78 



depth of the body equal to the length of the head : the jaws equal, 

 both occasionally furnished with a fevv delicate teeth ; the tongue 

 with many teeth : the lateral line sloping downwards for a short way 

 from the operculum, and thence passing straight to the tail : nine rows 

 of scales from the dorsal fin to the lateral line, and the šame number 

 thence to the ventral fin ; the row of scales on the back and that of the 

 lateral line notreckoned : the third ray of the pectoral fin the longest. 



D. 2 + 12. P. 16. V. 1 + 11. A. 2 + 11. C. 19. B. d.—Vertebrce 59. 



Colour to the lateral line dark blue, thence to the belly silvery ; 

 dorsal, anai, and caudal fins towards the extremity tinged with black; 

 pectorrd and ventral fins of crystalline transparency, excepting at 

 their extremities, vvhich are faintly dotted with black. Irides sil- 

 very, pupil black. 



As not one of the Coregoni, of which I can find descriptions, agrees 

 \vith the Lough Neagh species, I am induced to consider it as new, 

 and venture to propose for it the name of Coregonus Pollan, as by 

 this trivial appellation it is invariably knovvn in its native district. 



Cephaloptera, Dura. A fish of this singular genus, taken about 

 five years ago on the southern coast of Ireland, and thence sent to 

 the Royal Society of Dublin, is at present preserved in their Museum. 

 In breadth it is about 45 inches. The specimen being imperfect, and 

 the characters of some of the species being ill defined, I hesitate 

 applying to it a specific name. It somewhat resembles the Ceph. 

 Giorna, as figured by Risso. 



Physalia pelagica, Eschsh. On the 13th of March, 1834, a spe- 

 cimen of this Physalia was found by Miss Bali of Youghal, on the 

 coast of the county of Waterford, near Ardmore. \Vhen taken up it 

 exhibited great brilliancy of colour. To Mr. Gray I am indebted 

 for the opportimity of Consulting the vvork of Eschsholtz (Syst. der 

 Acaleph.), according to which the Phys. j^elagica of Lamarck differs 

 from this, being identical with his Phys. Caravella. The Phys. tuber- 

 culosa of Lamarck is considered by Eschsholtz synonymous with his 

 Phys, pelagica. 



Orange-legged Hohhy, Falco riifipes, Bechst. An immature spe- 

 cimen of this bird, shot in the county of Wicklow in the summer of 

 1832, forms part of the collection of T. W. Warren, Esq., of Dublin. 



Snoivy Oivl, Noctua nyctea,Sav. About the 26th of March, 1835, 

 one of these birds vvas shot near Portglenone, county Antrini, and 

 carae into possession of Dr. Adams of that place, vvho presented it 

 to the Natūrai History Society of Belfast : the individual novv exhi- 

 bited is said to have been seen along with it. On the 21st of the 

 šame month a bird of this species vvas seen on an open or heath- 

 covered moor about twenty miles distant from Portglenone, by two 

 of my friends, vvithin a fevv yards of one of vvhom it sprung, just as 

 he had fired at a Šnipe. 



In Dublin I subseąuently savv a specimen of this Oml vvhich had 

 been shot in the county of Mayo, also in the month of March ; and I 



