PROCEEDINGS OF SOCIETIES. 121 



Rhabdonema, Kiitzing. 



A. arcuatum, Kiitz. — Woodside slip, May, 1857; New 



Brighton, February, 1857, L. H. 

 R. minutum, Kiitz. — Dingle bay, February, 1857 — Rock 

 ferry slip, February, 1857, L. H. 



Striatella, Agardh. 

 S. unipunctata, Ag. — Primrose hill, New ferry, July, 1856. 

 Diatoma, Dec. 



B. vulgare, Bory. — Common. Canal near Aintree, June, 



1858, &c. 

 D. elongatum, Ag. — Common. Generally in brackish water. 



Far. j3.— Hoylake, October, 1856, G. M. B. 



Far. y. — Aintree, June, 1857. 



Grammatophora, Ehrenberg. 

 G. marina, Kiitz. — New Brighton, February, 1857, L. H. — 



Woodside slip, May, 1857. 

 G. serpentina, Kiitz. — New Brighton, April, 1857. 



Tabellaria, Ehrenberg. 

 T.fenestrata, Kiitz. — Well opposite Bebbington Church, July, 



1856. 



Biddulphia, Gray. 

 B. aurita, Breb. — R. Fender, June, 1856 — Southport sands, 



August, 1858, G. M. B. 

 B. Rhombus, Sm. — Common. New Brighton, frequently ; 



Leasowe, Southport, and Hoylake. 

 B. Baileyii, Sm. — New Brighton, April and October, 1858 — 



Stomach of Noctiluca, Southport, August, 1858, T. S. 

 B. turgida, Sm. — Leasowe, September, 1858, G. M. B. 

 B. granulata, Rop. — New Brighton, April, 1858 — Leastovve 



September, 1858, G. M. B. 



Podosira, Ehrenberg. 

 P. Montagnei, Kiitz. — Common. — Bidston marsh, Southport, 



&c. 

 P. maculata, Sm. — Not uncommon. New Brighton, &c. 



Meeosira, Agardh. 

 M. nummuloides, Kiitz. — Common. R. Mersey, frequently; 



Dee marsh, near Queen's ferry, June, 1858. 

 31. Borrerii, Grev. — Bootle shore, December, 1858, G. M. B. 

 M. varians, Ag. — Extremely common. 

 M. Westii, Sm. — Bidston marsh, October, 1857. 



Orthosira, Thwaites. 

 0. manna, Sm. — New Brighton, several times. 



