I 



the fauna of liverpool. 



Cythere ? 



A species found by Mr. Weightinan in May 1852, which he cannot refer to any 

 described in Baird's Work. 



Order COPEPODA. 



Family CYCLOPID.E. 

 Genm CYCLOPS. 

 Cyclops Quadricornis. 



Common in most ponds and ditches ; all the varieties are met with. 



Gcnm CANTHOCAMPTUS. 

 Canthocamptus Minutds. 



Cheshire. Seaforth. — Mr. Weightman. 

 Canthocamptus Stromii ? 



New Brighton, in tide-pools, 1852. — Mr. Weightman. 

 Canthocamptus Furcatus. 



Hilbre, and in pools amongst seaweeds round the coast. 



Genus ARPACTICUS. 

 Aepacticus Chelifer. 



Not uncommon upon the shores of Wirral. 



Genus ALTEUTHA. 

 Alteutha Depressa. 



Found occasionally in the pools upon the shores. 



Family DIAPTOMID^. 

 Gemis DIAPTOMUS. 

 Diaptomus Castor. 



In a pond between Eastham and Eock Ferry, May, 1852. Mr. Weightman 

 met with specimens of a green variety at Roby, in August and September, 

 1851 ; and a male of a very large green variety from a ditch near Seaforth : 

 it was very distinct from that caught at Roby, and much more beautiful. 



Legion P^CILOPODA. 



Order SIPHONOSTOMA. 



Tribe PELTOCEPHALA. 



Family CALIGIDtE. 

 Gemis CALIGUS. 

 Caligus Rapax. 



Parasitic upon the Sapphirine Gurnard. 

 Caligus MIilleri. 



Attached in great numbers to a specimen of " Cyclopterus Lumpus," and 

 upon a very large Thomback. 



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