Meteorological Observations. 159 



ffinia. — It occurs about twenty feet in thickness, beneath Richmond, 

 and is found to be filled with new and highly interesting forms of 

 marine siliceous Infusoria. — Silliman's Journal, July 1841. 



Mr. R. C. Taylor's Model of the Southern Coal-Field of Pennsyl- 

 vania. — At the Second Annual Meeting of American Geologists, held 

 in April last, Mr. Richard Cowling Taylor, F.G.S., exhibited a highly 

 interesting model in plaster of the Dauphin and Lebanon coal region, 

 embracing altogether an area of seven hundred and twenty square 

 miles, showing the range of the mountain elevations, with their re- 

 lative height and position ; also their elevation above tide level ; the 

 dii3 of the rocks, the position of the coal-seams, and much other 

 useful information. 



Mr. Taylor accompanied this exhibition with remarks explanatory 

 and statistical in relation to this coal region, and made some obser- 

 vations on the importance of this mode of exhibiting the geological 

 features of a country, expressing the hope that the day would come 

 when models of this "kind, representing the several states, and even 

 the whole United States, shall be constructed. He also enlarged 

 upon the propriety of following as closely as possible the actual con- 

 formation of the countr}'^ in drawing sections, and of adopting uni- 

 form modes of illustration by colours, &c., and the importance of an 

 equal scale of extension and elevation as far as practicable in such 

 sections. — From Silliman's Journal, July number, where the remarks 

 ai'e published entire, with a coloured section. 



METEOROLOGICAL OBSERVATIOXS FOR AUG. 1841. 



Chiswick. — August 1. Slight rain : cloudy and fine. 2. Fine with clouds : rain. 

 3. Hazy: cloudy and mild ; rain. 4. Cloudy and fine. 5. Fine: slight rain. 

 6, 7. Fine. 8. Rain : cloudy and fine. 9. Very fine. 10. Very fine : rain. 



11. Stormy and wet. 12. Fine. 13. Cloudy. 14. Rain: showery: clear at 

 night, 15 — 17. Cloudy and fine. 18. Hazy: fine. 19, 20. Very fine. 21. 

 Cloudy. 22. Cloudy : slight rain. 2.3. Rain : cloudy and fine. 24. Showery : 

 clear. 25. Drizzly. 26. Hazy and mild. 27. Heavy dew : cloudy and hot. 

 28 — 30. Foggy in the mornings : very fine : evenings clear, 31. Overcast and 

 fine. 



Boston. — August 1. Fine: rain p.m. 2, Fine. 3. Cloudy: rain p,m, 4. Fine: 

 rain early a.m. 5. Cloudy : rain p.m. 6. Cloudy and stormy. 7. Cloudy : rain 

 P.M. 8,9. Cloudy. 10. Fine. 11. Cloudy: rain early a.m. : rain p.m. 12 

 Stormy. 13. Cloudy. 14. Cloudy: rain early a.m. 15, 16". Cloudy. 17. 

 Fine: rain p.m. 18, 19. Fine. 20. Fine: thermometer 77° half-past two p.m. 

 21. F'ine : rain a.m. 22. Fine. 23, 24. Fine: rain early a.m. 25. Rain: 

 rain early A.M. 2G. Cloudy : thermometer 75° three-quarters past two p.m. 27. 

 Fine : thermometer 75° quarter-past eleven a.m. 28, 29. Fine. 30, 31. Cloudy, 



Apjilegarth Aliinse, Dumfries-shire. — August 1. Fair, but cool and cloud\-, 

 2, Fair and fine. 3. Wet a.m.: cleared and was fine, 4. Fair and fine, 5. 

 Rain all day. 6. Wet a.m. : cleared and was fine, 7, Wet, slightly, 8, Fine 

 though showery: thunder. 9. Wet a.m.: became fine, 10. Showery. 11. F'air. 



12, Showery all day. 13, Partial showers. 14. Wet a.m. : became fine. 15. 

 Fine till p.m.: then rain. 16. Wet a.m. : cleared p.m. 17. Fair throughout, 

 IS, Fair A.M. : wet p.m. 19. Fair and warm: air electrical. 20. Wet nearly 

 all day : thunder. 21. Wet p.m. : flood, 22. Fine and fair. 23. Occasional 

 slight showers. 24, Wet p.m. and evening : thunder. 25, Showery, 2G, Rain 

 early A.M. : cleared, 27. I-'ine: one shower a. si. 28. Wet morning: cleared. 

 29. Fine hut cloudy. 30. Wet all day. 31. Fair and fine. 



