INDEX. 



573 



Coal, Anthracite, 



Applied to generate steam power. . 72 

 Coal, Bituminous, 



Extensive field in Center county, 



Pennsylvania 436 



Collin, Nicholas, D. D. 



Obituary notice of 



Collins, Zaccheus, 



Do, do 227 



Conrad, Solomon W. 



Do, do 228 



Conybeare and Philips, 



A continuation of iheir ' outlines,' 

 proposed by Messrs. Conybeare and 



Sedgewick 327 



Cooper, Wm. 



His denial of an assertion in Silli- 



man's Journal 54 



His notices of big bone lick, — pi. V. 158 



Do. do. continued .... 205 



Coxe, Dr. J. R. 



On the modus operandi of Phospho- 

 rus on the living system 490 



Crab, common. 



On the metamorphosis of its young 179 

 Croghan, Col. 



Journal of his adventures on the 



Ohio, in 1763 257 



Dahlias, 



New method of multiply mg them.. 235 

 Davis, Jacob P. 



On the geology of Wayne county, 



Pemasylvania 520 



De la Beche, 



Second edition of his geological 



manual 527 



Delaware breakwater, 



Specific gravities of the rocks used 



in its construction 312 



Del Rio, Professor, 



Discovery in 1802 of a new metal, 

 subsequently found in Sweden, and 

 called there provisionally Vana- 

 dium 69 



His communication on the brown 



lead ore of Zimapan 438 



Delta, 



Of Oroonoko and Maragnon 381 



Desert between Cairo and Suez, 

 Account of successful operations to 



find water in it 516 



Deserts, 



Exemption of the U. States from. . . 76 

 Dickson, James, 



On the Silver, Gold and Platina of 



Russia 118 



Discharge of a bullet from a gun 



How to prevent it by the finger. . . 238 

 Eaton, Amos, 



His extravagant self-degradation.. 83 

 The confusion he has introduced 



into American geology 8G 



His singular mistake in supposing 

 that all the British rocks existed in the 

 State of New York, and adopting 



Pa<je 

 oolitic terms, such as Lias, for the 

 rocks of a countrj', where no member 

 of the Oolitic System has hitherto 

 been found 87 



His great discovery of the period 

 when petrified rattlesnakes were 

 made 89 



The escape of his Aniediluvial 

 Mastodon, tuielve feel high, from the 

 mouth of the Cave of Kirkdale, two 



feel wide 89 



Eagle and Weasel, 



Anecdote of 332 



Elephants, Rhinoceros, &c. 



Account of frozen herds of 191 



Featherstonhaugh, G. W. 



Letter to the Rev. Dr. Buckland, on 

 the Rhinoceroides AUeghaniensis — 

 plate 1 10 



On the ancient drainage of North 

 America, and the origin of the cata- 

 ract of Niagara — plate II 13 



Epitome of the progress of Natural 

 Science 49 



Do do continued, 97 



On the value of geological informa- 

 tion to Engineers, and on the inequal- 

 ities of the earth's surface, and their 

 true level above tide water — plate IV. 128 



Epitome of the progress of Natural 

 Science continued 145 



Do continued 193 



Do continued 211 



On the crust of the earth 2H9 



General remarks on the constituents 

 of the primary rocks 308 



On the order of succession of rocks 

 composing the crust of the earth .... 337 



Remarks on the origin of the natural 

 tminel in Scott county, Va. — plate X. 3;)2 



On the constituent minerals and 

 structure of the primary rocks 385 



On the comparative encouragement 

 given to the study of Natural History 

 in Europe and North America 311 



Remarks on the Natural Bridge in 

 Rockbridge county, Virginia — pi. XII. 414 



Comparative view of the Linnean 

 and Natural Systems of Botany 416 



Remarks upon the claims of Profes- 

 sor Del Rio to the discovery uf a new 

 metal in the brown lead ore of Zim.a- 



pan. 



440 



Review of Audubon's Birds of Ame- 

 rica, and ' Ornithological Biography,' 456 



Account of the meeting at York of 

 British Association for the advance- 

 ment of Science 4o8 



On Mineral and JMetallic Veins — 

 Plate XIII 481 



Review of Rafinesque's Atlantic 

 Journal 608 



Convertibility of wheat into cheat 



or chess 561 



Firemen, 



How to protect them 235 



Fishes, 



Tlieircry 191 



