220 CRUSTACEA OF TIIK ("HANXEL ISLANDS. 



II.-SESSILE-EYED CRUSTACEA. 

 AMPHIPODA. 



Tt is very probable that we have in the Channel Islands 

 some four or five hundred species belonging to this immense 

 order of Crustacea. The most extensive local list we possess 

 is that of Walker and Hornell, but in the following pages I 

 proi)ose to give simply the names of such species as I have 

 myself taken, and marked off on the list as they were identified. 

 There has been great readjustment of names in this order, 

 not only specific but generic ; and although I have the revised 

 nomenclature before me, I still think it better for the ])urpose 

 of the present paper to follow those of Bate and Westwood's 

 book. I have taken on our coast many species not in the 

 following list, but they have not been dcitermined with cer- 

 tainty, and therefore it is wiser to omit for the present all 

 notice of them. The localities in which I have collected are 

 the south coast of Jersey, off St. Peter-Port and Bordeaux 

 Harbour, Guernsey, and the Island of Herm. The methods 

 I have used to obtain specimens are chiefly the muslin tow 

 net, Avorked at varying depths ; and the cheese-cloth hand-net ; 

 with of course shore-hunting among stones and in rock- 

 crevices. 



Talitrus loeusta, Lhi. Sand Hopper. Abundant on all our sandy coasts. 

 OPChestia \iX.tOVQ2i^ Leach. Shore Hopper. Abundant under heaps of sea- 

 weed and among loose stones near high tide level. 

 OPChestia meditePPanea, Costa. Not common. Lives at the highest 

 zone, and even encroaches on land ; being found under stones, among 

 grass, &c. Guernsey ; not noted for Jersey. 

 AllOPehestes imbPieatuS, Bate. Not uncommon under stones fairly high 



up between tide marks. 

 Nieea Lubboekiana, Bate. Gravelly ground and loose stones ; not com- 

 mon. 

 Montagua monoeuloides, Ediv. Constant in tow-nettings. 

 Montagua mapina, Bate. With the last ; fairly common. 



Lysianassa Costse, Edw. 

 L. Audoulniana, Bate. 

 L. atlantiea, Edw. 



L. longieOPnis, Lucas. 



Anonyx longieopnis, Bate. 



A. EdwaPdsii, ICroyer. 



A. obesus, Bate. 



A. dentieulatus, Bate. 



A. Holbolli, Kroijer. 

 A. longipes, Bate. 



A. ampulla, Kroyer. Very common in the tow-net. 



Callisoma cpenata, Bate. 



