MUSEUM OF COMPARATIVE ZOOLOGY. 31 



and assistance of Prof. S. L. Powell of Roanoke College, I was 

 able to collect more than a barrel of good Ordovician fossils in this 

 short time. 



The following accessions, other than those mentioned above, 

 have been received : — 



By donation: 80 Museum trays of fossils and geological speci- 

 mens from the Ordovician of central Pennsylvania, representing 

 the collecting from that region for two seasons, from Mr. R. M. 

 Field; 9 Museum trays of Cambrian and Carboniferous fossils 

 from Montana, and a unique collection of blastoids from Old 

 Baldy and Cherry Creek, Montana, from Mr. T. H. Clark; a cast 

 of the type of Megalaspis beckeri Slocum, from Dr. E. O. Ulrich; 

 4 slabs with Olenellus, from the Curator. 



By purchase: 42 specimens of invertebrate fossils from Mr. 

 Frederick Braun; 7 specimens from Ward's Natural Science 

 Establishment. 



