140 Geological Society : — 



evidence in support of it has been accumulated." It is most 

 valuable to have the views of the supporters of the two rival 

 hypotheses thus brought into juxtaposition, and the editors have 

 shown great judgment in inviting contributions from both schools 

 in the present unsettled state of this most important subject. 



Among other special articles attention rnay be called to that on 

 Specific Volumes by Prof. Thorpe, and that on Terpenes by Prof. 

 Tilden. The latter gives in a space of some 11 pages a very good 

 resume of our present knowledge of the compounds of this group, 

 and here again one cannot fail to be struck with the great 

 development of chemical science since the publication of the old 

 dictionary. It is chiefly to the work of Wallach, and to the 

 introduction of the conception of the asymmetric carbon atom, that 

 this advancement is due. 



The various short articles by the editors do not call for special 

 notice ; it is sufficient to state that the standard of excellence has 

 been maintained throughout. It is with the greatest pleasure 

 that we acknowledge the indebtedness of the whole chemical 

 world to the editors of this great work and their coadjutors. The 

 selection of contributors has from the beginning been most 

 judicious, the treatment of the various subjects has been kept well 

 within the bounds of sound knowledge, and the terseness of 

 description has enabled them to compress into the allotted com- 

 pass of four volumes the vast mass of fact and theory of which 

 the modern science of Chemistry is composed. It is a matter for 

 congratulation that English scientific literature is in possession of 

 such a work. To simply commend it to the notice of chemists is 

 insufficient ; we may go so far as to declare that it is absolutely 

 indispensable to every worker in every department of our science. 



XII. Proceedings of Learned Societies, 



GEOLOGICAL SOCIETY. 



[Continued from vol. xxxviii. p. 577.] 



November 7th, 1894. — Dr. Henry Woodward, F.B.S., President, 



in the Chair. 



rpiIE following communications were read : — 



-*- 1. < Notes on some recent Sections in the Malvern Hills/ By 



Prof. A. H. Green, M.A., F.R.S., P.G.S. 



The sections described occur on the east side of the Herefordshire 

 Beacon, and for convenience are named the Warren House Pocks. 

 They are bedded, and have a general north-and-south strike. The 

 great bulk of the rocks are hard, close-grained, and splintery, and 

 are largely altered, and in many cases thickly veined with calcite. 



