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PHILOSOPHICAL TRANSACTIONS. 



Price £1 3s., -with 26 Plates. 

 Seeies A. Containing Papers of a Mathematical or Physical Character, 

 "Vol. CLXXVIII (1887). 



Price £1 16*., with 33 Plates. 

 Seeies B. Containing Papers of a Biological Character. 

 Yol. CLXXVIII (1887). 



The Papers in each Series can also be purchased separately and are published by 

 Triibner & Co., 57, Ludgate Hill. Price Is. to 3s. 



Cloth cases for binding the above volumes can be obtained of Harrison and Sons, 

 St. Martin's Lane. Price 1*. 6d. 



1888. 



The following separate Papers are now ready : — 

 Seeies A. 



(Containing Papers of a Mathematical or Physical Character.) 



18. The Influence of Stress and Strain on the Physical Properties of Matter. 

 Part I. — Elasticity (continued). The Effect of Magnetisation on the Elasti- 

 city and the Internal Eriction of Metals. By Heebebt Tomlinson, B.A. 

 Price 1*. 



Seeies B. 



(Containing Papers of a Biological Character.) 



20. A Eecord of Experiments upon the Eunctions of the Cerebral Cortex. By 



Yictoe Hoesley, M.B., E.E.C.S., E.E.S., Professor Superintendent of the 

 , Brown Institution, and Edwaed Albeet S chafee,. F. E. S ., Jodrell Professor 

 of Physiology in University College, London. (From the Physiological 

 Laboratory, University College.) Price 4s. 



21. On the Organisation of the Eossil Plants of the Coal-Measures. Part XIV. — 



The True Fructification of Calamites. By William Cbaweobd William- 

 son, LL.D., E.E.S., Professor of Botany in the Owens College and in the 

 Victoria University. Price 2*. 



22. Eesearches on the Structure, Organisation, and Classification of the Eossil 



Eeptilia. II. On Pareiasaurus Bombidens (Owen), and the Significance of 

 its Affinities to Amphibians, Eeptiles, and Mammals. By H, Gc. Seeley, 

 F.E.S., Professor of Geography in King's College, London. 



23. The Development of the Branchial Arterial Arches in Birds, with Special 



Eeferencr to the Origin of the Subclavians and Carotids. By John Yule 

 Mackay, M.D., Senior Demonstrator of Anatomy, Glasgow University. 



