( 447 ) 



Boston Society of natiiral history. — Memoirs, vol. II, 

 part II, n"' 2-5. Boston, 1872; 2 cah. in-4°; — Proceedings, 

 vol. XIV, part II , vol. XV, parts I-II. Boston , \ 872-1 873 ; 4 cah. 

 in-8°. 



Americati Academy of arts and sciences. — Memoirs, new 

 séries, vol. IX, part II. Cambridge, 1875; in-4''; — Proceedings, 

 vol. VIII, pp. 409-504. Cambridge, 1875; in-8°. 



Muséum of comparative zôology, at Harvard Collège, Cam- 

 bridge (E. U.). — lUustrated catalogue, n"' 4, 5, 6. Cambridge, 

 1872; 5 cah. in-4''; — Annual report of the trustées, 1871. 

 Cambridge, 1872; in-8°. 



American Association for the advancement of science. — 

 Proceedings : XX. meeting held al Indianapolis, Indiana, Au- 

 gust, 1871. Cambridge; 1872; vol. in-S"; — XXI. meeting held 

 at Dubuque, lowa, August, 1872. Cambridge, 1875; in-8^ 



Ohio ackerbau bericht, 1871. Columbus; vol. in-8°. 



Hinrichs (Gustave). - Contributions to molecular science, 

 oratomechanics, 1869, n°^ 5, 4; — The mcthod of quantitative 

 induction in physical science; — The scîiool laboratory of phy- 

 sical science, vol. I, n"^ 1-4; vol. H, n°^ 1-4; — The princi- 

 ples of pure crystallography ; — Biographical sketch of 

 W. von Haidinger. Davenport (lowa); broch. in-S". 



Geological Survey of Indiana. - Third and fourlh annual 

 reports, Years 1870 and 1872, by E. T . Cox. Indianapolis, 

 1872; vol. in-8° avec cartes. 



Wisconsin Academy of sciences, arts j and letlers at Madi- 

 son. — Transactions, 1870-72. Madison, 1875; in-8°. 



Minnesota Academy of natural sciences. - Constitution 

 and by-laws. Minneapolis, 1875; in-8''. 



The american journal of science and art$ , third séries , 

 vol. XI, n°« 51 , 52. New-Haven, 1 875 ; 2 cah. in-8°. 



Academy of natural sciences of Philadelphîa. — Procee- 

 dings, parts I, II, III (January-September 1872). Philadelphie, 

 5 cah. in-8''. 



The Penn Monthly , vol. IV, n" 44. Philadelphie; in-8°. 



