460 Journal of the Asiatic Society of Bengal. [December, 1913. 
running into the lake at Magdala were much smaller and 
measured slightly under 3 mm. in length and barely half a milli- 
metre in breadth. However one specimen measured 5°7 mm. 
and another 4 mm., while one attained a length of only 2:4 mm. 
Dorsally, the colour in spirit is a dull and rather dark 
brown, and evenly distributed; the ventral surface is some. 
what paler in colour than the dorsal, though the difference is 
not very marked ; in fact in many cases the colour was similar 
on both sides. ! 
blunt anterior end; as a result of the lappets a well-marked 
neck region is present. In the collection taken from the spring 
at Mejdal the form of the head in most cases was semicircular 
_ Careful search has been made to detect the presence of 
auricular sense organs (lateral sensory grooves) on the side of 
the head, but they could not be detected with certainty on the 
whole animal. Serial sections however revealed these structures 
Dr. Annandale informs m : Be ee ; 
@ that the animals were dark rey in colour 
_ eanented, but that the fixative had the effect of chain the 
erey to brown. The fixative used was that recommended by Steinmana 
—30 ce. str itri : : : 
40 cv. dist. war a acid, 30 ec. concentrated corrosive sublimate and 
