Tilden: bibliography of American algae. 387 



1141. Setchell, W. A. Concerning the Life History of 

 Saccorhiza dermatodea (De la Pyl.) J-Ag. Proc. Am. Acad. 

 Arts. Sci. 26:177-217. pl.l, 2. (lOJe.) 1891. — (Jour. Roy. Mic. 

 Soc. 1892:829. D1892.) 



1142. . On the Classification and Geographical Dis- 

 tribution of the Laminariaceae. Trans. Conn. Acad. 9:333. 

 1893. Reprint. 



1143. Seward, A. C. Algae as Rock-Building Organisms. 

 Sci. Progress. 2:10-26. S1894. 



Ileference to deposits and growths in America. 



1144. Seymour, A. B. Marine Algae. St. Nat. Hist. Soc. 

 111. 7J11884.)— (Science. 4:123. 8Agl884. ) 



1145. Shaeffer, P. "VV. Impressions of Algae in Old Red 

 Sandstone. Proc. Phil. Acad. 8:iv. (llMrl856.) 1857. 



Eleven specimens from Schuyler county, Penn., are donated. 



1146. Shaler, N. S. The Geology of Cape Ann, Massa 

 chusetts. U. S. Geol. Surv. 9th Ann. Rep. 539-611. (20Jel888.) 

 1889. 



Discusses the effect of sea-weed on movement of pebbles. 



1147. Sharp, H. On Mounting Diatoms in Lines and Pat- 

 terns.— (The Microscope. 3:26-28. Apl883.)— (Am. Mo. Mic. 

 Jour. 4:132, 133. J11883.) 



1148. Shaw, W. R. Pleodorina, a new Genus of Volvo- 

 cineae. Bot. Gaz. 19:279-283. pi 27. 16J11894. 



Describes genus and 1 species. 



1149. Shultz, C. S. Volvox globator. Am. Jour. Mic. 3:91. 

 Apl878. 



1] 50. . Note on Peridinium and Asterionella. Jour. 



N. Y. Mic. Soc. 1 :190. (19 Je.) J11885. 



1151. Silliman, B. United States Exploring Expedition. 

 Am. Jour. Sci. Arts. 44:393-408. JaPMrl843. 



Sea-weeds collected. 



1152. Slack, H. J. Mr. Stodder's Remarks on Eupodiscus 

 argus. Mo. Mic. Jour. 9:186.187. lApl873. 



. See Ernst, A. and Slack, H. J. 



1153. Sloaiie, H. Catalogus plantarum, quae in insula 

 Jamaica sponte proveniunt vel vulgo coluntur cum earundem 

 synonymis et locis natalibus; adjectis aliis quibusdam, quae in 

 insulis Maderae, Barbados, Nieves et St. Christophori nascun- 

 tur, seu Prodromi historiae naturalis Jamaicae. Brown. 

 Parti. 1-232. 1696. London. 



