THE ANNALS 



AND 



MAGAZINE OF NATURAL HISTORY. 



[FOURTH SERIES.] 



" perlitora spargite museum, 



Naiades, et ciroum vitreos considite fontes : 

 Pollice virgineo teneros hie car^iite flores : 

 Floribus et pictum, divae, replete canistrum. 

 At vos, o N\Tnphae Crateridea, ite sub undas; 

 Ite, recurvato variata corallia trunco 

 Vellite muscosis e rupibus, et mihi conchas 

 Ferte, Dese pelagi, et pingui conchylia succo." 



N. Parthenii Qiannettatii Eel. 1. 



No. 55. JULY 1872. 



I. — Contributions to the Study of the Entomostraca. By 

 George Stewardson Brady, C.M.Z.S. &c. 



No. VII. A List of the Non-parasitic Marine Copepoda of the 

 North-east Coast of England. 



[Plates II.-VI.] 



The following list, though embracing all the species at pre- 

 sent known to me as inhabiting the above-named district, 

 must be taken only as an instalment of what an exhaustive 

 survey would no doubt reveal. The examination of these 

 little creatures is exceedingly tedious and laborious, the points 

 of difference being often undistinguishable except with tolera- 

 bly high microscopic powers. Thus a very small gathering, 

 if it contain any great variety of species, will often occupy 

 many hours in its examination. 



By far the greater number of species here noted, or described 

 by foreign authors, are free-swimming animals ; some have a 

 special predilection for the fronds of Fuci, and others for 

 muddy localities or the bed of the sea ; but little is yet known 

 of the ground-inhabiting forms, and among them there remains 

 doubtless a rich harvest for future collectors. 



Two of the species described in Baird's ' British Entomo- 

 straca' it seems impossible to identify — Canthocamptus Stromii 

 and G. minuticornis. The former name probably applies to 

 some member of the genus Thalestris^ the latter, perhaps, 



Ann.& Mag. N. Hist. Ser. 4. Vol.x. 1 



