Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 34
Fig. 13.—Canccllariacancellata. Fig. 12.—Gigantic Cerithium. found ; and the cretaceous period, or period of thechalk, next in order of time. To the cretaceous period succeeded the tertiary GEOLOGICAL POSITION. 13 formation, in which are found such shells as thoserepresented by Figs. 11, 12, and… … Fig. 14.—The Great Palseotherium. Figs. resemblance to those of the present period.14 and 15 illustrate characteristic types. After the tertiary formation comes the post-ter-tiary or quarternary formation, in which the animalsare quite analogous to those of our own period. If we inquire of…
Precious stones · Diamonds · Gems
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