CONTENTS. 



23, 23. Principles of Statistical Inquiry, as illustrated in propo- 



sals for uniting an examination into the resources of the 

 United States, with the census to be taken in 1840 — Jour- 

 nal of the Academy of Natural Sciences of Philadelphia, 395 



24. Transactions of the Society instituted at London for the en- 



couragement of Arts, Manufactures, and Commerce, . 397 



25. A System of Practical Medicine, ..... 398 



26, 27, 28. Lycopodium — The burning of Monkton Pond, Vt. — 



Bone Cavern, ......... 399 



29. Case of Transpiration of half the body, .... 400 



ERRATUM. 

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