Sold by Harrison and Sons, St. Martin's Lane. 

 Now Ready. 



PHILOSOPHICAL TRANSACTIONS. 



Price £1 3s., with 26 Plates. 

 Series A. Containing Papers of a Mathematical or Physical Character. 

 Vol. CLXXVIII (1887). 



Price £1 16*., with 33 Plates. 

 Series B. Containing Papers of a Biological Character. 

 Yol. CLXXVIII (1887). 



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

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



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

 St. Martin's Lane. Price Is. 6d. 



1888. 



The following separate Papers are now ready : — 

 Series A. 



(Containing Papers of a Mathematical or Physical Character.) 



he 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 Friction of Metals. By Herbert Tomlinson, B.A. 

 Price Is. 



Series B. 



(Containing Papers of a Biological Character.) 



. A Record of Experiments upon the Functions of the Cerebral Cortex. By 

 Victor Horsley, M.B., F.R.C.S., F.R.S., Professor Superintendent of the 

 Brown Institution, and Edward Albert Schaeer, F.R.S., Jodrell Professor 

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

 Laboratory, University College.) Price 4?. 



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



The True Fructification of Calamites. By William Crawford William- 

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

 Victoria University. Price 2s. 



22. Researches on the Structure, Organisation, and Classification of the Fossil 



Reptilia. II. On Pareiasaurus bombidens (Owen), and the Significance of 

 its Affinities to Amphibians, Reptiles, and Mammals. By H. G-. Seelet, 

 F.R.S., Professor of Geography in King's College, London. Price 6s. 



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



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

 Mace:at, M.D., Senior Demonstrator of Anatomy, Glasgow University. 

 Price 3s. 



26. On Parts of the Skeleton of Meiolania platyceps (Owen). By Sir Richard 

 Owen, K.C.B., F.R.S., &c. Price 3.?. 



