The Geologigal Magazine Advertiser, 
_ PROFESSOR TENNANT, F.G.S., 149, Strand, London, W.C., offers for sale a 
FIRST-CLASS GEOLOGICAL COLLECTION in TWO CABINETS (the above is a 
sketch of one), each measuring 9 ft. 3 in. long, 2 ft. 4 in. wide, and 3 ft. 10 in. high ; each 
containing 45 drawers, with a glass case on the top of each, 4 ft. 11 in. high and 15 in. 
from back to front. The Collection is carefully named, and consists of 6000 specimens, 
many very choice, one Cabinet being filled with 2600 Minerals and Rocks, the other with 
8400 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 Types 
figured in Dixon’s ‘‘ Geology of Sussex,” and choice specimens of Fossil Fishes from 
Monte Bolca, near Verona, Italy, from the Lithographic Stone of Solenhofen, and other 
_ Foreign localities. 
Many of the Minerals are from the Duke of Buckingham’s (Stowe sale), Sir John St. 
Aubyn’s, and other collections. The first Gold Nugget received from Australia, and a 
Gold Nugget from Ashantee, weight 5oz., 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 
collected with care and at great expense during the last forty years. Price Five THOUSAND 
GUINEAS, 
x 
PROFESSOR TENNANT’S LECTURES ON ROCKS AND METALLIC 
MINERALS, at King’s College, are given on WEDNESDAY and FripAy Morninas, 
from 9 to 10 o’clock, and on THuRsDay EvENINGS from 8 to9. The LECTURES com- 
mence WEDNESDAY, January 21st, and will be continued to Haster, The public are 
admitted on paying the College Fees. 
PRIVATE INSTRUCTION in GEOLOGY and MINERALOGY can be had at 149, 
Strand, by those unable to attend Public Lectures. 
During the Christmas, Easter, and Midsummer Holidays Prof. TENNANT gives a short 
Elementary Course of Lectures on Mineralogy, Geology, and Paleontology, adapted to a 
Juvenile class, at his residence, 149, Strand. He can also supply students with Elemen- 
pe cctions, and every requisite to illustrate the interesting study of Mineralogy and 
eology, 
January, 1880. 
