Tilden: bibuography of American algae. 301 



56. Arthur, J. C. A supposed Poisonous Sea-weed in the 

 Lakes of Minnesota. — (Proc. Am. Ass. Adv. Sci. 32:305. 

 {Agl883.) 1884.) (Science. 2:333. 7S1888.; 



57. Arthur, J.C., Uphani, W., Bailey, L. H., Jr., Holway, 

 E. W. I), and others. Algae. Report on Botanical Work in 

 Minnesota for the year 1886. Geol. and Nat. Hist. Surv. Minn. 

 Bull. No. 3, 36-39. 101887. 



I'ifty-seven species are listed. 



58. Ashbiirner, . Diatomaceous earth from Santa 



Monica bay. — (Am. Mo. Mic. Jour. 8:58. Mrl887.) 



Read before San Francisco Microscopical Society, Feb. 23, 1887. 



59. Ashmead, 8. Marine Algae. Proc. Phil, Acad. 

 6:147, 148. (14S) 1852. 



A collection of 40 specimens from Beesley's Point, N. J., donated to 

 the Museum and a few ftmarks concerning their habitat. 



60. —. . Marine Algae. Proc. Phil. Acad. 6:lxxii. 



(110) 1853. 



Thirty-six specimens from Newport and New Haven. 



61. . Marine Algae. Proc. Phil. Acad. 7 :xxxiii. 



(901855.) 1856. 



Twenty. nine species from Beesley's Point, N. J. are added to the 

 Museum. 



62. . Catalogue of Marine Algae discovered at Bees- 

 ley's Point during the past summer, with some remarks 

 thereon. Proc. Phil. Acad. 7:410-413. (3001855.) 1856. 



Thirty species embraced in this list. 



63. . Marine Algae. Proc. Phil. Acad. 8 :i. (19F1856.) 



1857. 



Six species from Florida presented to the Museum. 



64. . Marine Algae. Proc. Phil. Acad. 8:v. (22Ap- 



1856.) 1857. 



Sixty-six specimens presented, which were collected at Key West, 

 Florida, during the winter of 1855-56. 



65. . Marine Algae. Proc. Phil. Acad. 1857:74. 



(17Mrl857.) 1858. 



A verbal discussion of the specimens presented upon a former occasion 

 and of some additional ones involving a correction of some of the 

 names. 



66. . Marine Algae. Proc. Phil. Acad. 1857 :ii. 



(17Mrl857.) 1858. 



Ten specimens including 9 species from Key West, Florida. 



67. . A list of Plants and a Catalogue of Marine 



Algae collected on the coast of Egg Harbor, at and near Bees- 

 ley's Point. Geol. Report Cape May county, N. J. 149-154. 

 1857. Trenton. 



