. Bulletin - New York State Museum. Science. REPORT OP THE STATE PALEONTOLOGIST 1902 1233 ing in the lamellibranchs. The inference therefore that Lunuli- cardium has little to do with the Dimyarians is supported by empirical evidence of a single adductor or median approxima- tion or fusion of two adductors. Hence orienting the shell as Monomyarian posited between Avicula (Opisthogoniacea) and Pecten (Symptogoniacea), on the basis of its muscular and byssal structure, we find that the critical angle is exact for the position taken. We take this as excellent confirmatory evidence of the Monomyar

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. Bulletin - New York State Museum. Science. REPORT OP THE STATE PALEONTOLOGIST 1902 1233 ing in the lamellibranchs. The inference therefore that Lunuli- cardium has little to do with the Dimyarians is supported by empirical evidence of a single adductor or median approxima- tion or fusion of two adductors. Hence orienting the shell as Monomyarian posited between Avicula (Opisthogoniacea) and Pecten (Symptogoniacea), on the basis of its muscular and byssal structure, we find that the critical angle is exact for the position taken. We take this as excellent confirmatory evidence of the Monomyarian affinity of the 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 New York State Museum; New York State Museum. Albany : New York State Education Dept

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