326 crustacea of northumberland and durham 



Division i.— CALYPTOMERA 



Section I.— CTENOPODA G. O. Sars 



Fam. I.— SIDID^ 



SiDA CRYSTALLINA (O. F. Miiller). 



1850. Sida crystallina, Baird, Brit. Entom., p, 107, pi. xii., 

 figs. 3, 4, pi. xiii., fig. I a-h. 



1901. Sida crystallina, Lilljeborg, I.e., p. 18, pi. i., figs, i-io, 

 pi. ii., figs. 1-3. 



Apparently in all the larger pieces of water ; Crag, Broomley, 

 Grindon, Greenley, West Rothley, and South Belsay Lakes, 

 Northumberland ; Wynyard, Hardwick, and Sedgefield 

 (A. M. N.); Sweethope (G. S. B.) N.D. 



DlAPHANOSOMA BRACHYURUM (Licvin). 



1848. Sida brachyura, Lie'vin, Branchiopoden der Danziger 

 Gegend, p. 20, pi. iv., figs. 3-9. 



1850. Diaphanosoma Brandtiamim, S. Fischer, Erganz- 

 ungen. . . Umgegend von St. Petersburg vorkom. 

 Crust. Ord. Branchiopoden und Entomostraceen. Mem. 

 des Sav. Etrang., vol. vii., p. 10, pi. iii., figs. 1-5. 



1865. Daphnella Brandtiana, G. O. Sars, Norges Fersk- 

 vandskrebsdyr; Branchiopoda I. Cladocera Ctenopoda, 

 p. 45, pi. ii., figs. 25-33. 



1901. Diaphanosoma hrachyuriim, Lilljeborg, I.e., p. 36, 

 pi. iii., figs. 6-13, pi. iv., figs. 1-4. 



1907. Diaphanosoma hracliyura, var. nasuta, Kane (W. F. 

 de v.). The Irish Naturalist, vol. xvi., p. 305, pi. xli. 



Other synonyms are Sida brachyiira Lilljeborg " De Crus- 

 taceis," Daphnella brachyura of P. E. Miiller, Hudendorff, 

 and Herrick, Sida Brandtiana Leydig, Daphnella brachytira 

 Hellieh, and Diaphanosoma Brandtianun G. O. Sars. 



Daphnella Baird, 1850, is preoccupied; Diaphanosoma S. 

 Fischer published later in the same year must therefore be the 

 name of this genus. 



