Duplicate Old Books for Sale. 



Marshal!., H. Catalogue des Arbres et Arbrissaux. 1788. Price $2 

 PuRSK, F. Donn's Hortus Cantabrigiensis, London 1819. Newly bound $2 



Du MOLiN, J. B. Flore Poetique Ancienne, 1856 $2 



BiGELOW, J. Florula Bostoniensis (1814) (2 copies) per copy $5.00 



Guide to Natura. Vols. I and II. Complete $1.50 



Publications 



NiEUWLAND, J. A. Some Reactions of Acetylene, 1904 pp. 160 $ .75 



" " Some Linnaean Trivial Names. 1911. pp. 26 15 



** " The Laboratory Aquarium, Notes on Seedlings of 



Bloodroot. 1910. pp. 16... 15 



" " Notes on Collecting and Growing Algae for Class- 

 work. 1 909. 13 pp .10 



" " Our Amphibious Persicarias, I., II., 1911. 63 pp. .30 



Hahn, W. A.nalytic Study of Faunal Changes in Indiana, 2 plates, 



1910, 27 pp 15 



Greene, R. L. Certain Aspects of the Species Question. 1910. 19 pp. .10 



" " Bubani's Flora Pyrenaea. 191 1. 19 pp 10 



" " Antennaria in the Middle \\'est. loii. 17 pp in 



KiRSCH, A. M. Biological vStudy of Noctiluca. l plate. 1909. Spp. . . .iv 



" " Fresh Water Sponges of the United States, 1909, 10 pp. .to 



Reprint 



RafinesQUE, C S. Neogenyton, (1825)... 



Vol. I. American Midland Naturalist, pp. 293. 17 plates, $1.50. A 

 limit_ed number of copies of Vol. I.&II. may be's till supplied to the libraries 

 of Universities free of charge, on payment of postage (10 cts.) New sub- 

 scribers to Vol. III. that have not Vol. I. & II. may receive these for 

 payment of postage (2 sets.). 



Wanted 



Volume 13. Report of St. Louis Botanical Garden. 

 Lloyd, C. G. Mycological Notes. VoL I. No. 13. 

 Gu'de to Nature. Vol. IV, Nos. 2, 3, 4, S, Vol. Ill, Nos. 3. 5, 10. 



