CRUSTACEA OF NORTHUMBERLAND AND DURHAM 



Section II.— MYSIDACEA 

 Fam. I.— SIRIELLIDyE 



SiRIELLA NORVEGICA G. O. Sars. 



Young specimens between tidenrarks at Alnmouth (G. S. B.) 



N. 

 SiRIELLA jALTENSis Czerniavskv. 



This is S. crassipes of G. O. Sars. Cullercoats (A. M. N.) ; 

 St. Mary's Island, Craster, and Holy Island (A. Mk.) N. 



SiRIELLA ARMATA (H. Milne-Edvvards). 



This would appear to have been Alysis GriffiiJisicv of Bell 

 and Alysis producta of Gosse. 



Young specimens taken at Alnmouth (G. S. B.) ; Culler- 

 coats, St. Mary's Island, Alnmouth Bay, and Holy Island 

 (A. Mk.) N. 



Fam. 2.— GASTROSACCID.E 



Gastrosaccus spinifer (Goes). 



Off the mouth of the Tees, May, iS66 (Mr. Davison fide 

 G. S. B.); Cullercoats (A. Mk.) N.D. 



Fam. 3.— LEPTOMYSID.-E 



Mysidopsis didelphvs (Norman). 



Forty to fifty miles off Tynemouth, 1862 (A. M. N.) N. 



Leptomysis lingvura G. O. Sars. 



Cullercoats and Seaham (A. M. N.); Whitburn (G. S. B.) ; 

 Cullercoats (A. Mk.) N.D. 



Fam. 4.— MYSID.E 



Hemimvsis lamorn.e (Couch). 



Seaham, July, 1S61 (G. H.) ; Cullercoats and Craster 

 (A. Mk.) N.D. 



Macromvsis flexuosa (Miiller). 



Common ; tidemarks and shallow water. N.D. 



Macromvsis inermis (Rathke). 



Cullercoats (A. M. N.); Sunderland (G. S. B.) ; abundant 

 at Cullercoats, St. Mary's Island, and Craster (A. Mk.) N.D. 



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