CRUSTACEA OF NORTHUMBERLAND AND DURHAM 395 



Cyclops insignis Claus. 



1868. Cyclops Liibbockii, Brady, Nat. Hist. Trans. North- 

 umberland and Durham, vol. iii., p. 127, pi. iv., figs. 

 1-8. 



1878. Cyclops ifisjgjiis, Brady (3), vol. i., p. 108, pL xxi., 

 figs. 1-9, and (6) p. 73, pi. vi., fig. 5 (1891). 



Taken many years ago in brackish pools near the edge of 

 Hartlepool Slake. The figure of the fifth foot in Plate xxi. of 

 the Ray Society Monograph is incorrect ; that here given was 



Cyclops insignis. 



Fifth foot, highly magnified. 



drawn from a specimen taken at Lymington, Hants, no 

 example from Hartlepool being at present attainable : the 

 figure agrees almost exactly with that given by Claus 

 (G. S. B.) D. 



Cyclops skrrulatus S. Fischer. 



1878. Cyclops serriilatiis, Brady (3), vol. i., p. 109, pi. xxii., 

 figs. 1-14, and (4) p. %'i>^ pi. vii., fig. i (1891). 



Wherever there is water capable of sustaining animal life 

 there may be found Cyclops sernilatus. It seems to be less 

 fastidious about impurities and less dependent on the presence 



