Tilden: BIBLIOGRAPHY OF AMERICAN ALGAE. 345 



Species of Algae, discovered in Lord Auckland's Group. Camp- 

 bell's Island, Kerguelen's Land, Falkland Islands, Cape Horn, 

 and other Southern Circumpolar regions, during the voyage of 

 H. M. Discovery Ships, Erebus and Terror. Hook, Jour. Bot. 

 London. 4:249-276. 293-298. 1845. 



611. Haskins, B. W. Observation on the Movements of a 

 Diatom. The Microscope. 10:272,273. S1890. 



Examination of a Lake Erie form. 



612. Hastings, W. N. A Proposed New Desmid. Am. Mo. 

 Mic. Jour. 13:29. If. F1892. 



Gonatozygon aculeatum is the name proposed for a new desmid from 

 New Hampshire. 



613. . How to Collect Desmids. Am. Mo. Mic. Jour. 



13:113-116. Myl892.— (The Microscope. 12:147. 1892.) 



614. . New Desmids from New Hampshire. I. Am. 



Mo. Mic. Jour. 13:153-155. 1 pi. J11892. 



New species and varieties in 4 genera described. 



615. Hauck, F. Meeresalgen von Puerto-Rico. Engler's 

 Bot. Jahrb. 9:457-470. 1888. 



Ninetj'-two species, of which 2 are new, are listed with observations. 



616. Hay, G. U. Preliminary List of New Brunswick Algae. 

 Bull. N. B. Nat. Hist. Soc. No. 5. 1886. 



617. . Marine Algae of the Maritime Provinces. 



Bull. N. B. Nat. Hist. Soc. 6:62-68. 1893.— (Bull. Torr. Bot. 

 Club. 14:220. 401887.) 



Lists 84 species. 



618. Hay, 0. U. and MacKay, A. H, Marine Algae of New 

 Brunswick. With an Appendix containing a List of the Marine 

 Algae of the Maritime Provinces of the Dominion of Canada, 

 with notes. Trans. Roy. Soc. Canada. 5*: 167-174. (1887.) 1888. 



619. Helm, S. Note on the Binary Subdivision of Micra- 

 sterias denticulata (Breb. ) Ralfs. Jour. N. Y. Mic. Soc. 5:93, 

 94. pi. 20. 401889.— (Jour. Roy. Mic. Soc. 1890: 217. Apl890.) 



620. Hemsley, W. B. Report on the Botany of the Ber- 

 mudas and various other Islands of the Atlantic and Southern 

 Oceans. Part 1. Rep. Sci. Results Voyage H. M. S. Chal- 

 lenger 1873-76. (Bot.) 1:1-128. (Algae L04-128.) (4Mrl884.) 

 1885. Part II. Rep. Sci. Results Voyage H. M. S. Challenger. 

 1873-76. (Bot.) 1:1-281. (16Apl884. ) 1885. 



The number of species of Bermudan algae given in this work is 

 stated to be 132 and a list of them is furnished in Part I. Seventeen 

 species from St. Paul's Rocks; 31 from Fernando Noronha and con- 

 tiguous islets; 4 from Ascension; 19 from St. Helena; 17 from 

 Tristan da Cunha Group listed. 



