PUBLICATIONS— Continued. 



No. IV. Report of the Committee on the Microscopic Organisms 

 in the Boulder Clays of Chicago and Vicinity. By H. A, Johnson, M. 

 D. and B. W. Thomas, F. E. M. S., Committee, Price, 25, 



No. V. The Northern Pitcher-Plant or the Side-Saddle Flower, 

 Sarracenia purpurea, L, By W. K. Higley. Price, 25. 



No. VI. Boulder Clays. On the Miscroscopic Structure of Certain 

 Boulder Clays and the Organisms Contained in Them. By Dr, George 

 M. Dawson, D. S., F. G, S., &c. Price, 25. 



No. VII. Some Points on the Micro-Chemistry of Fats. By John 

 S. Long, Sc. D. Price, 25. 



No. VIII. Chicago Artesian Wells. On Their Structure and Sources 

 of Supply. By Leander Stone, A. M. Price, 25. 



No. IX. OnRhizocarps intheErian (Devonian) Period in America. 

 By Sir William Dawson, LL. D., F. B, S. Price, 25. 



No. X. A Paper on Elephas Primigenius. By W, K. Higley. 

 Price, 25. 



Bulletins, Volume II. 



No. I. The Flora of Cook County, Illinois, and a part of Lake 

 County, Indiana. By William K. Higley and Charles S. Raddin. Price, 

 cloth 1.00; paper 75. 



No. II. Preliminary Outline of a New Classification of the Family 

 Muricidse. By Frank Collins Baker, Secretary and Curator. Price, 25* 



In Preparation: 



Vol. II, No. III. An Historical Sketch of the Chicago Academy of 

 Sciences. 



II. By the GeoijOGicaij and Nattjkal Histokt Suevet: 

 Bulletin No. I. The Lichen-Flora of Chicago and Vicinity. By 

 William Wirt Calkins. Price, 25. 



In Preparation: 



a. The Drift of the Chicago Area. By Frank Leverett, U, S. Geol. 

 Surv. 



b. Boring Records of Chicago and Vicinity. A reference bulletin. 



c. Palfentology. By M. Fischer and W. 0, Egan. 



d. Minerals. By C. M. Higginson. 



e. Lepidoptera. By W. E. Longley. 



f. Mollusca. By Prof. Frank C. Baker. 



g. Aves. By Prank M, Woodruff, 

 h. Reptilia and Batrachia. 



1. Algae. By Prof. C. B, Atwell. 



j. Pteridophyta and Bryophyta, By Prof. E. J. Hill, 

 k. Flora of Cook County and Vicinity, (Phsenogamia and Vascu- 

 lar Cryptogamia). By Prof. W. K. Higley and C. S. Raddin. 

 1. Ethnology and Archeology. By Dr. W. A. Phillips, 



