been the In a paper read at arecent meeting of the Cotteswold Natu- traordinary volcanic activity, producing, no doubt, an abun- bed of an ancient sea; and that a great sea existed in the ralists’ Field Club, by Mr. Francis Day, the autlror remarks 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 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 vertebrate forms, and that in sixty feet of…
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