INDEX. 



421 



Pteris aquilina, occurrence in certain 



parts of Ireland, 19, 66, 68, 75, 118, 



175, 178; notes upon, 242. 

 Quadrumana, 106. 

 Quercus sempervirens, 177. 

 Rachidion obesum, described, 195. 

 Redunca fulvo-rufula, observations upon, 



85 ; Red. isahellina, observations upon, 



85. 

 Reptiles, remarks on the teeth of, from 



the Tilgate Grit of Battle and St. Leo- 

 nard's, 87. 

 Rhus typhina, 217 ; Rh. glabra, 217. 

 Rodents, fossil species of, found in Brazil, 



54, 307. 

 Rubus, 217. 

 Rubus odoratus, 217. 

 Ruminantia, fossil remains of, in Brazil, 



251. 

 Ruminants, s^Qcies of, in Brazil, 105. 

 Salmon, observations on the young of, 161. 

 Sambucus rubens, 217. 

 Sanguinolaria Hollowaysii, occurrence of, 



in the London clay formation at Brackle- 



sham Bay, 25. 

 Scolopendrium vulgare, occurrence of in 



certain parts of Ireland, 19, 21, 67, 69, 



75, 118, 175, 178. 

 Sedum Anglicum, occurrence of in certain 



parts of Ireland, 177. 

 Shells, fossil species of the crag, 230, 294. 

 Sibthorpia Europaa, occurrence of in cer- 

 tain parts of Ireland, 67. 

 Silene maritima, occurrence of in certain 



parts of Ireland, 65. 

 Silphomorpha, observations upon this 



genus, 365. 

 Silphomorpha maculcta, description of, 365. 

 Simiee, fossil species of this tribe found in 



Brazil, 315. 

 Siphonia fusiformis, a new species found 



in the Yorkshire chalk, 46. 

 Sloths, fossil remains of, in Brazil, 156. 

 Solidungula, two species of, represented 



on the mosaic of Palestrina, 369. 

 Sorex fodiens, habits of, 149. 

 Sponge, action of light upon the river 



species {Spongilla fluviatilis), 259. 

 Spontaneous generation, remarks upon, 



280, 339. 

 Sterna, and Larus, habits of the different 



species of, 47. 

 Streptopus roseus, 217. 

 Struthiopteris Pennsylvanica, 216. 



Tapoa Tafa, is the Phasgocale penicillata, 

 299. 



Tardigrada, fossil remains of this group 

 in Brazil, 156. 



Taxus Canadensis, 216. 



Teeth, Mr. Owen's observations on the 

 application of microscopic examinations 

 of the structure of, to the determination 

 of fossil remains, 151. 



Telephori, notes on, 133. 



Telephorus ater, notes on, 133, 135 ; Telep. 

 flavilabris, notes on, 133, 135. 



Testudo Caretta, occurrence of, on the 

 coast of Devonshire, 136. 



Tetrax campestris, occurrence of, in De- 

 vonshire, 47. 



Thuja occidentalis, 216. 



Tiarella cordifolia, 217. 



Tilia Americana, 217. 



Toad, habits of, its change of skin, &c., 

 103. 



Turritella conoidea, occurrence of, in the 

 London clay formation at Bracklesham 

 Bay, 25 ; Turrit, edita, occurrence of, 

 in the London clay formation at Brackle- 

 sham Bay, 25. 



Trichomanes speciosum, occurrence of in 

 certain parts of Ireland, 68, 74, 75. 



Trillia, 217. 



Trilobites, occurrence of, in the limestone 

 at Trenton in the United States, 216. 



Uvulari(B,2\1, 



Vanessa urticcB, notice of a curious variety 

 of, 368. 



Vegetable Physiology, Progress of, by 

 Prof. Meyen, 408. 



Venericardia acuticostata, occurrence of, in 

 the London clay formation at Brackle- 

 sham Bay, 25 ; Vener. mitis, occurrence 

 of, in the London clay formation at 

 Bracklesham Bay, 25 ; planicosta, oc- 

 currence of, in the London clay forma- 

 tion at Bracklesham Bay, 24, 25. 



Vespertilio, occurrence of, in certain caves 

 in Brazil, 53. 



Viburnum, 217. 



Vicia cracca, occurrence of in certain 

 parts of Ireland, 17. 



Violee, 217. 



Water-Shrew, habits of, 149. 



Wellington Valley, New Holland, caves 

 of, the resemblance of the soil which 

 fills these caves and those of Brazil, 385. 



White zebra, observations upon, 85. 



i^ND OF THE FOURTH VOLUME, 



