112 PROCEEDINGS OF SOCIETIES. 



T. Sansom and L. Hardman, who have very greatly assisted 

 me ; how much, their initials, attached to the localities given 

 on their authority, will show. For the other localities and 

 for the naming of all, I am myself answerable. 



Epithemia, Kiitzing. 

 E. turgida, Sm. — Frequent. Well at Sefton, August, 1856, 



and July, 1857; Bidston marsh, October, 1856, and 



many other localities 

 E. Zebra, Kiitz. — Bidston marsh, October, 1856. 

 E. Argus, Sm. — Railway bridge at Spital, September, 1858, 



L. H. — Well in Brombro' wood, September, 1S58. 

 E. alpestris, Sm. — Well at Sefton, August, 1856, and July, 



1857; railway bridge at Spital, April, 1857- 

 E. Sorex, Kiitz. — Sefton well, August, 1856, and July, 1857 ; 



Bidston marsh, August, 1858, &c. 

 E. Westermanii, Sm. — Bidston marsh, October, 1856, and 



October, 1857— Birkdale marsh, G. M. B. 

 E. vnpestris, Sm. — Bridge at Spital, Sept., 1858, L. H., &c. 

 E. gibba, Kiitz. — Frequent. Bidston marsh, Oct.. 1856, &c 

 E. ventricosa, Kiitz. — Railway bridge, Highfield, L. H. 



Eunotia, Ehrenberg. 

 E. Arcus, Sm. — Pit at Rock ferry, June, 1856. 



Cym bella, Agardh 

 C. Ehrenbergii, Kiitz. — River Alt, near Sefton, July, 1857. 

 C. cuspidata, Kiitz. — Always occurs sparingly. Thornback 



pool, Crosby, September, 1856 — Southport, June, 1857, 



G. M. B. 

 C. maculata, Kiitz.— Patrick's well, Spital, March, 1857. 

 C. Helvetica, Kiitz. — Well at Sefton, July, 1857. 

 Far (3. — Thornback pool, Crosby, Sept. 1856. 



Amphora, Ehrenberg. 

 A. oralis, Kiitz. — Frequent. Canal bridge over R. Alt, &c. 

 A. ajjlnls, Kiitz. — Not uncommon. Bidston marsh. July, 



1856, and October, 1857, &c. 

 A. salina, Sm. — Bidston marsh, July, 1856; Great Float, 

 April, 1858. 



Coccoxeis, Ehrenberg. 

 ('. Vediculuti Ehr. — Lock at Sefton, July, 1S57; stream near 



Shotwick, Cheshire, June, 1858. 

 C Vlhu'iiliil,!, Ehr. — Very common ; in fact in almost all 



fresh water gatherings. 

 ('. TAwaiiesii, Sm. — Rock in Dingle, March, 1857. 

 ('. Scutellum, Ehr.— New Brighton, March, 1857, I- II. 



V/V-/, Donk. — New Brighton sands, September. l^.nS. 



