336 CRUSTACEA OF NORTHUMBERLAND AND DURHAM 



I believe I can explain how it was that my search had 

 before been unsuccessful. The species is a bottom-loving 

 form. I had worked only in the water and among the weeds, 

 while it lay snug below, but the light cast skin of 1864 had 

 floated up and so been taken among the Daphni?e(A. M. N.) 



Pond near the Bowes House Lodge of Lambton Park ; 

 ditches at Seaton Carew (A. M. N.) ; ditch south side of rail- 

 way between Hexham and Corbridge, May, 1885 (G. S. B.) 



Graptoleberis RETICULATA (Baird). 



1867. Lynceus testtidinarius, Norman and Brady, I.e., 

 p. 381, pi. xviii., fig. 7, and pi. xxi., fig. 4. 



1 90 1. Graptoleberis testtidinaria, Lilljeborg, I.e., p. 504, 

 pi. Ixxi., figs. 9-14, pi. Ixxii., figs. 1-8. 



It is Alona esocirostris of Schodler. 



Crag, Grindon, Chartners, and Darden Lakes, Northumber- 

 land, and Hard wick Lake, Sedgefield (A. M. N.) ; Belsay 

 Lake, Northumberland ; Boldon Flats and Fardingslake, Co. 

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



Alonella excisa (S. Fischer). 



1854. Lyjiceiis excisus, S. Fischer, Abhand. neue oder 



nicht genau gekannte Arten Daphniden u. Lynceiden. 



Bull. Soc. Imp. Nat. de Moscou, p. 428, pi. iii., 



figs. 11-14. 

 1863. Fleti?-ox2is exctsus, Schodler, Neue Beitrage zur 



Naturgeschichte der Cladoceren, p. 49, pi. ii., fig. 38. 

 1888. Pleuroxus excisus, Hellich, Die Cladoceren Bdhmens, 



p. 99, fig. 56. 

 1894. Pleuroxtis exiguus, Wisenberg-Lund, Gronlands 



Ferskvandsentomostraca. Middel. naturhist. Foren. i 



Kjobenhavn, p. 127, pi. iv., fig. 16 (separate copy). 

 1901. Alonella excisa, Lilljeborg, I.e., p. 510, pi. Ixxii., 



figs. 9-19. 



" Crag, Greenley, Broomley, Chartners, and Darden Lakes, 

 and a pool in the moors at Winter's Stob " (A. M. N.). These 



