Colour brown above, with black spots often forming a median zigzag band; temporal band black; belly whitish, spotted with grey or black; end of tail yellow or reddish. Total length, 480 millimetres; tail 55. _Habitat_: Hills near Bombay, Deccan, Anamallays and Nilgherries. * * * * * II. Scales in 27-37 rows; 174-231 ventrals; 54-90 subcaudals; tail _non-prehensile_. (4) _L. flavoviridis._--Scales in 33-37 rows; 222-231 ventrals; 75-90 subcaudals; 8-9 supralabials. Coloration pale brown or greenish-yellow above, marbled with black; longitudinal black streaks symmetrically disposed on the head; belly yellow or greenish, with darker spots. Total length, 1,215 millimetres; tail 220. _Habitat_: Loo Choo Islands. This snake is not infrequently termed by naturalists _Trimeresurus riukianus_. (5) _L. cantoris._--Scales in 27-31 rows; 174-184 ventrals; 55-76 subcaudals; 13 supralabials. Coloration pale brown or dull green, with small black spots; a whitish streak along the sides of the body; belly white or greenish. Total length, 1,020 millimetres; tail 140. _Habitat_: Andaman and Nicobar Islands. III. Scales in 21-27 rows; 160-218 ventrals; 54-92 subcaudals; tail _not or scarcely prehensile_. (6) _L. jerdonii._--7-9 scales in a line between the supraocular shields; scales in 21 or 23 rows; 164-188 ventrals; 54-67 subcaudals. 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. (9) _L. purpureomaculatus._--12-15 scales in a line between the supraocular shields; scales in 25-27 rows; ventrals 160-182; subcaudals 55-76; supraocular shield very narrow, sometimes broken up. Coloration purplish-black above, sometimes variegated with pale green; flanks pale green; belly olive or greenish-white, uniform or spotted with black. Some specimens are entirely green. Total length, 980 millimetres; tail 150.