VI CONTENTS. 



Page. 



XII. Analyses of Chabasie, ...... 366 



XIV. On the Origin of Shooting Stars, . . . .369 



MISCELLANIES. FOREIGN AND DOMESTIC. 



Natural Philosophy. 



1. Atmospherical electricity, 376 



2. Effect of sound on the barometer, . . . . • 377 



Chemistry. 



1. Phloridzine, a new organic substance, .... 377 



2. Gastric Juice, 378 



3. Thebaine, a new alkali in Opium, . . . . . 379 



Geology and Mineralogy. 



1. Subsidence of the coast of Greenland, .... 379 



2. Dreelite, a new mineral species, ..... 380 



3. 4. Albite of Chesterfield — Analysis of Tabasheer from India, 381 

 5. Corals and Entomostraca in chalk, . . . . . 382 



Miscellaneous Intelligence. 



1, 2, 3, 4. Sopra i Vulcani estinti del Val di Noto — Vibration of 

 Railways — Geological Society of London — New Scientific 

 Journal, 382 



5. Fertilizing properties of limestone, ..... 383 



6. Observations on the Reply of Prof. Shepard, . . . 384 



7. Notice of a large crystal of Columbite, .... 387 



8. New species of Argulus, ...... 388 



9. Annual Report of the Regents of the University of the State 



of New York, 389 



10. Third Geological Report to the 21st General Assembly of the 



State of Tennessee, . . . . . . . 391 



11. Report on the new map of Maryland, .... 393 



12. Remarks on the geological features of Ohio, . . . 394 



13. 14. Note by Dr. S. P. Hildreth, on the Lias of the West- 



Transactions of the Maryland Academy of Science and Lite- 

 rature, 395 



15, 16, l7. Elements of Botany — New medical work — Notice of 



Dr. Hildreth's article on the coal deposits of the Ohio, &c. 399 



