ON THE FAUNA OF IRELAND. 397 
Order 5.—ScLERODERMI. 
Treland. Great Britain. 
0 Balistes Capriscus, Gmel. (a single 
specimen.) 
II. CARTILAGINEI. 
Order 6.—ELEUTHEROPOMI. 
Treland. Great Britain. 
Acipenser Sturio, L. (’) + 
or Thompsoni, Ball, MS. 0 
0 Acipenser latirostris, Parnell. 
Mr. R. Ball is of opinion that one or two Irish examples of 
Acipenser, which he has critically examined, are not only dis- 
tinct from the two species which have been recognised as Bri- 
tish, but are undescribed : he has named the species 4. Thomp- 
soni, and is about to publish a communication on the subject in 
the Proceedings or Transactions of the Royal Irish Academy. 
Sturgeons are occasionally, though very rarely, taken in all the 
larger rivers of Ireland, but I have not had the opportunity of 
examining them critically as to species. 
Order 7.—ACANTHORRHINI. 
Ireland. Great Britain. 
0 Chimera monstrosa, Z. (taken only in 
the Shetland Islands), 
Order 8.—PLAGIOSTOMI. 
Fam. Squalide. 
Ireland. Great Britain. 
Scyllium Canicula, Cuv. as 
a stellaris, Cuv. as 
Pristiurus melanostomus, Bonap. 
(Scyllium melanostomum, Bon.) By 
0 Carcharias vulgaris, Cuv. 
Carcharias Vulpes, Cuv. (?) + 
. glaucus, Cuv. + 
Lamna Cornubica, Cuv. one 
»  Monensis, Cuv. : species? a 
Galeus vulgaris, Cuv. + 
Mustelus levis, Cuv. + 
Selachus maximus, Cuwv. su 
Spinax acanthias, Cuv. + 
Scymnus borealis, Flem. 
0 Echinorhinus spinosus, Blainv. 
0 Zygzena malleus, Val. 
Squatina Angelus, Dum. + 
Of the four Sgualide which cannot be announced as Irish, the 
