. The geological history of plants [microform]. Paleobotany; Paléobotanique. 28 THE GEOLOGICAL HISTORY OF PLANTS. I Owen, and which were by him referred to crustaceans probably resembling Limulus, were shown by the writer, in 1862,* to correspond precisely with those of the American Limulus {Poly- phemus Occidentalis) (Fig. 5). I proved by experi- ment with the modern ani- mal that the recurring se- ries of groups of markings were produced by the toes of the large posterior tho- racic feet, the irregular scratches seen in Protich- nites lineatus by the ordi- nary feet, and the central furrow b
. The geological history of plants [microform]. Paleobotany; Paléobotanique. 28 THE GEOLOGICAL HISTORY OF PLANTS. I Owen, and which were by him referred to crustaceans probably resembling Limulus, were shown by the writer, in 1862,* to correspond precisely with those of the American Limulus {Poly- phemus Occidentalis) (Fig. 5). I proved by experi- ment with the modern ani- mal that the recurring se- ries of groups of markings were produced by the toes of the large posterior tho- racic feet, the irregular scratches seen in Protich- nites lineatus by the ordi- nary feet, and the central furrow by the tail. It was also shown that when the Limulus uses its swimming-feet it produces impressions of the character of those named. Fio. 5.—Trail of a modem king- crab, to illustrate imitations of Jlants Hometiincs named Bilo- Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Dawson, J. W. (John William), Sir, 1820-1899. New York : D. Appleton
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleobo, bookyear1888
