380 MINNESOTA BOTANICAL STUDIES. 



1062. Bafter, G. W. On some Recent Advances in Water 

 Analysis and the Use of the Microscope for the Detection of 

 Sewage Contamination. — (Am. Mo. Mic. Jour. 14:127-139. 

 Myl893.) 



Read before the Buffalo, N. Y., Microscopical Club, Dec. 12, 1892. 

 Ninety forms of algae stated to have been found in the water of 

 Hemlock lake. 



. See Mallory, M. L., Rafter, G. W. and Liue, 



J. E. 



1063. Raiid, E. L. Flora of Mount Desert Island, Maine. 

 Fourth Annual Supplement to the Preliminary List. Hecto- 

 graph print 1-7. 1892. 



Includes a list of algae determined by F. S. Collins and I. Holden. 



1064. Raud, E. L. and Redfield. J. H. Flora of Mount 

 Desert Isla nd, Maine. A Preliminary Catalogue of the Plants 

 growing on Mount Desert and the adjacent islands. With a 

 Geological Introduction by W. M. Davis and a new map of 

 Mount Desert Island. 8vo. 1-286.— (Algae. 227-249.) John 

 Wilson & Son. 1894. Cambridge. 



Two species of Nitella and 140 species and 6 varieties of other algae. 



1065. Rattray, J. A Revision of the Genus Aulacodiscus 

 Ehrb. and of some Allied Genera. Jour. Roy. Mic. Soc. 1888: 

 337-382. pi. 5-7. Je. 1888: 861-920. i^Z. i^-i 6. D1888. 



A number of American forms named. 



1066. . Diatomaceae. Notes on the Botany of Fer- 

 nando Noronha. Jour. Linn. Soc. 27:81-86. 1891. 



Forty-six species from Fernando l^oronha and 15 species from guano 

 from Eat Island noted. 



1067. Raveiiel, H. W. A Catalogue of the Natural Orders 

 of Plants, inhabiting the Vicinity of the Santee Canal, S. C. 

 as represented by Genera and Species; with Observations on 

 the Meteorological and Topographical Conditions of that Sec- 

 tion of Country. Proc. Am. Ass. Adv. Sci. Third Meeting, 

 Mar. 1850. 2-17. (12Mr.) 1850. 



Twenty-flve species of algae. 



1068. . Nitella praelonga. A. Braun. Bull. Torr. Bot. 



Club. 6:82. Mrl876. 



Notes occurrence in vSouth Carolina. 

 1089. Redfield, J. H. Conservator's Report for 1888. Proc. 

 Phil. Acad. 1888:449,450. (25D1888.) 1889. 



Reports that during the past year 229 species of lichens, fungi and 

 algae have been added to the herbarium. 



1070. . Conservator's Report for 1891. Proc. Phil. 



Acad. 1891:500-502. (29D1891.) 1892. 



