PHILOSOPHICAL TRANSACTIONS. 



Part II, 1883. 



Contents. 



IX. On the Skeleton of the Marsipobranch Fishes. Part I, The Myxinoids 

 (Myxine and Bdellostoma) . By William Kitchen Paekeb, F.R.S. 

 X. On the Skeleton of the Marsipobranch Fishes. Part II. Petromyzon. 

 By William Kitchen Paekee, F.R.S. 



XI. On the Organisation of the Fossil Plants of the Coal-Measures. Part 

 XII. By W. C. Williamson, LL.D., F.R.S. 



XII. Experimental Researches on the Electric Discharge with the Chloride of 



Silver Battery. Part IV. By Waeeen De La Rue, M.A., D.C.L., 

 Ph.D., F.R.S., and Httgo W. Mullee, Ph.D., F.R.S. 



XIII. On Electrical Motions in a Spherical Conductor. By Hoeace Lamb,. 



M.A. 



XIV. Researches on the Foraminif era — Supplemental Memoir. On an Abyssal 



type of the Genus Orbitolites • — a Study in the Theory of Descent. By 

 William B. Caepentee, C.B., M.D., LL.D., F.R.S. 



XV. On the Affinities of Thylacoleo. By Professor Owen, C.B., F.R.S., &c. 



XVI. On the Morphology and the Development of the Perithecium of Meliola, 



a G-enus of Tropical Epiphyllous Fungi. By H. Maeshall Waed, 

 B.A. 



XVII. On the Atomic Weight of Glucinum (Beryllium). By T. S. Httmpidge, 



Ph.D., B.Sc. 



X VIII. On the Changes which take place in the Deviations of the Standard Com- 



pass in the Iron Armour-plated, Iron, and Composite -built Ships of the 

 Royal NaVy, on a considerable change of Magnetic Latitude. By Staff- 

 Commander E. W. Ceeak, R.N. 

 XIX. Pelvic Characters of Thylacoleo carnifex. By Professor Owen, C.B., 

 F.R.S. 



XX. The Limiting Thickness of Liquid Films. By A. W. Reinold, M.A., and 



A. W. Rtjckee, M.A. 



XXI. The Direct Influence of Gradual Variations of Temperature upon the 



Rate of Beat of the Dog's Heart. By H. Newell Maetin, M.A., M.D., 

 D.Sc. 



Index to Part II. _ 



Price £2 10*. 



Extra volume (vol. 168) containing the Reports of the Naturalists attached to the 

 Transit of Venus Expeditions. Price £3. 



Sold by Harrison and Sons. 



Separate copies of Papers in the Philosophical Transactions, commencing with 1875. 

 may be had of TriibEer and Co., 57, Ludgate Hill. 



