Geological Society. 265 



Such, then, constitute the data on which the author says that our 

 ideas about primitive peoples can be formed, supplemented by what 

 we can learn about the probable uses and applications of their stone 

 implements, the sole actual memorials of those early men. M. van 

 Overloop's suggested " method of study " is not new to archaeolo- 

 gists ; but it is here carried out with great care, and illustrated with 

 precision, over a considerable tract of a very interesting country. 



Annual Report and Proceedings of the Belfast Naturalists' Field- 

 Club for 1883-4. (Twenty-first Year.) Ser. 2, vol. ii. part 4. 

 8vo. Pp. 215-258, with 18 plates: 18S4. With Appendix 

 VIII. : 1885. A. Mayne : Belfast. 



Several pleasant and instructive excursions of the Club to places in 

 the North of Ireland are duly recorded, and the proceedings of the 

 Meetings during the Winter Session. At one of these evening- 

 meetings a valuable paper " On the Age of the Basalts of the North- 

 east Atlantic," as deduced chiefly from a study of the fossil plants 

 found associated with them, was read by J. S. Gardner, E.L.S., 

 F.G.S., &c. (pp. 254-290, with a plate, illustrating Taxus Stvan- 

 stoni, Pinus Bailyi, P. plutonis, Tsuga Heerii, Cuprcssus Pritchardi, 

 and Cryptomeria Ste7-nbcrgi). A meteorological summary for 1884 

 is given at pp. 293-296. An Appendix (No. VIII. of the series) 

 contains Mr. A. C. Haliday's (1) Notes on Irish Colcoptera, edited by 

 Mr. S. A. Stewart ; (2) The Cromlechs of Antrim and Down, by 

 Mr. W. Gray, containing valuable notes on the meaning of the word 

 and on cromlechs generally, and on sixteen cromlechs in the County 

 Antrim and fourteen in County Down ; these, figured in fourteen 

 sketches, fill seven plates ; (3) Notes on the Prehistoric Monuments 

 at Carrowmore, near Sligo ; and the Battlefield of the Northern 

 Moytura, by Mr. C. Elcock, illustrated by seven figures in four plates. 



PROCEEDINGS OE LEARNED SOCIETIES. 



GEOLOGICAL SOCIETY. 



November 19, 1884.— Prof. T. G. Bonuey, D.Sc, LL.D., F.R.S., 

 President, in the Chair. 



The following communications were read : — 



1. " Note on the resemblance of the Upper Molar Teeth of an 

 Eocene Mammal (Neoplar/iaula.v, Lemoine) to those of Tritylodon." 

 By Sir Richard Owen, K.C.B., F.R.S., F.G.S. 



In this paper the author referred to the genus Neoplagianlax, 

 described by M. Lemoine from the Eocene of Rheims, as pre- 



