RECENT ADDITIONS TO THE UBRARY. —Conhm(ea. 



Washington. — United States Geological Survey. Geologic Atlas of 

 the United States, Folios Nos. 174 — 182. Washington, D.C., 

 1910 — 1912. [J^ecd. iyl7>ii.l/3.) 



Purchased. 



Alder (J.) and Hancock (A.) The British Tunicata. Vol. III. Published 

 by the Kay .Society. London, 1912. (Reed, igjth'.jis.) 



Thiselton-Dyer (Sir W. T.). Flora Capensis. Vol. V., sect, i, part iv. 

 London, 1912. (Reed. 2yjvi.//2.) 



West (W.) and (G. S.). A Monograph of the British Desmidiaceae. 

 Vol. IV. Published by the Ray Society. London, 1912. (Reed, 

 igjiii. 1 12. ) 



Neiv Exchanges. 



Sendai. — Tohoku Imperial University. The Science Reports ; and 

 The Tohoku Mathematical Journal. 



Taihoku. — Bureau of Productive Industries. Icones Plantarum For- 

 mosanarum, nee non et Contributiones ad Floram Formosanam. 



And the ttsual Exchanges atid Periodicals. 



