ADVERTISEMENTS. 
7 
[Exhibited in the Educational Musoum, South Kensington, and placed on the List 
of Works recognized by the Department of Science and Art. Placed also ou 
the List of Works recognized by the Society of Arts.] 
LIST OF LECTURE-DIAGRAMS, 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, £3 138. 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 lOs. Cd. to subscribers paying 
in advance. 
No. 2. — Forms op Flints derived from Ventriculites. Size 3ft. by 2ft. 
Price 2s. 6d. 
No. 3. — Fusos Contraries; Murex Alveolatus; Crao Shells. Size 3ft. by 
2ft. Price 2s. 6d. 
No. 4. — Qeneuic Forms of Foraminifera, in Six Parts. Size 3ft. by 2ft. 
Price each Part 2s. 6d. 
Part I. — 1, Orbulinr universa. 2, Lagena sulcata. 3, Nodosaria (Glandulina) 
ovula. 4, Noaosarin Rhaphanisirum. 5, Nodosnria (Dentalina) eleijans. 
6, Nodosaria (Frondicularia) ylwnata. 7, Crintellaria (Flabellina) rugosa. 
S to 10, Crixtellaria calcar. 11 to li, Polymorphina lactea. 15, Uvigerina 
pygmcea. 16, Bulimina pyrula. 
Part II. — 17, Rotalia repanda. 18, Globigerina bullo'ides. 19, Planorbulina 
(TruncatuUna) faceta, 20, Rotalia simplex. 21, Rotalia ( Asterigerina) tro- 
chidiformis. 22, Nonionina asterisnns. 23, Amphistegina Ilauerina. 
24, Heterostegina dejtressa. 25, 26, Poiystomella crispa. 27, Nummulina 
radiata. 28, JV. complanata. 29a, Hurizontal Section, 29b, Vtrtical Section 
of a Niimmulite. 
Part IV. — 30, Amoeba diffluens. 31, Gromia oviformis. 32, Rotalia Beccarii- 
33, Alveolina Boscii. 34, Fmilina cylindrica. 35, 36, Textularia Sagittula- 
Part V. — 37, Peneroplis planata. 38 to 40, Orbiculina adunca. 41, Orbitolites 
complanata. 
Part VI. — 42, Biloculina bullo'ides. 43, Spiroculina depressa. 44, Triloculina, 
cor-anguinum. 45, Quinqtieloculina secans. 46, Q. Seminulum. 47, Adelo- 
sina pukhelia. 48, Quiiiqueloculina Duteviplii. 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. 
RED AND WHITE CHALK of Speeton and East Yorkshire. 
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 FROM THE OLD RED SAND- 
STONE. Good specimens (portions of the head) of Cejihalaspis Asterolepis, 
6s. each. Fragments shewing character, 2s. 6d. 
Apply to George E. Roberts, Kidderminster. 
PRACTICAL GEOLOGY.— King's College, London.— Professor 
Tennant, F.G.S., is giving a Course of TWELVE LECTURES ou 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 wiU be continued every Wednesday 
and Friday, at the same hour. Fee, £1 lis. 6d. 
R. W. JELF, D.D., Principal 
