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BESow, secretary of the Navy, by rear-amiral C.-H. Davis. Washington, 

 government printing office, 1876; in-8° relié. 



Proceedings qf the american Academy of Arls and Sciences; new séries, 

 vol. IV; whole séries, vol. XII, from may 1876 to may 1877. Boston, 

 Wilson and Son, 1877; in-8°. 



ERRATA. 



(Séance du 16 juillet 1877.) 

 Page 160, ligne 21, au lieu de 446543, lisez 4 46 1 543. 



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