After the return of the Wilkes exploring expedition of 1842, James D. Dana, its mineralogist, mentioned places in California at which he had observed or inferred the existence of gold.

But, even if you are no mineralogist, common sense will tell you, that if they were all concreted out of the same clay, it is most likely that they would be all of the same kind, and not of a dozen or more different kinds.

" Brooks was a college graduate, a civil engineer, and a mineralogist, and believed he had great advantages in searching for a mine, but, as has been indicated, thus far their tramp and search had been a dead failure.

Your attitude towards it will be that of the mineralogist who stumbles upon a very characteristic specimen of a mineral.

To the researches of the naturalist and mineralogist the Seven Mountains offer inexhaustible resources.

But in the natural curiosities of the environs of Clermont there is a great deal to interest the botanist and mineralogist and above all there is a remarkable petrifying well, very near the town, where by leaving pieces of wood, shell-fish and other articles exposed to the dropping of the water, they become petrified in a short time.

In view of the immense mineral resources of our country, provision should also be made for the employment of a competent mineralogist and chemist, who should be required, under the direction of the head of the bureau, to collect specimens of the various minerals of our country and to ascertain by careful analysis their respective elements and properties and their adaptation to useful purposes.

Meantime Mr. Calhoun, who was struck by the earnestness of his views and scientific enterprise, offered him the situation of geologist and mineralogist to an exploring expedition, which the war department was about dispatching from Detroit to the sources of the Mississippi under the orders of Gen. Cass.

This gathering was a propitious circumstance for my explorations; no mineralogist had ever visited the country.

"Public attention," he remarks, "was much excited last year by the prospectus of the expedition, of which Mr. Schoolcraft formed a part as mineralogist, and whose journey he has now described.

"The present narrative does not exhibit the author in his capacity of mineralogist alone.

An eminent mineralogist assures me that he is able to imagine simultaneously all the sides of a crystal with which he is familiar.

The function of this faculty is essential to those engaged in the imitative arts: it enables the painter to distinguish the different casts of features and countenances in general; and upon the same principle, is of the most essential service to the mineralogist.

M. Depuch, the mineralogist, died during the progress of the voyage, in 1803; and, unfortunately, none of his manuscripts were preserved.

Now Cousin Benedict was, in no sense, a botanist, nor a mineralogist, nor a geologist.

In praise of botany he would sometimes observe, "We cannot propagate stones:" meaning that the mineralogist cannot circulate his treasures without injuring himself, but the botanist can multiply his specimens at will and add to the pleasures of others without lessening his own.

ABICH, W. H., a German mineralogist and traveller (1806-1886).

BROCHANT DE VILLIERS, a mineralogist and geologist, born in Paris; director of the St. Gobin manufactory (1773-1810).

CAILLIAUD, French mineralogist, born in Nantes, travelled in Egypt, Nubia, and Ethiopia, collecting minerals and making observations (1787-1869).

DANA, JAMES DWIGHT, American mineralogist and geologist, born at Utica, New York State; was associated as scientific observer with Commodore Wilkes on his Arctic and Antarctic exploring expeditions, on the results of which he reported; became geological professor in Yale College; author of works on mineralogy and geology, as also on South Sea volcanoes (1813-1895).

DOLOMITE ALPS, a limestone mountain range forming the S. of the Eastern Alps, in the Tyrol and N. Italy, famous for the remarkable and fantastic shapes they assume; named after Dolomieu, a French mineralogist, who studied the geology of them.

HAÜY, RENÉ JUST, known as the Abbé Haüy, a French mineralogist, born at St. Just; propounded the theory of crystallisation founded on geometrical principles; absorbed in study, was caught napping during the Revolution; got consequently into trouble, but was extricated out of it by his friend and pupil, Geoffrey St.-Hilaire; was appointed professor of Mineralogy by Napoleon (1743-1823).

SMITHSONIAN INSTITUTION, a celebrated American institution "for the increase and diffusion of knowledge among men," in Washington; founded and endowed by James Macie Smithson, a natural son of the Duke of Northumberland, a zealous chemist and mineralogist, after having had a paper rejected by the Royal Society, of which he was a Fellow.

William Hope was a man full of talent; self-educated, and wonderfully quick at learning anything: he was a linguist, a mechanic, a mineralogist, a draughtsman, an inventor.

The young people would marry, but the doctor, though he liked the mineralogist, would not hear of it till he could support a wife.