VI CONTENTS. 



Page 

 Rev. D. Williams on the Discovery of the Remains of Fishes at the hase of 

 the Mountain Limestone in the Vicinity of Bristol * GO 



ZOOLOGY AND BOTANY. 



Professor Royle on the different Species of Cotton Plants, and of the Culture 



of Cotton in India 61 



Mr. G. W. Hall on the Promotion of Vegetable Growth 64 



Rev. J. B. Reade on Liebig's Theory of Fallow Crops 64 



Dr. Daubeny on an Irregular Production of Flowers, in an Aloe, at Ham 



Court, near Bristol 65 



Mr. Jon. Couch on the Migration of Birds and Flowering of Plants in Corn- 

 wall 66 



Mr. John Blackwall's List of Summer Birds observed in Denbighshire in 



the Spring of 1842 66 



Mr. C. W. Peach on the Nidus and Growth of the Purpura lapillus, and also 



on the Patella pellucida and P. Icevis 66 



Mr. John Blackwall on the Palpi of Spiders 66 



's Account of a Species of Ichneumon whose Larva is 



parasitic on Spiders 68 



Mr. Joshua Alder's Notices of Eolis, Doris, &c 69 



Dr. Richardson on a Specimen of Machcerium subducens from Port Essington, 

 New Holland, belonging to the Collection made by Mr. Gilbert, Mr. Gould's 



Assistant 69 



Mr. H. E. Strickland's Notice of Halcyon Smyrnensis 70 



Dr. Hodgkin on the Varieties of the Human Race 70 



Mr. George C. Hyndman's Note of Species obtained by deep Dredging near 



Sana Island, off the Mull of Cantire .' 70 



Capt. Beechey's Results of deep Dredging off the Mull of Galloway 72 



MEDICAL SCIENCE. 



Mr. C. J. B. Williams on the Construction and Application of Instruments 

 used in Auscultation 75 



Professor Williams's Observations on the Therapeutic Application of Air- 

 tight Fabrics 77 



Mr. J. E. Erichsen on the Influence of the Coronary Circulation on the 

 Heart's Action 78 



Mr. Alexander Shaw on some Peculiarities in the Circulation of the Liver... 79 



Mr. Catlow on the Relation of the Season of Birth to the Mortality of 

 Children under two years of age, and on the probable duration of Life, as it 

 is affected by the Month of Birth solely, and by the Months of Birth and 

 Death conjointly 80 



Mr. James Carson, jun. on the Uses of the Muscular Fibres of the Bronchial 

 Tubes 80 



Dr. Laycock on a general Law of vital Periodicity 81 



Mr. John Roberton on the period of Puberty in Negro Women 82 



Prof. Owen's Notice of Dr. Martin Barry's Researches on Fibre, published in 

 the Transactions of the Royal Society 83 



Dr. Fowler's Observations on the best Mode of expressing the Results of 

 Practice in Therapeutics 83 



Dr. R. Fowler's further Particulars respecting a Young Woman Deaf, Dumb 

 and Blind, of whom a full Account was given last Year at Plymouth 83 



Sir David J. H. Dickson on Cases of enormous Hydropic Distension of 

 the Abdomen, and of sudden Death from the Rupture of an Aneurism of the 

 Thoracic Aorta 83 



Dr. J. Richardson's Abstract of the Case of a Diver employed on the Wreck 

 of the Royal George who was injured by the bursting of the Air-pipe of the 

 Diving Apparatus 84 



Dr. Carson on a Case of unusual Paralysis 85 



