. A catalogue of the collection of Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge. Paleontology; Paleontology. Ge Ge. Ge3 Forbesia, p. 174. Names and References; Observations, &c. CRUSTACEA, Merostomata, Sub-Order Eurypterida. Pterygotus, (Agassiz), Huxley, Salter and Woodward. The giant of the Crustacea, attaining a size of seven to eight feet in length, and abund- ant in species. At first regarded as parts of a fish, it was soon re- stored to its true position by the renowned Agassiz, and it has since received attention from the above auth
. A catalogue of the collection of Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge. Paleontology; Paleontology. Ge Ge. Ge3 Forbesia, p. 174. Names and References; Observations, &c. CRUSTACEA, Merostomata, Sub-Order Eurypterida. Pterygotus, (Agassiz), Huxley, Salter and Woodward. The giant of the Crustacea, attaining a size of seven to eight feet in length, and abund- ant in species. At first regarded as parts of a fish, it was soon re- stored to its true position by the renowned Agassiz, and it has since received attention from the above authors. (See Upper Ludlow.) Pterygotus ? A thick anterior joint of some large species. (It can scarcely be the cup of a large cri- noid, much obliterated.) Pterygotus arcuatus, Salter (Mem. Geol. Surv. Mon. 1, on Pterygotus, p. 95, t. 13). The difference in sculpture and shape of the an- tenna? marks this species from P. anglicus and its allies. Slimonia (Page, H. Woodward). [Slimonia differs from Pterygotus in shape and in the absence of the great chelate antenna?. The tho- racic plate covering the sexual or- gans differs in male and female.] Slimonia punctata {Pterygotus, Sal- ter, Mem. Geol. Surv. Mon. 1, pi. 10, 11). A body-ring only. CRUSTACEA, Trilobita, Burm. Proetus latifrons, McCoy, sp. (Silur. Foss. Ireland, t. 4, fig. 11, Mem. Geol. Surv. Vol. 2, pt. 1, t. 6, fig. 1). Numbers and Localities. a. 521, Underbarrow, Ken- dal. b. 864, Leintwardine. b. 865, Leintwardine. a. 905, 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 Sedgwick Museum; Salter, John William, 1820-1869; Sedgwick, Adam, 1785-1873; Morris, John, 1810-1886. Cambridge, University press
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