CONTENTS. 



Page. 



11, 12. Volborlhite, a new mineral — Reclamation of M. A. 



Warder, 187 



13. Quantity of Salt in sea water, 188 



14. Head of the Mastodon giganteum, 189 



15. Notice of the use of the fumes of Nitric Acid in Pulmonary 



diseases, .--- 191 



16. Greece. — Revival of Letters, 192 



17. Tongueless Dog retaining the power of barking, - - 194 



18. 19, 20, 21. Officers of the New York Lyceum of Natural 



History, elected February 25th, 1839 — Royal Society of 

 London ; honor to an eminent scientific artist — Progress 

 of the U. S. Exploring Expedition — Prof. J. W. Webster's 

 Manual of Chemistry, new edition, . . - - 195 



22. Notice of a new mode of preparing Fish Skins for Museums, 196 



23. An Elementary Treatise on Astronomy, - - - - 197 



24. 25. Postcript to p. 71— The Mammoth, - - ^ - - 198 

 26, 27. Discovery of Mummies at Durango, Mexico— Parallax 



of the star 61 Cygni, - 200 



28, 29. Ornithology of the United States — Third American 



from the fifth English edition of Bakewell's Geology, - 201 



30. Chemistry of Organic Bodies and Vegetables, - - - 202 



31, 32. Olmsted's Introduction to Astronomy — Temperature 



of the Earth, - 203 



33. Subterranean Temperature, - 204 



34. Extract of a letter from M. Erdman, jun., to M. Arago, upon 



the Temperature of the Ground in Siberia, - - - 205 



35. Analogy between the organic structure and red color of the 



globules in the blood of animals, and of those red vegeta- 

 ble globules named Protococcus kermesinus, - - - 206 



36. Cause of the Red Color of Agates, 207 



37. Phosphorescence of the Ocean, 208 



38. On the Composition of a new Indelible Ink, - - - 209 



39. Depth of the Frozen Ground in Siberia, - - - - 210 



40. Notice of a Chemical Examination of a Specimen of Native 



Iron, from the east bank of the Great Fish River, in South 

 Africa, -_--_---- 213 



41. Dr. Bowditch, - - 214 



To our Subscribers and Readers, - 216 



