. Catalogue of casts of fossils, from the principal museums of Europe and America, with short descriptions and illustrations. Fossils. Price, $ Price, $ No. 443. Phacops Logani, Hall. From the shaly limestone of the Lower Helderberg Group (Upper Silurian), New York. Price, $ No. 444. Placoparia Zippei, Bock. From the Lower Silurian, Bokycan, Bohemia. Price, $ No. 445. Prcetus longicaudus, Hail. In this genus, the eyes are of moderate size, very prom- inent, smooth, and joined rather closely to the glabella; and the body has ten segments. This specimen (coiled) is from the


. Catalogue of casts of fossils, from the principal museums of Europe and America, with short descriptions and illustrations. Fossils. Price, $ Price, $ No. 443. Phacops Logani, Hall. From the shaly limestone of the Lower Helderberg Group (Upper Silurian), New York. Price, $ No. 444. Placoparia Zippei, Bock. From the Lower Silurian, Bokycan, Bohemia. Price, $ No. 445. Prcetus longicaudus, Hail. In this genus, the eyes are of moderate size, very prom- inent, smooth, and joined rather closely to the glabella; and the body has ten segments. This specimen (coiled) is from the Hamilton Group (Devonian), Iowa. Price, $ No. 446. Stanrocephalus Murchisoni, Barr. In this genus, the head is almost globular, glabella large ; eyes minutely facetted; thorax of eleven joints, and tail of three segments. This species, which occurs in both hemispheres, was found in the Upper Silurian at Listice, Bohemia. Price, $ No. 447. Sphserexochus minis, 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, Henry A. (Henry Augustus), 1834-1906. Rochester, N. Y. , Benton & Andrews, printers


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Keywords: ., bookcentury1800, bookdecade1860, booksubjectfossils, bookyear1866