ICHTHYOLOGICAL NOTES 87 



FULMARUS GLACIALIS (Fulmar). 

 Shetland North Unst, nesting numerously in the high cliffs. 



PUFFINUS MAJOR (Great Shearwater). 



Outer Hebrides June i ith, two seen near Barra ; July, last week, 

 two birds killed at St. Kilda ("Annals," 1899, p. 239). 



PUFFINUS ANGLORUM (Manx Shearwater). 



Forth June i5th, two seen between North Berwick and Elie. 

 Argyll and Isles Dhuheartach, March 22nd, all day in great 

 numbers ; May 8th, great numbers. 



OCEANODROMA LEUCORRHOA (Forked-tailed Petrel). 

 Caithness Scotscalder, Nov. i4th. Clyde Beith, Sept. 2oth. 



ICHTHYOLOGICAL NOTES. 

 By Dr. R. H. TRAQUAIR, F.R.S. 



PLATE I. 

 I. DEFORMED TROUT FROM A POND AT DUNIPACE. 



A LITTLE more than two years ago I received from Mr. 

 Harvie-Brown a consignment of seven Trout {Salmo fario, L.) 

 from the " Duck Pond " in his grounds at Dunipace. These 

 Trout formed part of a lot which Mr. Harvie-Brown obtained 

 from the breeding- ponds at Howieton as two-year-olds in 

 1895 ; and the specimens which were caught and sent to me 

 in the autumn of 1897 averaged about half a pound in 

 weight, and measure, as they now lie before me, from eleven 

 to thirteen inches in length. That several of them at least 

 presented abnormalities in the conformation of the jaws was 

 at once observed by Mr. Harvie-Brown, at whose desire I 

 have made the following short report on them, illustrated by 

 the figures on Plate I. 



In the appearance of four of these specimens there is 

 nothing very striking ; in the fourth the anterior extremity 

 of the mandible seems to extend perceptibly farther forward 

 than is the case in the ordinary Trout. In the fifth and 



