CRUSTACEA OP NORTHUMBERLAND AND DURHAM 33 1 



1 90 1. Drepanothrix dentata, Lilljeborg, I.e., p. 368, pi. Ivii., 

 figs. 2-16. 

 In two of the small lakes at Darden, Northumberland, in 

 1864, and again at a subsequent visit (A. M. N.) N. 



ACANTHOLEBERIS CURVIROSTRIS (O. F. Miiller). 



1863. Acantholeberis curvirosfn's, Norman, "On Acantho- 



leberis Lilljeborg." Ann. and Mag. Nat. Hist., ser. 3, 



vol. xi., p. 2 (separate copy), pi. xi., figs. 1-5, and 



Trans. Tyneside Nat. Field Club, vol. vi., p. 53, pli vi„ 



figs. 1-5. 



1901. Acantholeberis C7/nn'fostn's, Lilljeborg, I.e., p. 375, 



pi. Ivii., fig. 17, pi. Iviii., figs. 1-17. 



This is a species which affects peaty water, and seems never 



to occur in the valleys. Crag Lake, Northumberland (G. S. B.). 



In Chartners, Aird, and Darden lakes, and in bog-pools near 



Winter's Stob, Northumberland (A. M. N.) N. 



Fam. 4.— CHYDORID^ 



EURYCERCUS LAMELLATUS (O, F. Miiller). 



1867. Lynceus lamellatus, Norman and Brady, I.e., p. 401 



pi. XX., fig. 8. 

 1901. Eurycercus lamellahis, Lilljeborg, I.e., p. 386, pi. lix., 

 figs, i-io, and pi. Ix., figs. i-io. 

 A common species in ponds, lakes, slow rivers, etc. N.D. 



Camptocercus rectirostris Schodler. 



1867. Lynceus fnacrourus, Norman and Brady, I.e. (nee 



Miiller), p. 373, pi. xx., fig. 6, pi. xxi., fig. 2. 

 1 90 1. Camptocercns 7-ectirostris, Lilljeborg, I.e., p. 402, 

 pi. Ixi., fig. 14, pi. Ixii., figs. 1-17. 

 Crag, Greenley, and Grindon lakes, Northumberland 

 (A. M. N.) N. 



Acroperus harp^ Baird. 



1867. Lynceus ha^-pcF, Norman and Brady. I.e., p. 372, 

 pi. xxi., fig. I. 

 1 90 1. Acroperus harpcs, Lilljeborg, I.e., p. 418, pi. ixiii., 



figs. 14-24, pi. ixiv., figs. I-IO. 

 Common in the clear water of ponds and lakes. N.D. 



