ADVERTISEMENTS. 



1 



[Exhibited in the Educational Museum, South Kensington, and placed on the List 

 of Works recognized by the Department of Science and Art. Placed also on 

 the List of Works recognized by the Society of Arts.] 



LIST OF LECTURE-DIAGRAMB, by S. J. MACKIE, F.G.S., F.S A. 



ISSUED TO THIS DATE. 



No. 1 . — Geological Map of the British Isles, including part of the Continent 

 of Europe. Size 9ft. 6in. by lift. 6-in. Price, coloured, £3 13s. 6d. 



Note. — A smaller Map, about 4ft. by 3 ft., is now preparing, and will be issued as 

 soon as 250 subscriber's names are received. Price 10s. 6d. to subscribers paying 

 in advance. 



No. 2. — Forms of Flints derived from Ventriculites. Size 3ft. by 2ft. 

 Price 2s. 6d. 



No. 3. — Fusus Contrarius ; Murex Alveolatus ; Crag Shells. Size 3ft. by 

 2ft. Price 2s. 6d. 



No. 4. — Generic Forms of Foraminifera, in Six Parts. Size 3ft. by 2ft. 

 Price each Part 2s. 6d. 



Part I. — 1, Orbulina universa. 2, Lagena sulcata. B, Nodosaria (Glandulina) 

 ovula. 4, Nodosaria Rhaphanistrum. 5, Nodosaria (Dentalina) elegans. 

 6, Nodosaria ( Frondicularia ) planata. 7, Cristellaria ( FlabelUna ) rugosa. 

 8 to 10, .CrUtellaria calcar. 11 to 14, Polymorphina lactea. 15, tfvigerina, 

 pygmcea. 16, Bulimina pyrula. 



Part II. — 17, Rotalia repanda. 18, Globigerina hulloides. 19, Planorbulina 

 (Truncatulina ) faceta, 20, Rotalia simplex. 21, Rotalia ( Asterigeriria ) tro- 

 chidiformis. 22, Nonionina asterisans. 23, Amphistegina Hauerina. 

 24, Meter ostegina depressa. 25, 26, Polystomella erispa. 27, Nummulina 

 radiata. 28, N. complanata. 29a, Horizontal Section, 29b, Vertical Section 

 of a Nummulite. 



Part IV. — 30, Amoeba diffluens. 31, Gromia oviformis. 32, Rotalia Beccarii- 

 33, Alveolina Boscii. 34, Fusilina cylindrica. 35, 36, Textularia Sagittula- 



Part V. — 37, Peneropli^ planata. 38 to 40, Orbiculina adunea. 41, Orbitolites 

 complanata. 



Part VI. — 42, Biloculina bullotdes. 43, Spiroculina d&pressa. 44, Triloculina 

 cor-anguinum. 45, Quinqueloculina secans. 46, Q. Seminulum. 47, Adelo- 

 sina pulchella. 48, Quinqueloculina Dutemplii. 49, Miliola. 



No. 6. — Flint Implements from the Drift, with Illustrative Examples of Im- 

 plements now in use amongst Savage Tribes. Size 3ft. by 2 ft. Price 2s. 6d. 



TO GEOLOGISTS. 



"DED AND WHITE CHALK of Speeton and East Yorkshire. 

 -Lv The characteristic and rarer Fossils of the above formations constantly on 

 sale at Bridington. Address as under. 



Edward Tindall, Old Guildhall, Bridlington. 



THE NEW CEPHALASPIS FKOM THE OLD RED SAND- 

 STONE. Good specimens (portions of the head) of Cephalaspis Asterolepis, 

 6s. each. Fragments shewing character, 2s. 6d. 



Apply to George E. Roberts, Kidderminster. 



PE ACTIO AL GEOLOGY.— King's College, London.— Professor 

 Tennant, F.G.S., is giving a Course of TWELVE LECTURES on GEO- 

 LOGY, having especial reference to the application of the Science to Engineering, 

 Mining, Architecture, and Agriculture. The Lectures commenced on Friday 

 Morning, April 20th, at Nine o'clock. They will be continued every Wednesday 

 and Friday, at the same hour. Fee, £1 lis. 6d. 



R. W. JELF, D.D., Principal. 



