502 FOURTH BULLETIN OF NATIONAL INSTITUTE. 



Meteorological, &c., Tables, &c. — From Governor Reid, of Ber- 

 muda. 



Physiological Essay on the Thymus Gland, by Jno. Simon, F, R. 

 S. , London, 1845, quarto. — Comparative Anatomy of the Thy- 

 roid Gland, by the same, 1844, quarto. — From the Author. 



Jardin de St. Petersbourg, 184o. — Sertum Petropolitanum, seu 

 Icones et Descriptiones Plantarum, quae in horto botanico Imperial! 

 Petropolitano, floruerunt, 1846 — Auctoribus F. E. L. Fischer et 

 C. A. Meyer, folio, (to be transmitted as published.) — From 

 Professor Fischer. 



Annals of the Lyceum of Natural History of New York, vol. IV, 

 Nos. 6, 7. — From the Lyceum. 



Two packages, containing books and seeds. — From the Imperial 

 Botanical Society of St. Petersburg, Professor Fischer, by the 

 hands of J. Slocum, of Syracuse, New York. 



