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

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



No. IX. On Rhizocarps in the Erian (Devonian) Period in America. 

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



No. X. A Paper on Elephas Primigenius. By William K. Higley. 

 Price, 25 cents. 



Bulletins, Volume II. 



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

 Indiana. By William K.iSigley and Charles S. Raddin. Out of print. 



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

 Muricidse. 'By Frank Collins Baker, Curator. Price, 25 cents. 



No. III. The Gross Anatomy of Limnsea Emarginata Say, Var. High' 

 elsi, Binney. By Frank Collins Baker, Curator. Price, 25 cents. 



No. IV. (1) The Digitations of the Mantle in Physa. (2) Descrip- 

 tion of a New Species of Limnsea. By Frank Collins Baker, Curator. 

 Price, 25 cents. 



Special I|ublications : 



No. I. Historical Sketch of The Chicago Acadany of Sciences (1856- 

 1902). By William Kerr Higley, Secretary of the Academy. Limited dis- 

 tribution. 



II. By THE Natubal Histoby Stjbvet: 



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

 Wirt Calkins. Price, 25 cents. 



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

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



Bulletin No. III. The MoUusca of the Chicago Area. Part I, The 

 Pelecypoda. Part II, The Gastropoda. By Frank Collins Baker, Curator 

 of The Chicago Academy of Sciences. Price, Part I, 50 cents; Part II, 

 $1.00. 



Bulletin No. IV. The Paleontology of the Niagaran Limestone in the 

 Chicago Area. Part I, The Crinoidea. By Stuart Weller of the University 

 of Chicago. Price, 50 cents. 



Bulletin No. V. The Mineralogy of the Chicago Area. By Alja Rob- 

 inson Crook of the Northwestern University. Price, 35 cents. 



Bulletin No. VI. The Birds of the Chicago Area. By Frank Morley 

 WoodrufE. Price, 75 cents. 



In Preparation: 



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



b. Paleontology. (Subsequent parts.) By Professor Stuart Weller. 



c. Lepidoptera. By William L. Tower. 



d. Reptilia and Batrachia. By Dr. Seth E. Meek. 



e. Algse. By Professor C. B. Atwell. 



f. Pteridophyta and Bryophyta. By Professor E. J. Hill. 



g. Flora of Cook Cojinty and Vicinity (Phsenogamia). By Professor 

 William K. Higley and Charles S. Raddin. 



h. Ethnology and Archseology. By Dr. William A. Phillips, 

 i. Fishes. By Dr. Seth B. Meek, 

 j. Noxious Insects. 



k. Composition of the Waters of the Deep Wells of the Chicago Area. 

 By Dr. John H. Long. ,^ 



1. Fleshy Fungi. By Dr. W. S. MofEatt. \V 



m. The Niagara Formation. In charge of Dr. Thomas C. Chamberlin. 



