/p 576 



Index. 



Page] 



Page 



499 



332 



Pterodactylus Crassirostris, iSloth, 



A neNv species of . 335 . Observations-on the anatomy of , 



Rabenstein, Castle of, Smith, WiUiatii, 



Strange preparations to receive a , Receives the Wollaston medal 20 



royal naturalist. 92 goakes, '•■■ 



Raffles, sir btarnford, | .,■ i,, the water, anecdotes of 237 



Anecdote in the memoirs of 92 Sparrow 



Rafinesque, Professor, I Maternal tenderness of. 237 



His Geom)-s bursarius 190 Teleo Saurus. 



His continuation of a monograph of 

 the bivalve shells of the river Ohio,&c. 328 

 His visit to Big bone lick, in 1821 . . 355 

 His monograph of the bivalve shells 

 of the Ohio, translated by C. A. Poul- 



son 370 



Re\-iew of his Atlantic Journal 508 



Rattle Snake, petrified, 



When first created ! . . 



Its habit of climbing 221 



Dr. Harlan's experiment with 94 



Reviews, 



M'Murtrie's translation of the 1st 



Vol. Regne Animal 447 



Audubon's Birds of America, and 



Ornithological Biography 456 



Rafinesque's Atlantic Journal 508 



Isaac Lea on the Naiades 537 



M'Murtrie's translation of the 2d 



Vol. of Cuvier's Regne Animal 549 



Rhinoceroides Alleghaniensis. 



Platel 10 



Rionium, 



Proposed name for professor Del 



Rio's new metal 69 



Discovery of in Scotland 232 



Scientific meetings. 



In Hamburgh and other parts of Ger- 

 many 280 



At York in England 468 



At O-xford, do 571 



Scientific publications. 



Summary of in civilized Countries 403 

 Sedgewick,' Rev. Adam, 



Delivers the Wollaston medal, to 



William Smith 29 



Short, Dr. C. W. and H. H. Eaton, 

 Their notices of western botany and 



conchology 370 



Silliman, Professor, 



His opinions and slatenients on the 



fierce of vapour, challenged 182 



_ Takes up the gaiinllct for Amos 

 Eaton ; remarks of the Editor there- 

 upon <)] 



His puffing of M'Murlrie's trans- 

 lation, severely remarked upon 455 



I>o. do. do 650 



Do. do. do 558 



Skeletons of small animals. 



How to obtain them 239 



Account of. 

 Tables, 



For converting French toises and 

 metres inio English feet, and the con- 



'rarv 319 



Tabular view, 



Of the known rocks of the crust of 



the earth 333 



Tadpole, 



Retains the character of the adult 



frog 334 



Taylor, R. C. 



Oflers a valuable cabinet of tertiary 



and oilier fossils for sale 839 



His Section of the Alleghany Moun- 

 'ain, and Moshannon valley, in Cen- 

 tre County, Penn 433 



Torrey, Professor, 



His edition of Lindley's new work, 



on the natural orders of plants 48 



Trilobites, 



Synopsis of the North American.. 558 

 Turton, Dr. 



Manual of the land, and fresh wa- 

 ter shells of the British Islands 528 



Tyran purple dye, 525 



Vapour, 



On the force of. 181 



Vespertilio Auduboni, 



A new species of bat.— plate 6. . . 217 

 Virginia, 



Tour to the caves of 58 



Volcano, 



In the Mediterranean 229 



Do. do 314 



Do- do 431 



Wayne County, Pennsyhania, 



On the geology of. , 520 



Weeds, 



How to destroy them in garden walks 235 

 Wetherill, J. P. 



Simple means adopted hy. hinv' to 

 generate steam by Anthracite Coal... 

 Wheat, ^ 



Convertibility into Cheat or Chess 

 Wollaston Medal, 



Adjudication of, to Wm. Smith.. . 

 Zoological Knowledge, 



On the causes which retard it 301 



72 



561 



29 



10 Aua-iss? 



