288 CRUSTACEA OF NORTHUMBERLAND AND DURHAM 



In ^^ga hicarinata Leach the eyes are widely separated, in 

 ^ga Strannii they meet each other. Bate and Westwood 

 (vol. ii., p. 281) erroneously regarded the ^ga ?nonophthal?na, 

 smaller form, as a variety to y£ga tridens Leach. 



A specimen is in A. M. N.'s collection which was taken at 

 Whitburn, May 18, 1849, by Mr. Abbs, and given to Mr. 

 Hancock, who kindly added it to A. M. N.'s collection. A 

 second specimen is in the Newcastle Museum. Bate and 

 Westwood (vol. ii., p. 280) erroneously referred the Whitburn 

 specimen above-named, which was sent to them for their use, 

 to ^ga bicat'inata. N.D. 



Section IIL— VALVIFERA G. O. Sars 



Fam. I.— IDOTEID^ 



Idotea BALTHicA(Pallas)=/. tricuspidata Bate and Westwood. 



For synonyms see G. O. Sars' Crust. Norway, vol. ii., 



Isopoda. Frequent on and off the coast in shallow water. 



N.D. 

 Idotea neglecta G. O. Sars. 



Two quite young specimens, only 4 millims. long, appear 



to be referable to this species. CuUercoats (G. S. B.) N. 



Idotea granulosa Rathke. 



1843. Idotea granulosa, H. Rathke, Beit. z. Fauna Nor- 



wegens, p. 23. 

 1895. Idotea f/iarma, A. Dollfus, Les Idoteidas des cotes 



de France, Feuille des Jeunes Naturalistes, ser. 3, 



25 annee, p. 7, fig. 22. 

 1897. Idothea gra?inlosa, G. O. Sars, Crust. Norway, ii. 



Isopoda, p. 82, pi. xxxiv., fig. i. 



Hartley, tidemarks, common (A. M. N.) 



Dr. Brady has also found this species in one or two places 

 on the coast, and it is doubtless common between tidemarks, 

 but has been confounded with /. balthica. N.D. 



Idotea emarginata (Fabricius). 



Seaham (A. M. N.) ; Roker and Whitburn from fishing 

 boats (G. S. B.) N.D, 



