212 Holt & Bkaumont — Surveij of Fishing-groumh., W. Coast of Ireland, 1890—91. 



The net result appears to us to prove that if M. flcxuosa and 31. neglecta have 

 been rightly separated, their distinctive characters have been very imperfectly 

 defined. As the species stand at present, the Irish examples which we have seen 

 are typical of neither. Two characters, those of the tarsus and of tlie lateral 

 spines of the telson, are almost certainly variable with the size of the example. 



Macromysis neglecta (G. 0. Sars). 



As appears from our remarks under the preceding, we have great doubts as to 

 the validity of this species, f Our doubts appear to be shared by Ehrenbaum. 

 Specimens have been recorded under this name as follows : — 



Irish Record. — Valentia Harbour (A. 0. W.*). 



Distribution. — Loch Fyne ; Starcross ; Plymouth; North Wales; Guernsey 

 (A. M. N.*} ; Irish Sea (A. O. W.). 



Norway; Denmark (A. M. N.*) : Heligoland (Ehrenbaum). 



f In the museum are four .speoimeus from tlie Asbjomsen collection (Cliristiania) named by Professor 

 Sars. We have examined them in so far as was possible without isolating the appendages. They consist 

 of two males, 16 and 17 mm. ca., including antennal scales and uropods, and two females, 17 and 20 mm. 

 In each of the four we have found at least one leg with the tarsus 6-articulate. The two males have 22 

 lateral spines on the telson, a number in excess of that assigned to the species by Norman, but perhaps. 



