392 MINNESOTA BOTANICAL STUDIES. 



1208. Stanley, F. F. Collection of Photographs of Diatoms. 

 (Moeller's Diatomaceen Tj^pen- Flatten, etc.) Swampscott, 

 Massachusetts. 



1209. Stearns, F. P. Quality of ground Water, "Presence 

 of Crenothrix." Mass. St. Bd. Health Rep. 368-371. 1890. 



1210. . The Pollution and Self Purification of 



Streams. Report on Water Supply and Sewerage Part I. Mass. 

 St. Bd. Health. 785-S02. (Algae 801, 802.) 1890. 



1211. . Suggestions as to the Selection of Sources, of 



Water Supply. 22nd Ann. Rep. Mass. St. Bd. Health. 333-371. 

 1891. 



Eemarks upon Crenothrix. 



1212. Stearns, F. P. and Drown, T. 31. Discussion of 

 Special Topics relating to the Quality of Public Water Sup- 

 plies. Rep. Water Supply and Sewerage Part I. Mass. St. 

 Bd. Health. 717-782. (Algae 731. 717. 770.) 1890. 



1213. Sternberg, G. M. Motion of Diatoms. Am. Mo. 

 Mic. Jour. 2:227. D1881. 



1214. Stodder, C. On Two New Species of Stauroneis, S. 

 baconiana and S. pellucida. Proc. Boston Nat. Hist. Soc. 7 : 

 26-28. 1859-61. 



1215. . Report on Slides of Diatomaceae. — (Trans. 



Mic. Soc. 9:25-28. 1861.) 



Mounted by E. Samuels for the Boston Society of Natural History 

 and presented to the Microscopical Society of London. 



1216. . On the Structure of the Valve of the Diatom- 

 aceae. Proc. Boston Nat. Hist. Soc. 9:2-5. 1863.— (Quart. 

 Jour. Mic. Sci. 3:214. 1863.) 



1217. . On Diatomaceous Earth from Randolph, Mass. 



(1863.) Proc. Boston Nat. Hist. Soc. 9:319, 320. 1865. 



1218. . On Specimens of Deep Sea Soundings. (1864.) 



Proc. Boston Nat. Hist. Soc. 10: 13. 1866. 



1219. . Note on Rhabdonema mirificum. Proc. 



Boston Nat. Hist. Soc. 10: 101, 102. 1866. 



1220. . Report upon the Collection of Diatomaceae 



from the Alpine Summits of the White Mountains of New 

 Hampshire. Proc. Boston Nat. Hist. Soc. 75. 1867. 



1221. . On Infusorial Earth from Peru. (1866.) Proc. 



Boston Nat. Hist. Soc. 1 1 : 75-79, 1868, 



1222. -. On a Recent Gathering of Diatomaceous Mud 



from Pleasant Beach, Cohasset. "^67) Proc. B 'sTou Nat. 

 Hist, Soc. 11:132-134, 1868. 



