Coloration greenish-yellow or olive above, mixed with black, a dorsal series of reddish-brown transverse rhomboidal spots; upper lip yellow, with one or two black spots; belly yellow, more or less marbled with black.
Total length, 930 millimetres; tail 145.
Habitat: Assam, Tibet, Upper Yang-tse.
(7) L. mucrosquamatus.—10-15 scales in a line between the supraocular shields; scales in 25-27 rows; 183-218 ventrals; 72-92 subcaudals. Colour brownish-grey above, with a series of large black median spots and smaller ones on the sides; a black streak from the eye to the angle of the mouth; belly brownish, spotted with white.
Total length, 1,050 millimetres; tail 210.
Habitat: Formosa, Assam.
(8) L. luteus.—12 or 13 scales in a line between the supraocular shields; scales in 23-25 rows; 182-186 ventrals; 72-74 subcaudals; supraocular shields large.
Colour yellow above, with a series of dark rhomboidal spots, and a dorsal, black-spotted zigzag band; a black streak on each side of the head behind the eyes; belly yellowish, spotted with grey.
Total length, 945 millimetres; tail 164.
Habitat: Loo Choo Islands.