CEU8TACEA OP NORTHUMBERLAND AND DURHAM 



Var. propinqua G. O. Sars. 

 1898. Daphnia obtiisa, var. propinqua, G. S. Brady, I.e., 

 p. 225, fig. A, and pi. viii., figs. 21, 22. 

 Pond at Morton House near Fence Houses (A. M. X.) D. 



Daphxia hamata G. S. Brady. 



189S. Daphnia /laniafa, Ci. S. Brady, I.e., p. 227, pi. vii., 

 figs. 9-17. 

 Ponds at Wallington, Northumberland, and near the Bowes 

 House Lodge of Lambton Castle (A. M. N.) N.D. 



Daphnia longispina O. F. Miiller. 



1898. DapJinia longispina, G. S. Brady, I.e., p. 228, pi. viii., 

 figs. 11-19. 

 Crag, Paston, and Sweethope Lakes, Northumberland 

 (G. S. B.); lakes at Wynyard and Hardwick Sedgefield, and 

 moat at Raby Castle. I am not sure if the two badly mounted 

 specimens which I have of the species from Crag Lake may 

 not rather be referable to D. lacustris G. O. Sars (A. M. N.) 



N.D. 



SCAPHOLEBERIS MUCRONATA (O. F. Miiller). 



In Greenley and Chartners lakes ; and in the river Till at 

 Eta), Northumberland ; in the lakes at Wynyard and Hard- 

 wick Sedgefield (A. M. N.); the Loughs, Knaresdale 

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



SiMOSA VETULA (O. F. Miiller). 



The generic name Simocephalus being preoccupied for a 

 genus of snakes, A. M, Norman has substituted for the later 

 Simocephalus of Schoedler the name Siniosa (see Ann. and 

 Mag. Nat. Hist, ser. 7, vol. xi., 1903, p. 367). 



This is a common species in lakes, ponds, and streams. 



N.I). 

 Ceriodaphnia RETICULATA (Jurine). 



. 1901. Ceriodaphnia reticulata, Lilljeborg, I.e., p. 1S4, 

 pi. .x.xvii., ligs. i-io. 



, Newbiggin, Northumberland ; Sedgelicld, Co. Durham 

 (A. M. N.) N.D 



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