. Relics of primeval life, beginning of life in the dawn of geological time. Fig. 26.— Weathered Specimen of Eozoonfrom the Grand Calumet.(Collected by Mr. McMullen.). Fig. 27.—Cross Section of the Specimen represented in Fig. 26. The d&rk parts are the laminae of calcareous matter converging to the outer surface. 180 THE HISTORY OF A DISCOVERY I3I of fossils which he was preparing, that he proposedto notice the mode of preservation of certain fossilwoods and other things with which I was familiar,and that he would show me the paper in proof, inorder that he might have any suggestions thatoccu

. Relics of primeval life, beginning of life in the dawn of geological time. Fig. 26.— Weathered Specimen of Eozoonfrom the Grand Calumet.(Collected by Mr. McMullen.). Fig. 27.—Cross Section of the Specimen represented in Fig. 26. The d&rk parts are the laminae of calcareous matter converging to the outer surface. 180 THE HISTORY OF A DISCOVERY I3I of fossils which he was preparing, that he proposedto notice the mode of preservation of certain fossilwoods and other things with which I was familiar,and that he would show me the paper in proof, inorder that he might have any suggestions thatoccu Stock Photo
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The Reading Room / Alamy Stock Photo

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2AFJB9F

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2141 x 1167 px | 36.3 x 19.8 cm | 14.3 x 7.8 inches | 150dpi

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. Relics of primeval life, beginning of life in the dawn of geological time. Fig. 26.— Weathered Specimen of Eozoonfrom the Grand Calumet.(Collected by Mr. McMullen.). Fig. 27.—Cross Section of the Specimen represented in Fig. 26. The d&rk parts are the laminae of calcareous matter converging to the outer surface. 180 THE HISTORY OF A DISCOVERY I3I of fossils which he was preparing, that he proposedto notice the mode of preservation of certain fossilwoods and other things with which I was familiar,and that he would show me the paper in proof, inorder that he might have any suggestions thatoccurred to me. On reading it, I observed, amongother things, that he alluded to the supposed Lau-rentian fossils, under the impression that the organicpart was represented by the serpentine or loganite,and that the calcareous matter was the filling of thechambers. I took exception to this, stating thatthough in the slices before examined no structurewas apparent, still my impression was that the cal-careous matter was the fossil, and the serpentine orloganite the filling. He said : In that case, wouldit not be well to re-examine the specimens, and to tryto d

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