1876.] 



SENATE— No. 10. 



23 



Kentucky Geological Survey (through Prof. N. S. Shaler). 



Astacidse and Isopoda from Cumberland Gap. 

 Sladden, W. p. Fourteen fossil Merostomata from Upper Ludlow 



Beds of Lesmahagow, Lanarkshire. (By exchange.) 



Smith, Prof. S. I. Eight species fresh-water Crustacea. 

 "Walker, J. A blue Homarus Americanus. 



Yarrow, Dr. H. C. Eleven Apus aequalis, 10 Estheria, from New 

 Mexico. (U. S. Exploring Expedition, west of 100th merid.) 



