VI 



CONTENTS. 



Thoughts in relation to the Questions on the 

 Mode of Origin of Song in Birds (111. 14-». 

 447. ; IV. 4m j VII. 24y. 484.). By W. H. H. 



567 



Facts on Humming. Birds, their Food, the Man- 

 ner in which they take it, and on their Habits ; 

 with Directions for preserving the Eggs of 

 Humming Birds, and the Forms of the Bodies 

 of Spiders, and Pupje and Larvae of Insects. 

 By the late Kev. Lansdown Guilding, B. A. 

 F.L.S. &c. - - - 569 



The Accumulation of all possible Information 

 respecting the Habits of the Rock Birds of 

 Britain, by the Cooperative Agency of Natu- 

 ralists residing near Headlands on the Coasts, 

 suggested. By J. D. Salmon, Esq. - 573 



On the Habits and Note of the Grey "Wagtail, 

 and on the Note of the Spring Wagtail. By 

 T. G., of Clitheroe, Lancashire - - 577 



Notes on Luminous Insects, chiefly of the West 

 Indies ; on Luminous Meteois ; on Ignes 

 Fatui ; on the Luminousness of the Sea; and 



i on the Powers possessed by the Races of 

 Lizards, of voluntarily changing their Colour : 

 with other Information on the Habits of 

 Lizards. By the late Rev. Lansdown Guild- 

 ing, B.A. F.L.S. &c. - - -579 



Observations on some of the Diseases in Poultry. 

 By J. M. Coby, Esq., Member of the Royal 



. College of Surgeons in London, of the Provin- 

 cial Medical and Surgical Association, of the 



' Medical and Philosophical Society of London, 

 &c. - - - - 630 



Information on the Habits of a Species of Capri- 

 mulgus (or of some closely allied Genus) which 



i inhabits the Neighbourhood of Lima. By 

 Mr. Andrew Mathews, A.L.S., Travelling 

 Collector of Natural Productions in South 

 America - » - - 633 



Reasons in support of an Opinion advanced that 

 the Mackerel is not a Migratory Species of 

 Fish. By O. - - - 637 



BOTANY. 



On the Altitude of the Habitats of Plants in 

 Cumberland, with Localities of the rarer 

 Mountain Species. By Mr. Hewett Watson 20 



A brief Notice of several Species of Epiphyl- 

 lous Fungi which have been observed in the 

 Neighbourhood of Oxford, and have not been 

 hitherto generally known to occur in Britain. 

 By Mr. William Baxter, A.L.S., Curator of 

 the Botanic Garden at Oxford - - 24 



A Description of a Mode, practised by M. 

 Klotzscn, of drying Specimens of Fungi for 

 preservation in Herbariums. By William 

 Christy, jun. Esq. F.LS. &c. &c. - 131 



On the supposed generic Distinction of .Ra- 

 nunculus Fic^ria of Linn6. By Charles C 

 Babington, M.A. F.L.S. &c. - - 375 



In'brmation on the Habitat of C^rex heleonas- 

 tes Ehrhart in Switzerland, and on the Cir- 

 cumstances connected with the Discovery and 

 Identification of this Species ; with like In- 

 formation on the Carex Gaudin/dna Hoppe. 

 By J. P. Brown, Esq., Thun, Canton of Berne, 

 Switzerland - - - 499 



GEOLOGY. 



A Description of a Fossil Vegetable of the 

 Family Fuc6Wes in the Transition Rocks of 

 North America, and some Considerations in 

 Geology connected with it. By R. C. Taylor, 

 Esq. 27 



Remarks and Illustrations on the Decay of the 

 Stems of succulent Plants. By Frederick 

 C. Lukis, Esq. 32 



A Notice of some important Geological Dis- 

 coveries at Billesdon Coplow, Leicestershire ; 

 with Observations on the Nature of their 

 Relation to the modern System of Geology. 

 By Joseph Holdsworth, Esq. - - 38 



Volcanoes. By W. M. Higgins, Esq. F.G.S., 

 Lecturer on Natural Philosophy to Guy's 

 Hospital 431 



A Notice of some of the Contents of the Fresh, 

 water Formation at Copford, near Colchester, 

 Essex. By J. Brown, Esq. - - 43(3 



Enquiries on the Causes of the Colour of the 

 Water of the Rhine ; by J. R. : with Re- 

 marks, in Contribution to an Answer ; by 

 the Rev. W. B. Clarke, A.M. F.G.S. - 438 



On the Cause of Volcanic Action ; a Reply to 

 Professor Higgins's Review, in p. 434, 435., of 

 Dr. Daubeny's Theory. By Dr. Daubeny, 

 King's Professor of Botany and Chemistry in 

 the University of Oxford - - 588 



Some Account of the Salt of the Mountain of 

 Gem, at Cardona, in Catalonia, Spain ; with 

 some Facts indicative of the little Esteem 

 entertained by Spaniards for Naturalists. By 

 W. Perceval Hunter, Esq. - - 640 



Facts and Considerations on the Strata of Mont 

 Blanc; and on some Instances of Twisted 

 Strata observable in Switzerland ; by J. R. : 

 with Remarks thereon, by the Rev. W. B. 

 Clarke, A.M, F.G.S. &c. - - 644 



METEOROLOGY. 



Some Observations on a very interesting Aurora 

 Boreaiis, witnessed at Hull on the Evening 

 and Night of October 12. 1833. By George 

 H. Fielding, Esq. M.R.C.S.L., Member of 

 the British Association for the Advancement 

 of Science, Treasurer and Hon. Curator of 

 Comparative Anatomy to the Hull Literary 

 and Philosophical Society, &c. &c. - - 50 



A Statement of the Quantity of Rain which 

 has fallen at High Wycombe, Bucks, during 

 the last Ten Winters, with Remarks. By 

 James G. Tatem, Esq. - - - 239 



Data towards determining the Decrease of 

 Temperature in Connection with Elevation 

 above the Sea Level in Britain. By H. C. 

 Watson, Esq. F.L.S. - - - - 443 



Facts and Arguments in relation to the Causes 

 of a singular Appearance of a Rainbow, of 

 an unusual Appearance of the Sky, of Mirage, 

 of Dew, and of Hoar- Frost. By a Subscriber 



448 



Short Communications - 52. 134. 240. 378. 455 

 501. 589. 654 



MISCELLANEOUS INTELLIGENCE. 



Retrospective Criticism - - 62. 164. 276 | Queries and Answers 



80. 181. 540 



REVIEWS. 



Catalogue of Works on Natural History, lately ! Literary Notices 

 published, with some Notice of those con- 1 

 sidered the most interesting to British Natur. I 

 alists - 83. 185.i284. 381. 476. 543. 603. 655 | 



INDEX to Books reviewed and noticed 

 GENERAL INDEX 



96. 192. 288. 384. 479. .'544. 

 608. 656 



657 

 658 



