40 PLATURUS FISCHERI. 
specimens show the same assemblage of characters as laid down in his 
description, and the occurrence of fifty-six rings in my specimen, 
suggest that their multiplicity is either due to greater age (it measures 
forty-nine inches in length) or to variation, The head too is wholly 
black, with the exception of a yellow band from the posterior margin of 
one eye to the other. The upper surface is olive green, and the sides 
and belly rich dark gamboge yellow, and the fifty-six rings are intensely 
bluish-black, and the scales generally have a very bright shining lustre. 
It was from Tolly’s Nullah, a tidal stream near Calcutta. The largest 
of Giinther’s eight specimens measured thirty inches.” 
TT 
