. Catalogue of casts of fossils, from the principal museums of Europe and America, with short descriptions and illustrations. Fossils. 164 RADIATA. No. 816. Scutella disca, This American Clypeastroid is from the Tertiary of Georgia. Price, $ No. 817. Sismondia costulata, Desor. (Syn. EcMnocyamus costulatus, Desor.) A Clypeastroid, convex above, con- cave underneath; petals broad and elliptical; central summit; marginal anus. From the Tertiary (?) of Europe. Price, $0 90. Dysasteridoe. No. 818. Collyrites carinata, Desm. This small species is essentially cordiform, with a keel mor
. Catalogue of casts of fossils, from the principal museums of Europe and America, with short descriptions and illustrations. Fossils. 164 RADIATA. No. 816. Scutella disca, This American Clypeastroid is from the Tertiary of Georgia. Price, $ No. 817. Sismondia costulata, Desor. (Syn. EcMnocyamus costulatus, Desor.) A Clypeastroid, convex above, con- cave underneath; petals broad and elliptical; central summit; marginal anus. From the Tertiary (?) of Europe. Price, $0 90. Dysasteridoe. No. 818. Collyrites carinata, Desm. This small species is essentially cordiform, with a keel more or less marked. From the Oxfordian (Middle Oolite), Wurtemberg. Price, $ No. 819. Collyrites elliptica, Desm. (Syn. Dysaster ellipticus Agass.) A large infiated species. From the Cal- lovien (Middle Oolite), France. Price, $ Galleridse. No. 820. AnorthopygUS COStellatUS, Desor. ( costellatus, Agass.) This species has a circular, depressed form, with small tubercles regularly disposed. It is from the Cretaceous of France. Price, $ No. 821. Discoidea cylindrica, Agass. This Echinus has a hemispherical test, the height sometimes exceeding its diameter, and very small tubercles arranged in concentric series. From the Chalk-marl (Cretaceous) of Eouen, France, and now in the Ward Museum of the University of Rochester. Price, $0,25. No. 822. Discoidea cylindrica, Agass. (Var. alta.) From the Chalk-marl (Cretaceous), 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
