333 MINNESOTA BOTANICAL STUDIES, 



528. Forbes, S. A. Studies of the Food of Fresh Water 



Fishes. Bull. 111. St. Lab. Nat. Hist. 2:433-473. 1888. 

 Algae detected as food in a number of cases. 



529. . On the Food Relations of Fresh Water Fishes: 



a Summary and Discussion. Bull. 111. St. Lab. Nat. Hist. 

 475-538. 



Gives a list of genera of algae detected as food, with the species of 

 fish known to use them. 



530. France, Raoul. Recherches sur le ^enre Phythelios 

 Frenz. La Notarisia. 9:1-5. 1894. 



Specimens from Argentine. 



531. Francotte, P. Mounting Diatoms in Series. The 

 Microscope. 4:91. Apl884. 



532. Franklaud, E. Water analysis for Sanitary Purposes, 

 with Hints for the Interpretation of Results. P. Blakisten. 

 1880. Philadelphia. 



533. Freelaiid, P. On the Movements of the Diatomaceae. 

 Can. Jour. N. S. 6:324-327. If. (2P) J11861. 



534. Freestou, G. Preparations of Volvox, Nostoc and 

 other Algae. Am. Mo. Mic. Jour. 6 : 79. Apl885. 



535. Fteley, A. Algae observed in Storage Basin No. 3 of 

 the Boston Water Supply, in 1879. 1st Ann. Rep. Mass. St. Bd. 

 Health, Lunacy, and Charity, for 1879: 123-128. '1880. 



536. Gardiner, J., Brace, L. J. K. and DoUey, C. S. Pro- 

 visional List of the Plants of the Bahama Islands. Proc. 

 Phil. Acad. 1889:349-407. 1890. 



Six species of marine algae listed. 



537. Gardner, J. S. Reply to Nathorst on Fossil Algae. 

 Nature 28:52. 17Myl883. 



538. Gerstenberger, C. Bacillarien praparate aus dem 

 Guano. Beitr. z. Neuen. Mikros. 3:47. 1862. 



539. Gibbs, G. Red Snow in Washington Territory. Am. 

 Nat. 5:116, 117. Mrl871. 



540. Gilbert, G. K. Lake Bonneville. U. S. Geol. Surv. 

 210. 1890. 



Spates that diatoms are plentiful in certain portions of tlie White 

 Marl, but have not yet been found in the Yellow Clay. 



541. Goddard, P.B. Infusoria. Proc. Phil. Acad. 1:172. 

 (lOMy.) ApMyl842. 



States that the Infusoria referred toby Dr. Challoner at meeting of 

 May 3, are probably Closterium. 



