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

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



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

 Bowlder 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. On Rhizocraps in the Brian (Devonian) Period in America. 

 By Sir William Dawson, LL. D., F. R. 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. n. No. III. An Historical Sketch of the Chicago Academy of 

 Sciences. 



II. By the GEOijOGiOAii and Natural History Survey : 



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

 William Wirt Calkins. Price, 25. 



Bulletin No. II. The Pleistocene Features and Deposits of the 

 Chicago Area. By Frank Leverett, U. S. Geol. Survey. Price, 25. 



In Preparation ; 



a. Boring Records of Chicago and Vicinity. By T. T. Johnston. 



b. Palaeontology. 



c. Minerals. By C. M. Higginson and Prof. A, R. Crook. 



d. Lepidoptera. 



e. Mollusca. By Prof. Frank C. Baker. 



f. Aves. By Frank M. Woodruff. 



g. Reptilia and Batraohia. 



h. Alga3. By Frof. C. B. Atwell. 



i. Pteridophyta and Bryophyta. Dy Prof. E. J. Hill. 



j. Flora of Cook County and Vicinity, (Phasnogamia). By Prof. 



W. K. Higley and C. S. Raddin. 

 k. Ethnology and Archeology. By Dr. W. A. Phillips. 

 1. Diptera. 

 m. Noxious Insects. 

 n. Composition of the Waters of the Deep Wells of the Chicago 



Area. By Dr. J, H. Long, 

 o. Noxious Plants. By Prof. W. K. Higley. 

 p. The Niagara Formation. 



