OF CONCHOLOGY. 175 



it, and Mr. Binney's figures assist my conviction that, as a basis 

 of classification, it is utterly unreliable. 



The book is a very valuable contribution to the study of 

 American Conchology, and cannot fail to enjoy a wide circula- 

 tion and enviable reputation among students. No working 

 naturalist can conveniently dispense with it, and I particularly 

 commend it to those who possess my own work on the same sub- 

 ject, in order that they may become acquainted with the views of 

 a gentleman who has made the study of our terrestrial species a 

 specialty, and whose decisions, differing in so many cases from 

 my own, are, at least, entitled to the most careful consideration. 



List of the Shell-Bearing Mollusca of Michigan, especially of 

 Kent and adjoining Counties. By A. 0. Currier, Grand Rapids, 

 Mich., 1868. 



The locality furnishing the collections catalogued above is one 

 of the most prolific in the United States in specific forms of ter- 

 restrial and fluviatile Mollusca, and, accordingly, we find that our 

 correspondent has been able to make a list numbering nearly 

 two hundred species. 



American Journal of Science and Arts. March, 1869. 



Are Unios sensible to light ? By C. A. White. 



Same Journal. May, 1869. 



Are Unios sensible to light ? By Isaac Lea. 



American Naturalist. Vol. iii., No. 5. July, 1869. Salem, Mass. 



Notes on the Argonaut. By W. H. Dall. 



The Haliotis, or Pearly Ear-Shell. By R. E. C. Stearns. 



A Chapter on Cuttle Fishes. By Lucie L. Hartt. 



Shell-Dredging. By Edward S. Morse. 



This is decidedly a jubilee number of the Naturalist to those 

 of its readers having conchological tastes. The three last papers 

 are well illustrated. 



First Annual Report of the Trustees of the Peabody Academy of 

 Science. Salem, Mass., 1869. 



Report on the 3Iollusca. By E. S. Morse, Curator. 

 Actinobolus Novanglioe, Morse. Massachusetts. 



