30 MUSEUM OF COMPARATIVE ZOOLOGY. [Apr. 



List of persons to whom the thanks of the Museum are due 

 for donations of fossils : — 



Allen, J. A. Fossils from St. John's River, Florida. 



Barxakd, J. M. For one-half the expenses of excavations for 

 fossils, made at Big Bone Lick. 



Hodge, Gen. G. B., of Newport, Ky. A valuable specimen of 

 crinoid. 



Martin, S. C, Student in the Museum. A lot of fossils. 



McLaughlin, C. A., of Covington, Ky. A lot of bones and 

 teeth of a mastodon and a mammoth. 



Perry, J. B., Assistant in the Museum. 17 boxes, 148 specimens 

 of Paljeozoic fossils and 850 of Pleistocene fossils. 



PouRTALES, L. F. de. A lot of fossils, from Springfield, Illinois. 



Shaler, N. S., Assistant in the Museum. Share in the expense 

 of collections made at Big Bone Lick and a collection of Silurian 

 fossils from Kentucky. 



Wyman, Prof Jeffries. A lot of fossil moUusca, from Florida. 



Report on the Tertiary Fossils, by Rev, J. B. Perry, Assistant 

 in Palceontolog-y. 



As the first of January is near at hand, it becomes my duty 

 to report generally upon what I have done, and more in partic- 

 ular upon the advancement which has been made, during the 

 year, in the arrangement of the fossil collections entrusted to 

 my care. Presuming that there is an acquaintance with the 

 condition of things twelve months ago, I proceed to touch upon 

 such points of interest as are calculated to show the changes 

 wrought, and the improvements effected since that time. 



First of all, I am to indicate the work carried on and the 

 progress achieved in the systematic disposition of the Tertiary 

 fossils. 



The last annual Report gives an account of the initiatory 

 steps taken with a view to the arrangement of the Gasteropoda 

 of the Tertiary era, and of the plan laid out for further investi- 

 gations upon them and upon the other Cainozoic remains. 

 Remembering what is there said, one can readily appreciate the 

 character of the undertaking, and the aims which should be 

 kept constantly in mind as a guiding light. These aims have 



