REVISION OF PODOPHTHALMATA AND CUMACEA. 51 



Corystes cassivelaunus, Herbst (Kep. I, 225.) 



Not uncommon on sandy gromid at various depths 

 and between tidemarks throughout tlie district. 

 Thiapolita, Leach. (Rep. I, 224). 



Constable Bank, ''Hyaena," 1885, 10 to 17 miles 

 N.W. of Mersey Bar ; " Spindrift," 1890. 

 Atelecijclus septenidentatus, Mont. = A. heteroden, Leach. 

 Off Fleswick Bay, Station 1, 20 fath., 2 specimens, and 

 Station III, 30 to 33 fath. 1 specimen, June 5, '92. 

 Platijonijchus latipes, Feiin., Portunmus variegatus, Leach. 

 (Rep. I. 225. II, 180). 



Between tidemarks on sand in which it buries itself. 

 Penmaenmawr. Colwyn Bay. 

 Garcinus mmnas, Baster (Rep. I, 225). 



Very abundant in the Dee and Mersey. Not so 

 common at Colwyn Bay. 

 Portiuius puber, Linn. (Rep. I, 225, III, 69). 



Point of Ayr, 1875. Bull Bay, Anglesey. 

 Portiuius depicrator, Linn. (Rep. I, 225). 



Abundant everywhere : generally on stony ground 

 3 to 7 fath. 

 Portunus arciiatiis, Leach. (Rep. I, 225). 



Mouth of the Dee. Colwyn Bay. Not common. 

 Portiuius holsatus, Fabr. (Rep. II, 180). 



Garth Ferry, Menai Straits— 10 fath. (H. C. Chadwick) 

 Portunus lyusillus, Leach. (Rep I, 225, IV, 243). 

 Port Erin, I. of Man ; Dulas Bay, Anglesey. 

 Pilumniis hirtelhis, Penn. (Rep. I, 225, II, 180). 



Orme's Heads ; Puffin Island ; Bar of Dee. Shore 

 to 15 fathoms. 

 Xantho rivulosus, Risso, and var. tuberculatus, Couch (Rep. 

 II, 180, III, 69, IV, 244). 



Beaumaris, shore (Chadwick). Port Erin. 16 miles 

 N. of Holyhead 40 to 60 fath. " Spmdrift," 20/7/89. 



