456 Journ. of the Asiat. Soc. of Bengal. [Nov. & Dec., 1915. 
wider range than any other member of the genus, distributed 
as itis over the greater part of northern and eastern Africa 
and practically the whole Oriental Region; there are speci- 
mens from Malta in the Indian Museum. The variety elon- 
exists side by side with the typical form and probably origi- 
nated. 
and in brackish water I point out elsewhere in this paper 
(p. 466, postea) the difference in its habits here and in Galilee. 
buccinoidea abundant on the shores of the Like of Tiberias, 
and Tristram, remarking on the variability of the species, 82Y8 
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