DESMIDS FLORA OF MICHIGAN 
273 
Wklch P. s. 1936 a. — IJmnological investigation of a strongly basic bog 
Jake surrounded by an extensive acid-fonning bog mat. (Pup. Mich. 
Acad. Sci., Arl.f anil Lelters, 21 (1935) : 727-751). 
— 1936 b. — A limnological study of a small sphagnum-lcathcr-leaf- 
black spruce bog lakc with spécial rcfcrence to its plankton. (rrans. 
Amer Micro.^c. Soc., 55 : 300-312). 
--- 1938 a. — A limnological study of a bog lakg which bas ncver 
developed a marginal mat. [Trans. Amer. Microsc. Soc., 57 ; 344-357). 
— 19.38 b. — A limnological study of a retrograding bog lake. (Eco- 
logif. 19 : 435-453. Fig. 1, 3 tables). 
West \V. and West G. S. 1898.— On somc dcsmids of lhe United States. 
Jour. Linn. Soc. Bol., 33 : 279-322. 3 pis.). 
-- 1904. — A monograph of tlie Ilritish Desmidiaeceae. (Ray Soc. 
London, 1 : 224 pp. 32 pis.). 
__ 1905. — A monograph of the British Desmidiaeceae. (Ray Soc. 
London, 2 : 204 pp. 32 pis.). 
— 1908. -- A monograph of the Briti.sh Desmidiaeceae. {Ray Soc. 
London, 3 : 274 pp. 21 pis.). 
-- 1912. -- A monograph of the British Desmidiaeceae. iRay Soc. 
London, 4 : 191 pp. 32 pis.). 
— and Carter W. 1923. — A monograph of lhe British Dcsmidiaceae. 
(Ray Soc. London, 5 : 269 pp. 28 pis.). 
