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MEMOIRS 



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SEPARATK MEMOIRS OP V0](-. II. 



PART I. 



Volcanic Manifestations in New England. By .Wm. T. Brig- 

 ham, A.M. pp. 28. 50 cents. 



Early Stages of Terebratulina. By Prof. Edward S. Morse. 

 Two Steel Plates, pp.12. ,$1.00. 



Osteology arid Myology of Didelphys virginiana. By Elliot 

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PART II. 



Development of Limidus Polyphemus. By A. S. Packard, 

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Description of the Balsenoptera musculus, in the possession 

 of the Society. By Thomas Dwight, Jr., M.D. 

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Fossil Myriapods from Nova Scotia. By S. H. Soudder 

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Note additionnelle au Memoire intitule " Volcanic Manifesta- 

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PART m. 



Embryology of Terebratulina. By Prof. E. S. Morse. Two 

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List of the Birds of Western Mexico, by George Law- 

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THE ENTOMOLOGICAL CORRESPONDENCE OF DR. T. W. HARRIS. 



Edited BY S. H. Scuddee. 

 8vo. Portrait and 4 plates; 1869. To members, $4.50; to the public $5.00. 



CENTENNIAL ANNIVERSARY OF THE BIRTH OF ALEXANDER VON HUMBOLDT. 



Address delivered by Louis Agassiz. With an account of the evening reception, 

 pp. 138. ■ 1869. 50 cents. 



