124 
GHEAT-HEADED SPRAT. 
remain to shew that there had not existed a row of spots as 
in the Twaiti nor could any teeth be discovered in the jaws, 
he lower border of the mystache was not rough or toothed, 
umber of hn-rays— in the dorsal seventeen, anal twenty-four, 
ventral ten. Scales prevented the counting of the pectoral and 
caudal rays. 
It becomes a question whether this fish has been overlooked 
f science, or whether it be a variety' 
ot the Albs Shad, from which species however it differs in 
too many particulars to permit us to allow of its being no other 
than a casual variety. The discovery of a second example would 
settle this question. 
GEEAT-HEADED SPEAT. 
Glupea macrocephala, 
SWAINSOV. 
• opinion of Mr. Swainson that he had discovered 
in the Eivm- Mersey, where it existed in some abundance a 
distinct species of Clupca, which he denominated by the najiie 
quoted above j but although many years have passed, no naturalist 
has hitherto recognised it, or even referred to it in any manner 
We notice it here in order to shew that we have possessed 
nearly to Mr. hwamson s description; the chief difference beim^ 
that we did not observe “a few curved teeth in the palate;” 
and there coidd not be a doubt that they were different from 
the Common Sprat; but it did not appear quite so certain that 
they were not in an early stage of the growth of one or other 
of our ^cU-kiiown Shads, and probably of the Allis Shad; the 
heads of both the Shads seeming to be decidedly hir-^er in 
proportion to the body at an early date, than in the full-grown 
condition of these species. ° 
