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Eesearches in Stellar Photography. 1. In its Eelation to the Photometry 

 of the Stars ; 2. Its Applicability to Astronomical Measurements of 

 Great Precision. By the Kev. C. Pritchard, D.D., F.E.S., Savilian 

 Professor of Astronomy in Oxford 449 



Researches upon the Self-induction of an Electric Current. By Professor 

 D. E. Hughes, F.E.S ! 450 



Contribution to the Study of Intestinal Eest and Movement. By J. 

 Theodore Cash, M.D 469 



June 4, 1886. 



Election of Fellows * 471 



June 10, 1886. 



On the Blood- Vessels of Mustelus antarcticus : a Contribution to the 

 Morphology of the Vascular System in the Vertebrata. By T. Jeffrey 

 Parker, B.Sc, C.M.Z.S., Professor of Biology in the University of 

 Otago, N.Z 472 



A Minute Analysis (experimental) of the various Movements produced 

 by stimulating in the Monkey different Eegions of the Cortical Centre 

 for the Upper Limb, as defined by Professor Ferrier. By Charles E. 

 Beevor, M.D., M.E.C.P., and Professor Victor Horsley, F.E.S., B.S., 

 F.E.C.S 475 



On the Discrimination of Maxima and Minima Solutions in the Calculus 

 of Variations. By E. P. Culverwell 476 



On the Anatomy, Histology, and Physiology of the Intraocular Muscles 

 of Mammals. By Waiter H. Jessop, M.A., M.B., Cantab., F.E.C.S., 

 Demonstrator of Anatomy at St. Bartholomew's Hospital, London, &c. 478 



On the Place of Origin of Uric Acid in the Animal Body. By Alfred 

 Baring Garrod, M.D., F.E.S 484 



On the Lifting Power of Electromagnets and the Magnetisation of Iron. 

 By Shelford Bidwell, M.A., LL.B.. 486 



On a New Scale for Tangent Galvanometers. By W. H. Preece, F.E.S., 

 and H. E. Kempe 496 



On Fluted Crateiiess Carbons for Arc Lighting. By Sir James N. 

 Douglass 500 



On some new Elements in Gadolinite and Samarskite, detected spec- 

 troscopically. By William Crookes, F.E.S., V.P.C.S 502 



The Distribution of Micro-organisms in Air. By Percy F. Frankland, 

 Ph.D., B.Sc, F.C.S., F.I.C., Assoc. Eoy. Sch. Mines 509 



On the Multiplication of Micro-organisms. By Percy F. Frankland, 

 Ph.D., B.Sc, F.C.S., F.I.C., Assoc Eoy. Sch. Mines 526 



Observations on Pure Ice and Snow. By Thomas Andrews, F.E.S.E., 

 F.C.S., Wortley Iron Works, near Sheffield 544 



On the Gaseous Constituents of Meteorites. By Gerrard Ansdell, F.C.S., 

 and Prof. James Dewar, F.E.S 549 



