ADVERTISEMENTS 
WATERHOUSE HAWKINS' 
EESTOEATIONS OF EXTINCT ANIMALS. 
Now published, prke One Guinea. 
A life-like Group of the Mammals of the Post-Tertiary Period, showing the relative 
size aud proportion of their external forms, entitled 
STRUGGLES OF LIFE AMONG THE ANCIENT BRITONS IN 
ANTE-DILUVIAN TIMES. 
(Size of Print, 34 in. ly 28 , in .) 
London : Pakrt, G, Cecil-street, Strand. 
Now pullisJied (Size Imperial ito), Price 12s. GJ. 
WATERHOUSE HAWKINS' 
COMPAEATIVE VIEW OE THE HUMAN AND 
ANIMAL EEAME. 
London : Chapman & Hall, 193, Piccadilly. 
EECEEATIVE SCIENCE; 
OB, 
MONTHLY RECORD AND REMEMBRANCER OF INTELLEC- 
TUAL OBSERVATION. 
London : Groombridoe & Sons, Paternoster-row. 
pOLLECTION OF NATURAL HISTORY FOR SALE, CON- 
SISTING OF SKULLS, HORNS, STUFFED ANIMALS, BIRDS, AND 
REPTILES, EGGS, CORALS, SHELLS, MINERALS, AND FOSSILS. 
THE COUNCIL OF THE ROYAL UNITED SERVICE INSTITUTION have 
instructed Mr. Calvert to dispose of the above COLLECTION. Any gentleman 
wishing to purchase one or more specimens can view the same at the Museum, 
Whitehall-yard, S. W., from 12 to 3, on the 7th, 9th, 14th, and 16th of June 
next. Cards to be obtained only at Sowerby's, 167 Strand, W. C. 
Mr. Calvert will attend personally on those days. 
TO GEOLOGISTS. 
RED AND WHITE CHALK of Speeton and East Yorkshire. 
The characteristic and rarer Fossils of the above formations constantly on sale 
at Bridlington. Address as under. 
Edward Tindall, Old Guildhall, Bridlington. 
GEOLOGY AND MINERALOGY.— University College, London. 
Professor Morris, F.G.S., commenced a Course of Lectures on PHYSICAL and 
DESCRIPTIVE GEOLOGY, and the Application of Mineralogy to Geology and the 
Arts, on Tuesday, January 31st. To be continued every Tuesday and Thursday, at 
a Quarter past Four, p.m. Fee, £2 2s. 
FRANCIS W. NEWMAN, Dean of the Faculty of Arts. 
CHAS. C. ATKINSON, Secretary to the Council. 
THE NEW CEPHALASPIS FROM THE OLD RED SAND- 
STONE. Good specimens (portions of the head) Cephalasjns Asterolepis, 
5s. each. Fragments, showing character, 2s. 6d. 
Apply to George C. Roberts, Kidderminster. 
