B, PRESTON CLARK 



55 KILBY STREET. BOSTON, MASS.. U.S.A. 



desires SPHINGID>E from North and North-west 

 India, Bengal, Thibet, Afghanistan, Abyssinia, Somali- 

 land, East Africa, Borneo, Java, and Mesopotamia. 



He will recompense collectors liberally, either in 

 cash, books, or any other form that may be more 

 agreeable; and will be glad to hear from anyone who 

 can help him in any of the above countries. 



He would also be glad to exchange with other 

 collectors or with Museums. 



SCIENTIFIC BOOKS AND SERIALS. 



WHELDON & WESLEY, Ltd. have the largest stock in the country of Books 

 in all Departments of Natural History and Science, also Transactions and Journals 

 of Learned Societies, etc., in sets, runs, and single volumes or numbers. 

 Libraries or small parcels purchased, 



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