CORRESPONDENCE. 115 



Osteology. 



1. Bones of large animals, imbedded or loose. Bones of the 

 ancient saurions or lizards. 



2. Bones and skeletons of fossil fishes, with the including rock. 



. / ' Entomology. 



1. Insects. 



Ornithology. 

 1. Birds, especially within the Southern Polar Circle. 



Natural History, generally. 



1. Animals and plants, preserved drawings of. 



2. The Moluscou's animals, generally. 



3. Bowlder stones, in groups, trains, or separately. 



4. Beach pebbles, of shores of the sea, of lakes and rivers. 



5. Many specimens in all branches of natural history to be pre- 

 served, when necessary, in spirits, dried or otherwise. 



6. Quadrupeds. 



7. Seaweeds, fixed or floating. 



8. Tides on coast ; their heights. 



9. Topographical peculiarities, of every kind. 



Every friend of knowledge looks forward to the finale of this 

 undertaking with the most pleasing anticipations, while every 

 American patriot must view it as reflecting additional lustre on 

 the flag of his native land. 



I am, dear sir, 



Yours, respectfully, 



B. SILLIMAN. 

 J. N. REYNOLDS, Esq., 

 New- York. 



