TABLE OF CONTEI^TS. 



PAGE 



On the Canadian Caverns. By Dr. G. D. Gibb, F.G.S 161 



On the Carboniferous Brachiopoda of Scotland. By T. Davidson, F.G.S. . 179 



Notes and Queries 184 



Eeviews 200 



Now ready, Vols. I. and II. of " The Geologist," handsomely bound in cloth, 

 price 14s. 6d. 



Ornamental Covers for binding can be obtained at the office of " The Geologist," 

 154, Strand, price Is. 3d. 



MAPS, PLANS, SECTIONS, and DRAWINGS on STONE 

 and WOOD, ENGRAVINGS on METAL, WOOD, and STONE, LEC- 

 TURE-DIAGRAMS, and aU kinds of SCIENTIFIC ILLUSTRATIONS. LITHO- 

 GRAPHIC, COPPER-PLATE, WOOD-CUT, and GENERAL PRINTING, and 

 BINDING are executed at the Office of 



Xlie " OEOI^OGMIST," 15e, Strand. 

 Authors' manuscripts revised and prepared for the press, and estimates given 

 for complete works. * 



MAN AMONG THE MAMMOTHS. 



TO PROFESSORS OF COLLEGES, AND HEADS OF LOCAL INSTITU- 

 TIONS, AND OF SCHOOLS. 



OEIGINAL DIAGRAMS FOR LECTURES. 



THESE DIAGRAMS are on cloth (or on paper at tlie option of 

 purchasers) and of the average size of 3-ft. by 2-ft. Price 2s. 6d. each ; or to 

 Subscribers paying in advance, 25s. per dozen. 



Now Ready, No. VI., 



FLIKT TOOLS AND INSTEUMEHTS FROM THE DRIFT 



GRAVELS. 



Specirnen-Diagrams on cloth, sent hy Post, free, on receipt of a Post Office Order 



or Stamps. 



Large Portfolios for holding the diagrams, with marbled sides, price 15s.; 



plain, 10s. 6d. 



CHEAP DIAGRAMS FOR LECTURES, executed to order from One Shilling 

 and Sixpence upwards. Maps, Sections, and Pictorial Views. 



Geologist Office, 156, Strand, and obtainable of all Booksellers. 



Now Published, crown 8vo, cloth, illustrated, price 5s. 



FIRST TRACES OF LIFE ON THE EARTH ; 



OR, 



THE FOSSILS OF THE BOTTOM ROCKS. 

 By S. J. MACKIE, F.G.S., F.S.A. 



London : Groombridge & Sons, 5, Paternoster-row. 



PROVINCIAL INSTITUTIONS desirous of making arrange- 

 -i- meuts for the delivery, during the ensuing season, of popular Lectui-es on 

 Geology, are requested to communicate with the Editor of " The Geologist." 



