. College collection of palaeontology. No. 163. [437, Cast]. Paradoxides Bohemicus, Bock. This genus is distinguished by a broad, club-shaped glabella, large head-spines, oblong eyes, from sixteen to twenty flat body-rings, and a very small pygidium. It includes some of the largest Trilobites known, which, to the number of about twenty species, characterize the Lower Silurian formation of Bohemia, Sweden and England. From the Lower Silurian at Ginetz, Bo- hemia. Size, No. 164. Pliacops bufo (Var. rana.). Green. Head and Tail. Trilobites of the genus Phacops have very large, prominent, gr
. College collection of palaeontology. No. 163. [437, Cast]. Paradoxides Bohemicus, Bock. This genus is distinguished by a broad, club-shaped glabella, large head-spines, oblong eyes, from sixteen to twenty flat body-rings, and a very small pygidium. It includes some of the largest Trilobites known, which, to the number of about twenty species, characterize the Lower Silurian formation of Bohemia, Sweden and England. From the Lower Silurian at Ginetz, Bo- hemia. Size, No. 164. Pliacops bufo (Var. rana.). Green. Head and Tail. Trilobites of the genus Phacops have very large, prominent, granulated eyes, forming a segment of a cone, distinct trilobation, and eleven body-rings. This species, the Calymene macropthalma of Brongniart, and perhaps identical also with the Phacops latifrons of Bronn, has a very convex head, occupying one-third of the whole length, a tuberculated glabella, and the eleven pleurae bent down at the extremities. There are 66 lenses in each eye. These specimens are from the Hamilton Group (Devonian), Otisco, N. 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 Ward's Natural Science Establishment, inc. Rochester
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