. College collection of palaeontology. 122 MOLLUSC A, No. 331. Myophoria (Schizodus) Kefersteinii, Munst. This genus, of tlie Trigonidaj, is restricted to the Triassic, with 16 species. Trias., Raibl, Carinthia, Austria. No. 332. Area biangulata, Lam. In the Arcid« family the shell is equivalve and the hinge line has a long, even row of teeth. These specimens are from the Eocene at Grignon, France. No. 333. Area diluvii, Lam. Pliocene, Bagalo, Italy. » No. 334. Nueula strigillata, Goldf. Tiyon takes this genus from Arcidae and makes it the type of the family Nuculidfe; 250 fossil species are f
. College collection of palaeontology. 122 MOLLUSC A, No. 331. Myophoria (Schizodus) Kefersteinii, Munst. This genus, of tlie Trigonidaj, is restricted to the Triassic, with 16 species. Trias., Raibl, Carinthia, Austria. No. 332. Area biangulata, Lam. In the Arcid« family the shell is equivalve and the hinge line has a long, even row of teeth. These specimens are from the Eocene at Grignon, France. No. 333. Area diluvii, Lam. Pliocene, Bagalo, Italy. » No. 334. Nueula strigillata, Goldf. Tiyon takes this genus from Arcidae and makes it the type of the family Nuculidfe; 250 fossil species are found ranging from the Palaeozoic. From the St. Cassian Beds (Trias), Tyrol. No. 335. Pectuneulus pulvinatus, Lam. Tliis is a comparatively modern genus, dating from the Cretaceous; of the very old and abundant family Arcidte. Eocene Tertiary, Grignon, France. No. 336. Modiola minuta, Quenstedt. Family Mytilidaj; 70 species living and 150 fossil. From the Trias at Nur- tingen, Wurtemberg. No. 337. [685, Cast]. Dreissensia (Congeria) subglobosa, Partsch. This globose and finely modeled form of bi- valve shell, resembles Mytilus, but lacks the pearly lining. It abounds in the "Tegel," or sandj' loam (Miocene Tertiary) of Brunn, Austria, and is now in the Ward Collection, in the Uni- versity of Rochester. No. 338. Ambonyehia radiata, Hall. This is a Palaeozoic genus of the Avicula family. From the Cincinnati Group, Cincinnati, Ohio. No. 339. Perna mytiloides, Lam. Portland Beds (Upper Oolite), Swindon Wilts, England. No. 340. Inoeeramus Sagensis, Owen. A characteristic Cretaceous genus; 75 species known. Cretaceous, Cheyenne River, South 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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