Crangon and Galathea. 105 



Loughshinny, south of the Mugglins, and off Dalkey Island. Several speci- 

 mens occur among the collection made by Edward Waller, Esq., at Bel- 

 fast. 



The late William Thompson notes the species at Belfast; but lie was unac- 

 quainted with Galathea dispersa, which, as is already shown, also occurs there. 



In ova in February and March ; ova scarlet. 



This species was first estabhshed by Embleton, as stated above. 



In appearance this species approaches to Gal. dispersa, Gal. Andrewsii, and 

 Gal. strigosa; and, I doubt not, has been confounded with the latter by early 

 writers. It may be the true Cancer strigosus of Linna3us, which Leach looked 

 on as distinct from that called Gal. strigosa here. It is a very distinct species, 

 and is distinguished as follows : — 



From Gal. dispersa, by the form and smoothness of the rostrum, greater 

 degree of toothing, and hairiness of first chelipeds, and proportions of abdomi- 

 nal somites ; 



Fi'om Gal. strigosa, by absence of teeth on upper surface of propodos of 

 first chelipeds, and general comparative smoothness of ditto ; absence of teeth 

 on carapace behind eye externally, smoothness of beak and frontal region, and 

 general proportions of body ; 



From Gal. Andrewsii, by form, sculpturing, and hairiness of chelipeds, pro- 

 portions of ischium, and meros of external maxillipeds, smoothness of rostrum, 

 and superior size ; 



From Gal. squa7nifera,hj the smoothness of rostrum, proportions of ischium 

 and meros of maxilhpcds, form and greater amount of toothing of first cheli- 

 peds, and colour. 



When better known, I have no doubt it will be noted all round Ireland. 



