632 LETTER OF TRANSMISSAL. 
Agassiz’s Contributions to Natural History, Dumeril and Bibron’s Erpetologie, the Cata- 
logues of the British Museum, DeKay’s Reptiles of New York, Prof. Cope’s Check List, 
and Mitchell’s Researches upon Crotalus Poisoning. 
obligation and with gratitude for all favors received. 
I am, sir, very respectfully yours, 
With this acknowledgement of 
W. H. SMITH. 
St. Cua, Micw., April, 13, 1881. 
