736 
LIVRES REÇUS. 
Séance du 21 décembre 1870. 
American philosophical society. — Proceedings, n os 82 et 83. 
American association for the avancement of science. — Procee¬ 
dings, Chicago Meeting, 1868. 
Society of natural history of Boston. — Proceedings 1869. 
Lyceum natural history of New-York. — Annals 1869-1870, pa¬ 
ges 141 à 312. 
Essex Institute. — Proceedings, vol. VI, part. I. 1868. 
Id. — Bulletin, vol. I, 1-12. 
ld. — Historical notice. — Act of incorporation. 
Academy ofnat. sc. of Philadelphia. — Proceedings, n os 1-6.1868. 
Smitsonian Institution. — The orbit and phenomena of a Meteoric 
fire-ball. J.-H. Coffin. 
ld. — The transatlantic longitude. B.-A. Gould. 
Id. — The gray substance of the Medulla oblongata and trapezium. 
J. Dean. 
Id. — Annual Déport for the year 1868. 
Departement of agricult. of Washington. — Annual Report 1868. 
Geological society of London. — Quarterly Journal, n° 104. 
Société florimontane d'Annecy. — Revue savoisienne, n° 12. 
A.-A. Gould. — Invertebrata of Massachussetts. Boston 1870. 
J.-M. Toner. — Anniversary oration delivred before the Medical 
society of the dist. of Columbia. 1866. 
J.-A. Lapham. — New geological map of Wisconsin. 1869. 
J.-A. Allen. — Mammalia of Massachusetts. (Bulletin of the Mu¬ 
séum of comparative zoology, n° 8.) 
A. Agassiz, Th. Lyman and L.-F. de Pourtalès. — Contributions 
to the fauna of the Gulf-Stream at great depths : Echinoderms. 
Gust. Hinrichs. — Grundriss der Atomechanik mit induktiven Stu- 
dien iiber die Einheit der Materie. 
Id. — On the spectra and composition of the éléments. 
Id. — On the distribution of the dark lines in the spectra of the 
éléments. 
Id. — Contributions to Molecular science, or atomechanics. 
Id. — The lilies of the fields, of the rocks, and of the clouds, a 
few remarcks on the Resemblance between the Flowers and the 
Crystals. 
