INDEX. 



471 



tification of, 70 ; on the pith of, 77 ; 

 comparison of the structure of succu- 

 lent, with the Sigillariae, 214 ; new Bra- 

 zilian, 254, 330 ; British, notices re- 

 specting, 272 ; action of frost on, 358 ; 

 on the morphology of the ascidia of, 

 305,411. 



Poa, characters of a new species of, 119. 



Pollen, on the structure and functions of, 

 127. 



Polycarpaea, on some species of, 90. 



Polygonum tinctorium, on the formation 

 of indigo in, 282. 



Polypidoms, on the nature of, 214. 



Polyporus, new exotic species of, 284 ; 

 new species of, 382. 



Polyps, on some new genera of, 47. 



Primula elatior, notice respecting, 124. 



Pritchard and Goring's Microscopic Illus- 

 trations, noticed, 192. 



Queckett, E. J., on the anatomical and 

 physiological nature of ergot in cer- 

 tain Grasses, 54. 



Ranunculus aquatilis, ohservations on, 

 225. 



Reichenhach's Icones Florae Germanicae, 

 noticed, 257. 



Reptiles, on new species of, 68 ; on the 

 structure of the scales of, 463. 



Rhine, on the Goniatites found in the 

 transition formations of the, 9, 155. 



Robertson, Capt., notice respecting the 

 Peregrine Falcon, 135. 



Royal Irish Academy, proceedings of, 60, 

 270. 



Rubiaceae, new genera of, 20. 



Rudge, E., on Cereus tetragonus, 57. 



Schizostigma, description of the genus, 

 20. 



Schleiden, Dr., on the development of 

 the Leguminosae, 402. 



Schomburgk, H., descriptions of the plants 

 collected by, 427. 



Sciurus, on some new American species 

 of, 275. 



Selby, P. J., on the Fauna of Twizell, 

 361. 



Selenis, characters of the new genus, 96. 



Sepiola, on a new species of, 357. 



Serpents, notice of a new genus of, 131 ; 

 observations on marine, 137. 



Sheep, habits of the Burrhal, 136. 



Shell, fossil, new species of, 283. 



Shells, notices respecting, 240. 



Shropshire, on the Fauna of, 24. 



Shuckard's (W.E.) British Coleoptera de- 

 lineated, noticed, 287. 



Sigillaria3, on the structure of the, 214. 



Snakes, description of some new species 

 of, 201. 



Sphaeria, new species of, 397. 



Spongilla fluviatiUs, on the vegetable na- 

 ture of, 58, 458, 



Starch, notice respecting its occurrence 

 in the vegetable kingdom, 165. 



Steven's (M.) Pines of the Caucasus, re- 

 \iewed, 336. 



Sykes, Lieut.-CoL, on three digitigrade 

 Garni vora, 348 ; description of the new 

 genus Londra, 352. 



Syngnathus, observations on the genus, 

 69 ; remarks on some species of, 81. 



Tarsius spectrum, curious habits of the, 

 67. 



Tauroma, characters of the new genus, 

 97. 



Taylor's (H.) Beekeeper's Manual, no- 

 ticed, 121. 



Taylor, R., on the Wild Cattle of Great 

 Britain, 356. 



Tephrosia, descriptions of some new spe- 

 cies of, 431. 



Testicularia, observations on the genus, 

 400. 



Thelephora, description of new species of, 

 395. 



Thompson, Wm., on a new species of 

 Lepadogaster, 34 ; on Gobius minutus 

 and Cyclopterus minutus, considered 

 as the young of Cycl. lumpus, 38 ; on 

 the migrations of the Snowy Owl, 

 107; on the effects of the hurricane of 

 Jan. 7, 1839, on some birds, fishes, &c., 

 183. 



Thylacotherium Prevostii, on the jaws of, 

 61. 



Torrey and Gray's Flora of North Ameri- 

 ca, reviewed, 50. 



Tweedside Physical and Antiquarian So- 

 ciety, proceedings of the, 354. 



Tyre, on the purple dye of, 271. 



Valentine, W., on the structure and de- 

 velopment of the reproductive organs 

 of Pilularia globulifera, 260; on the 

 development of thecae, and on the 

 sexes of Mosses, 456. 



Vanbeneben, M., on a new species of Se- 

 piola, 357. 



Vanilla, on the production of, in Europe, 

 1 ; anecdote respecting the migration of 

 the plant producing, 5. 



Varanus, new species of, 69. 



Vateria, observations on the genus, 155. 



Vespertilio, on a new species of, 73. 



Vochysiaceae, notice respecting the, 333. 



Vogel, Dr., on the development of the 

 Leguminosae, 462. 



Volvocinae, on the structure of the, 461. 



Wagner, Dr., on rabies in dogs, oxen, &c., 

 190. 



Wales, North, on the Fauna of, 24. 



Walker, F., on the British Chalcidites, 

 177,415. 



Warren's (E. A.) botanical chart, noticed, 

 121. 



Waterhouse, Mr., on a new species of 



