Nichols — A Lisl of Ivinh. Edihwdoim. 



233 



the coast of the British Isles, then, the Irish list contains 60 out of a 

 total of 8 1 British species or nearly thi-ee-f ourths ; most of the Britisli 

 ehallow-'water species, that are ahsent from the Irish list, are northern 



ROCKALL 

 BANK . 



^''poncupiNE. 



BANK V 



/ 



/ 

 looof. 100f. 



Map showing the Shallow- and Deep-water District, and the six rrovincea. 



A — Malin Head. C — C'arnsore Point. 



B— St. John's Point. D— Cape Clear. 



E — Loop Head. 

 F— Erris Head. 



forms, and several of them are recorded as British only from off the 



north of Scotland. 



A" 2 



