. The Eurypterida of New York. Eurypterida; Paleontology. THE EURYPTERIDA OF NEW YORK 121 In the primitive trilobite Harpes the ocelh remain functional through life and no com])Ound eyes are developed; we may infer that the early appearance and strong development of the ocelli in the larvae of both Limulus and the scorpion are, in view of their retention in later life, with diminished force, rather suggestive of their having been the first eyes of the ancestral forms. As the swimming legs are clearly a secondary acquirement their larger size and probably that of the other legs also, is a purel

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. The Eurypterida of New York. Eurypterida; Paleontology. THE EURYPTERIDA OF NEW YORK 121 In the primitive trilobite Harpes the ocelh remain functional through life and no com])Ound eyes are developed; we may infer that the early appearance and strong development of the ocelli in the larvae of both Limulus and the scorpion are, in view of their retention in later life, with diminished force, rather suggestive of their having been the first eyes of the ancestral forms. As the swimming legs are clearly a secondary acquirement their larger size and probably that of the other legs also, is a purely larval feature in. 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 Clarke, John Mason, 1857-1925; Ruedemann, Rudolf, 1864-1956. Albany, New York State Education Department

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Keywords: ., bookcentury1900, bookdecad, booksubjectpaleontology, bookyear1912