 | Charles W. Vincent, James Mason - 1842 - 346 pages
...this remainder, so spread out, with Canadian balsam, the turpentine of the Pinus (Abies) balsamea, and hold it over a lamp until it becomes slightly fluid, without froth. A preparation thus made seldom fails ; and when magnified 300 times in diameter, we see that the mass... | |
 | 1841 - 646 pages
...Cover this remainder so spread out with Canadian baltani, the turpentine of the Pintu (Abies) balsamca, and hold it over a lamp until it becomes slightly fluid without froth. A preparation thus made seldom fails, and when magnified 300 times in diameter we sec that the mass... | |
 | 1841 - 1316 pages
...Cover this remainder so spread out with Canadian balsam, the turpentine of the Pinut (4bics) balsamca, and hold it over a lamp until it becomes slightly fluid without froth. A preparation thus made seldom fails, and when magnified 300 times in diameter we see that the mass... | |
 | 1849 - 630 pages
...and let the remainder become perfectly dry. Cover this remainder so spread out with Canadian bnlsam, and hold it over a lamp until it becomes slightly fluid without froth. A preparation thus made seldom fails, and when magnified 300 times in diameter, we see that the mass... | |
 | Joseph Henry Wythe - 1853 - 238 pages
...skeletons or shields in carbonate of lime, consisting mostly of Polythalamia, or many-chambered shells, Professor Ehrenberg has directed to place a drop of...containing the best specimens laid aside for mounting. In guano and Richmond earth are found most beautiful saucer-shaped shells, having hexagonal markings,... | |
 | 1849 - 630 pages
...water, and let the remainder become perfectly dry. Cover this remainder so spread out with Canadian balsam, and hold it over a lamp until it becomes slightly fluid without froth. Л preparation thus made seldom fails, and when magnified 300 times in diameter, we see that the mass... | |
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Canadian bnlsam, and hold it over a lamp until it becomes slightly fluid without froth. A preparation thus made seldom fails, and when magnified 300 times in diameter, we see that the mass of the chalk is chiefly composed of minute well-preserved organisms.... 