NOW READY. 



RAY SOCIETY. 



THE BRITISH MARINE ANNELIDS 



VOLUME IV, PART I. 



POLYCHi^TA.— Hermellidffi to Sabellidge. 



pp. i-viii + 1-250. Folio, with 15 plates. Boards. £2 10s. net. 

 Vols. I-III in 7 Parts, £7 10s. 



Palseontographical Society, — Vol. LXXIV. 



CONTAINING 



1. The Palaeozoic Asterozoa. Part V. By Dr. W. K. 



Spencer. Four Plates. 



2. The Carboniferous Insects. Part II. With Title-page 



and Index. By Mr. Herbert Bolton. Six Plates. 



3. The Pleistocene Mammalia. — Hippopotamus. By Prof. 



S. H. Eeynolds. Six Plates. 



•4to. £1 5s. net. 



OSWALD (Felix), D.Sc, F.G.S. A Geological Map of the 



Caucasus. With explanatory test. Compiled from the latest 

 sources. Scale 1: 1,000,000 (15"78 miles = l inch). The geological 

 formations and the igneous rocks are clearly displayed in twenty 

 different colours. The glaciers are also indicated. All heights are 

 given in English feet, and the latest railways have been inserted. 

 The pamphlet of explanatory text gives a brief account of the main 

 physical divisions of the Caucasus, followed by a detailed description 

 of the successive geological horizons with their characteristic fossils. 

 Special care has been taken to indicate the exact position in the 

 geological series at which petroleum occurs in the Caucasian oil-fields. 

 15s. net. Postage Is. 



TABLE OF BRITISH STRATA. 



COMPILED BY 



HENRY WOODWARD. LL.D.. F.R.S.. F.G.S. 

 HORACE B. WOODWARD. F.R.S.. F.G.S. 



5/- net. Folded in book form, 7/6 net. Postage Is. 



London: DULAU & CO., Ltd. 

 34-36 Marg£Lret Street, Cavendisli Square, W. 1. 



