1871.] F. Stoliczka— On Indian and Burmese Ophidians. 445 



brown without any large darker spots * but sometimes in adults 

 with greenish white spots at the side of the body. 



T. monticola, on the contrary, has 21 or 23 (rarely 25 rows 

 according to Anderson) of comparatively much larger and not 

 so sharply keeled scales, 8-9 upper labials, those following the 

 third gradually decreasing in size and superseded by rather large 

 scales ; superciliaries rather short and comparatively broad, with 

 6 or 7 scales in an irregular row between them, generally no azygos 

 shield is present; I never saw the ventrals exceed 160, the eye is 

 small. The body above has always spots darker than is the general 

 brown colour and the reticulation at the sides. This species occurs 

 in the Central and Eastern Himalayas ranging from about 2000 

 up to about 8000 feet ; it is also found in theKhasi hills, and ac- 

 cording to Dr. Anderson in Upper Burma. A closely allied species 

 T. convictus, was described by me from Penang (J. A. S. B., vol. 

 xxxix, p. 224). 



If T. Andersoni be identical with any other known species, it can 

 only be with T. porphyracem of Blyth, which I have described and 

 figured in J. A. S. B., xxxix, p. 218, pi. xii, fig. 2. There is very 

 little difference in structure between the two, but the head is not 

 quite so high, and the labials fewer in T. Andersoni, the 

 chief diiference lying in the coloration ; should this, however, prove 

 to vary from dark brown, variegated with greenish white, to 

 almost uniform porphyraceous grey, the two species might be shewn 

 to represent mere varieties. 



* I am at a loss to know how the coloration of monticola and Andersoni 

 can be called " identical in every respect." 



