DONATIONS TO LIBRARY. 615 



Walpers. Annales Botanices Systematica? TWi Sexti. Fasc.land2. Auctore 

 Dr. C. Weller. Lipsise, 1861. From the Maclure Fund. 



Walsh. Insects Injurious to Vegetation in Illinois. By B. D. Walsh. From 

 the Author. 



Wartinan. Beitriige zur Anatomie uud Entwicklungsgesckichte der Algen- 

 gattung Lemanea. Von B. Wartman. St. Gallin, 1854. From the 

 Author. 



Wells. Annals of Scientific Discovery for 1862. Edited by D. A. Wells. Bos- 

 ton, 1862. From the Author. 



Wiess. Die Grnndstoff. Von Dr. A. Weiss. From the Author. 



Die Flourescens der Pflanzenfarbstoffe. Von A. Wiess, 1861. From the 

 Author. 



Wilder. Contributions to the Comparative Myology of the Chimpanzee. By 

 Burt G. Wilder, 1861. From the Author. 



Whitney. Report of a Geological Survey of the Upper Mississippi Lead Re- 

 gion. By J. D. Whitney. 1862. From the Author. 



White. Observations upon the Rocks in the Mississippi Valley, which have 

 been referred to in the Chemung Group of New York. By A. C. White 

 and R. P. Whitfield. From the Author. 



Winchell. On the Rocks lying between the Carboniferous Limestone of the 

 Hamilton Group. By A. Winchell. 1862. From the Author. 

 On the Saliferous Rocks and Salt Springs of Michigan. By A. Winchell. 

 From the Author. 



Wolf. Zoological Sketches. By Joseph Wolf. From Dr. Wilson, on the 

 usual conditions. 



Wiillner. Die Absorption des Lichtes in isotropen Mitteln. Von Dr. A. Wiill- 

 ner. Marburg, 1862. From the Author. 



Zeuner. Ueber das Wanken der Locomotiven. Von Dr. Gustav Zeuner. 

 Zurich. 1861. From the Author. 



