(x) 





ADDITIONAL BIBLIOGRAPHY. 



(SEE VOL. I, PP. xvii-xxxvi.) 



WEST & G. S. WEST, Freshw. Alg. Orkneys and Shetlands. 

 W. West and Gr. S. West, Freshwater Algre from the 

 Orkneys and Shetlands. Trans. Botan. Soc. Edinburgh, 

 XXIII, Oct. 1905. 



WEST & Gr. S. WEST, Further Contrib. Freshw. Plankton Scott. 

 Lochs. W. West and Gr. S. West, A Further Contribu- 

 tion to the Freshwater Plankton of the Scottish Lochs. 

 Trans. Roy. Soc. Edinburgh, XLI, 1905. 



