( ^61 ) 



En échange du Bulletin : 



Annual Report of the board of l'egenls ofthe Smithsoniau 

 Institution; Washington, I86G, i vol. 



Boston Journal of Natural History, contaîning papers and 

 communications, read before the Boston Society of Natural 

 History; vol. VI et VII, Boston, I850-I865. 



Memoirs read before the Boston Society of Natural History ; 

 being a nexo séries of the Boston Journal of Natural History ; 

 vol. I, part. I et II, Boston, 1860-1867. 



Proceedings of the Boston Society of Natural History; vol. 

 IX, X et XI, Boston 1865-1867. 



Condition and doings of the Boston Society of Natural 

 History as exhibited by the annual reports of the custodian, 

 treasurer, librarian and curators; Boston, 1865-1866, 2 

 broch. in-8''. 



The Journal of the Linnean Society of London, vol. IX, 

 n°« 58 et 59. 



Giornale di scienze naturali ed economiche; vol. III, fasc. 

 I, II et III, Palcrme, 1867. 



Bulletins de U Académie royale des Sciences, des Lettres et des 

 Beaux-Arts de Belgique, t. 24, n°* 9 et 10. 



L'Amico dei campi ; 1867, n° 8. 



