an abun- bed of an ancient sea; and that a great sea existed in Ihe ralists'Field Club, by Mr. Francis Day, the autlror remarks eastern half of our continent is a fact well known to geolo dance of oil directly from mineral sources, it is reasonable that few among the organs in fishes have been the… … duce about twenty-five feet of coal. In the an- auditory ossicles, In conclusion, Mr. Day says PLANTS OF THE CARBONIFEROUS PERIOD. thracite region, the number of productive seams that the air bladders in fishes is the homologue is about twenty-five, and they average in some of the superior…
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