. Lycodon Horstokii. Observed at the Cape and on 
the Gold Coast ; of small size ; of an olive- brown colour, 
very shining, with the tips of the scales marked with a 
pearly spot, a colour which sometimes forms narrow trans- 
verse bands ; below, yellowish. 17 rows of scales. S. 
190 + 43. 
6. Lycodon unicolor. It forms, with the preceding, 
the only two species discovered in Africa. It inhabits 
the coast of Guinea, and is known by its uniform tint of 
a fulginous brown, paler below ; it is distinguished from 
the last by the number of scales and scuta, which amount 
to 27 rows of scales, and S. 220 + 60. 
7» Lycodon formosus, a very beautiful species, of a 
slender shape, a narrow head, a frenal plate very long, 
extending to the eye ; the body is marked by very broad 
alternate rings of a beautiful vermilion and a shining 
black; the scales have black borders ; 17 to 19 rows of 
scales ; abdominal scuta vary from 168 to 220 ; subcaudal 
divided plates 66 ; inhabits Brazil. 
8. Lycodon Clelia, is very remarkable by the variety 
it presents ; the configuration of the head varying with 
the individual, and the tail having sometimes simple, at 
other times divided scuta ; colour, earth-brown, sometimes 
pale, at other times dark ; nape ornamented with a white 
collar ; tips of scales brown ; anterior teeth hardly longer 
than the rest; 15 to 19 rows of scales. S. varying from 
148 + 65 to 218 + 101. Country, Brazil and Surinam. 
9. Lycodon subcinctus. Muzzle extremely broad and 
obtuse ; frenal plate touching the eye, on account of the 
want of the anterior ocular ; nostrils very open ; colour, a 
