Che Geologiqal Magazine Advertiser, 
Professor Tennant, F.G.S., 149. Strand, London, W.C., 
OFFERS FOR SALE A 
FIRST-CLASS GEOLOGICAL COLLECTION in TWO CABINENTS (the above is a sketch 
of one), each measuring 9ft. 3 in. long, 2 ft. 4in. wide, and 3 ft. 10 in. high; each con- 
taining 45 drawers, with a glass case on the top of each, 4 ft. 1] in. high,and 15 in. from 
back to front. The Collection is carefully named, and consists of 6100 specimens. many very 
choice, one Cabinet being filled with 2600 Minerals «nd Rocks, the other with 3500 Fossils. 
The fossil series contains characteristic specimens from all the British formations, selected 
principally from the celebrated collections of the Marchioness of Hastings, Drs. Buckland, 
Bowerbank, Mantell, and others. It also contains some I'ypes figured in Dixon’s ‘Geology of 
Sussex ;’ and choice specimens of Fossil Fishes from Monte Bolea, near Verona, Italy, from the 
Lithographic Stone of Solenhofen, and other Foreign localities. A recent addition has been 
made, from the late Prof. Bell’s sale, of 100 fossils from the Paris Basin. 
. Many of the Minerals are trom the Duke of Buckingham’s (Stowe sale), Sir John St. Aubyn’s, 
and other collections. ‘he first Gold Nugget received from Australia, and a Gold Nugget 
from Ashantee, weight 5 oz., are in the collection; also a fine series of one hundred 
Diamonds, crystallized and faceted, illustrating form and colour, from India, Brazil, South 
Africa, and Australia. All the important minerals used in jewellery are also well represented 
by rough and faceted specimens. 
Any person wishing to become practically acquainted with the interesting and important 
study of Mineralogy and Geology will find this a good opportunity to obtain an instructive 
and valuable Geological Museum, scientifically arranged, the specimens having been 
eect with care and at great expense during the last 40 years. Price Five THousanD 
UINFAS. 
N.B. This collection is more complete than the National Collection at the British 
Museum wis fifty years since; many of the specimens are labelled in a superior manner. 
PROFESSOR TENNANT’S LECTURES on MINERALOGY, applied to GEOLOGY and the 
ARTS, at King’s Cotlege. ‘Two Courses are given; one on Saturday mornings from 10.20 to 
11.20, and the other on Thursday evenings from 8 to 9. The public are admitted on paying 
the College Fees, viz. £3 3s. for the Morning Lectures, and £1 1ls 6d. for the Evening. The 
Lectures begin early in October, and terminate at Easter. ‘They are illustrated ‘by a large 
series of specimens, chiefly from his private collection. Persons unable to attend Public 
Lectures can have Private Instruction in Mineralogy and Geology of Prof. ‘Tennant at his 
residence, 149, Strand, W C. Terms: 7s. for a lesson of one hour. 
GEOLOGY, MINERALOGY, and PALA ONTOLOGY.—Six Elementary Lectures on one 
of these subjects, adapted to a Juvenile Audience, will be given by Professor ‘Tunnanrat hia 
residence, 149, Strand, W.C.,in the Easter, Midsummer, and Christmas Holidays, at 10 a.m. 
and3p.m. Terms: Half a Guinea for each Course. 
During seventeen years Mr. Tennant was also teacher of Geology and Mineralogy to the 
Gentlemen Cadets in the Royal Military Academy, Woolwich. He has found, by long ex- 
perience, that the exhibition of good specimens enables the student to acquire a competent 
knowledve of the subject in half the time that would be required by merely studying books 
and diagrams without specimens. 
