574 



INDEX. 

 Page 



Page 



■piles, Goldfuss, Professor, 



^ . . cnr His ' Pterodactylus Crassirostris,' a 



Remedy against SJb newspecies 335 



Flowers, The tliird prt of his ' Petrefacta 



Experiment on their colours 71 Musci Bonensis,' 527 



Fluids, Green, Jacob, M. D. 



Penetrativeness of 238 Synopsis of the Trilobites of North 



Formicological Waterloo, America 558 



Account of 330 Hall, W., 



Fossils On a new mode of propelbng vessels 325 



Mr! Taylor's Cabinet for sale ..... 239 Harlan, Dr. Richard, 



Fossil remain<! Tour to the caves of Virginia 58 



Found in ^Anne Arundle county, Visit to Mr. Madison at Montpelier 60 



Maryland 114 Neglected sepulchre ol Mr. Jeffer- 



Found in France 331 son...... -• ■ '7 ' "A";.; 



Of a Mastodon found in Tennessee, 565 Tnlobitcs and aramomtes found in 



p .„, pi-_t the Massonetto ridge bJ 



foster, oapi.. Description of the 'Megalonyx la- 



DrovvTied at Panama 46 ^^^^^^^.^ ^. ........ 74 



Frogs, Experiments with the rattlesnake. 94 



Winter quarters of 3J.J q^ ,)^g effects of various poisons on 



Mode in which they take their ^ living vegetables 124 



food •.••■;. "^ Description of a new species of bat, 



Fucoides Brongniartii, 'VespertilioAuduboni'— plate VI. ... 217 



A new extinci fossil species 307 On a new species of extinct fossil 



Geology, vegetablesof the family Fucoides 307 



Of Barbary 273 Experiment with phosphorus on a 



On the crust'of the earth 289 cat 423 



On the order of succession of roclis Description of a new species ot 



composing the crust of the earth 337 quadruped of the genus arvicola, ' ar- 



Ofthe site of Philadelphia 363 vicola nultali' .-.. 44b 



On the constituent minerals and _ Observations on the anatomy ot the 



structure of the primary rocks 385 sloth 48tf 



Of Nova Scotia 431 Hay, Drumniond, Esq. 



Of the Alleghany mountain 433 Services rendered to Natural His- 



On mineral and metallic veins 481 toiy by him 527 



Ofthe vicinity of Philadelphia ^1' Hays, Dr. Isaac, 



Of Bradford county. Pa 519 Exposure of his conduct 140 



Of Wayne county. Pa 520 jj^^j^ ^^^ Electricity, 



Geological knowledge. Thoughts upon theirnature 367 



On the causes which retard It ^96 pjgj.g^jjj,jj^ gj^ j^jj^ Frederick 



Geological Society of London, William 



Biennial election of their President 45 preliminary discourse on the study 



Commumcation of he.r Pres'dent, „f Natural pLlosophy 48 



and other naturahsts, to the Editor... Ii5 „ ^J ^ .jj 



Reading of Mr. Clift's memoir on tt..„„ 



the megatherium of Buenos Ayres... 570 norse, j.,„,„r 9V, 



Geological Society of Pennsylvania, ^ Remarkable conduct of. 2.% 



Election of Officers for 1832, their Icebergs, 



Circular and Queries 425 In low latitudes 323 



Abstract of their proceeduigs 51 < Ichthyosaurus, 



Genesis, Newspeciesof 330 



Observations upon its true construe- Illinois, 



^ion 7 Notes on 186 



Gibbons. Dr. Henry, Insects, 



His meteorological observations Combat between a spider aifl a 



made at Wilmington, Del 221 lightning bug.. 93 



Do continued 28( Easy method of destroying them.. . 191 



Do do 32-2 Introduction 1 



Do do C'"r" ^"" Jack-son and Alger, 



General review ofthe weather tor rj,,^^,-^ mineralogy and geology of 



theyearl831 • •• •*" Nova Scotia 431 



General summary for each montli j , r)nrv 



°r'831, andfor the whole year, and "'"""origir/of the name of this fish 432 



also for 1H30 •''^' ,, '^ 



Meteorological Observations conlm- IVarsten, , . ,. 



yp^ 480 Translation of his mmcralogiral ta- 



Do!.!.!.!!co'ntin,ieir. !'..". 524l bles, by Del Rio 70 



