[ 789 ] 
XXXIV. An - Account of the Blue Shark, together with 
a Drawing of the fame. By W. Watfon, fun. M, D-~ 
F. R. S,. 
vonfhire. It had got into fhaliow water, by which acci- 
dent Mr. martin, a very great lover of natural hiftory, 
and who happened to be on the fhore, was enabled to 
drag it out by the tail, and to kill it on the fpot- 
LINNAEUS places this animal in the clafs of amphibia, 
under the name of fqualus glaucus,. and makes ufe of 
artede’s defcription, viz. fqualus fojfula triangulqri in 
extremo dorfo, foraminibus nullis ad oculos. As this fifh. 
is well defcribed by rondeletius and others, I fhall 
only fubjoin the following remarks. There are two tri- 
angular dents at the origin of the tail, both above and 
below ; that which is on the back is biggeft and deepeft. 
No orifices are to be feen behind the eyes, as is ufual 
with fifhes of this genus. Two white membranes, one 
to each eye, perform the office of eye-lids.. They are 
placed beneath under the external integuments, and. 
HE fifh from which- the drawing was 
made was taken on the Coaft of De- 
move- 
