Proceedings of the British Association. 37 L 



Description of a fish constituting a new genus, (Macharium subducens,) by Dr. 

 Richardson. 



On the Palpi of Spiders, by Mr. Blackwall. 



On the Nidus and Growth of the Purpureus lapillus, and also on the Patella 

 pellucida and P. lavis, by C. W. Peach. 



Notices of the dates of first flowering of Plants, the migration of Birds, &c, 

 drawn up by Mr. J. Couch of Cornwall. 



List of periodical Summer Birds observed near Llanrwst, Denbighshire, North 

 Wales, in the spring of 1842, by Mr. Blackwall. 



Account of a species of Ichneumon, whose larva is parasitic on Spiders, by J. 

 Blackwall, F. L. S. 



Report of the Committee appointed to make experiments on the growth and 

 vitality of seeds. 



On the different species of Cotton Plants and the Culture of Cotton in India, by 

 Prof. Royle. 



On the promotion of Vegetable Growth, by Mr. Webb Hall. 



On Liebig's Theory of Fallow Crops, by Rev. J. B. Reade. 



Description" of three new species of Mollusca of the genus Eolis, by Mr. Allder. 



On the Varieties of the Human Race, by Dr. Hodgkin. 



Report of the Committee appointed to draw up a plan for rendering the nomen- 

 clature of Zoology uniform and permanent. 



Sect. E. Medical Science. 

 The following papers were communicated. 



On the Construction and Application of Instruments used in Auscultation, by 

 Prof. Williams. 



On the influence of the Coronary Circulation on the Heart's action, by Mr. J. 

 E. Erichsen. 



On some peculiarities of Circulation of Blood in the Liver, by Mr. A. Shaw. 



On the therapeutic application of air-tight Fabrics, by Prof. Williams. 



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, by Mr. Catlow. 



On a general law of Vital Periodicity, by Dr. Laycock. 



On Lithotomy and Lithotripsy, by Mr. Wilson. 



On the uses of the Muscular Fibres of the Bronchial Tubes, by Dr. James Car- 

 son, Jr. 



On a case of Asphyxia, which occurred in the operations for clearing the wreck 

 of the Royal George, by Dr. Richardson. 



Sect. F. Statistics. 

 The following papers were communicated. 



On the results of Spade Husbandry, Small Allotments, and Agricultural Schools, 

 by Mrs. Davies Gilbert. 



On the influence of the Factory System in the development of Pulmonary Con- 

 sumption, by Mr. Noble. 



Return of the Capital Punishments inflicted in Lancashire, from 1782 to 1841 

 inclusive. 



Abstract of the Registers of the Collegiate Church in Manchester, by Rev. R. 

 Parkinson. 



