CRUSTACEA OF NORTHUMBERLAND AND DURHAM 377 



Rhynchothalestris rufocincta (Norman). 



1880. Thalestris rtifocincta, Brady (3), vol. ii., p. 125, 



pi. Ivii., figs. 1-9. 



1905. Rhynchothalestris rjtfoctncta, G. O. Sars (6), vol. v., 



p. 120, pis. Ixxiii., Ixxiv. 



Dredged off Marsden, 10 fathoms, and off Hawthorn, 27 



fathoms, and at low-water on fronds of Lamhiariae at Roker 



(G. S. B.) D. 



Rhynchothalestris helgolandica (Claus). 



1880. Thalestris helgolandica^ Brady (3), vol. ii., p. 123, 



pi. Ixi., figs. 9-14. 

 1905. Rhynchothalestris helgolandica, G. O. Sars (6), vol. v., 

 p. 121, pi. Ixxv. 

 Dredged off the Durham coast in 27 fathoms (G. S. B.) D. 



Microthalestris forficula (Claus). 



1863. Thalestris forficula, Claus (2), p. 131, pi. xvii., 

 figs. 7-1 1. 



1894. Thalestris forficnloides, T. and A. Scott, Twelfth 

 Annual Report of the Fishery Board for Scotland, 

 p. 255, pi. x., figs. 13-25, and On Some New and Rare 

 Crustacea from Scotland (Annals and Magazine of 

 Natural History, ser. vi., vol. xii., 1894). 



1905. Microthalestris forfictila, G. O. Sars (6), vol. v., 

 p. 123, pi. Ixxvi. 

 Found at the roots of Laminariae, Holy Island (G. S. B.) N. 



The foregoing genera Parathalestris, Phyllothalestris, 

 Rhynchothalestris, and Microthalestris, previously referred by 

 most authors to Thalestris Claus, are considered by Dr. G. O. 

 Sars to belong to distinct genera to which he has assigned 

 the names here used. 



Dactvlopusia tisboides (Claus). 



1880. Dactylopus tisboides, Brady (3), vol. ii., p. 106, pl.liv., 



figs. 1-13. 

 1905. Dactylopvsia thisboides, G. O. Sars (6), vol. v., p. 126, 



pis. Ixxvii. and Ixxviii., fig. i. 



