CONTENTS. 



Page. 



List of Additions to the Library, i 



Art. L — Notice of the Crustacea c;ollected by Prof. C. 

 F. Hartt on the coast of Brazil in 1867. By Sidney 

 L Smith, 1 



List of the described species of Brazilian Podoph- 

 thalmia, 31 



Art. IL — On the Geology of the New Haven Region, 

 with special reference to the Origin of some of its 

 Topographical Features. By James D. Dana 45 



Art. IIL — Notes on American Crustacea, No. I, Ocypod- 



oidea. By Sidney L Smith, 113 



Art. IV. — On some alleged specimens of Indian Onomato- 

 poeia. By J. Hammond Trumbull, 177 



Art. V. — On thic Molluscan Fauna of the later Tertiary 



OF Peru. By E. T. Nelson, 186 



