. The Eurypterida of New York. Eurypterida; Paleontology. 266 NEW YORK STATE MUSEUM cordiform/' Its length is more than half that of the carapace, its greatest width (in the anterior fourth) one half of its length. It decreases slightly in width posteriorly. Its lateral margins are nearly straight or but slightly concave. Its posterior end is transversely truncate, slightly emarginate in the Figure 6i Dolichopterus macrochirus Hall. Outline sketch of the ventral appendages of the type specimen. Natural size The opercular appendage of the female is seen very imperfectly in Hairs type.
. The Eurypterida of New York. Eurypterida; Paleontology. 266 NEW YORK STATE MUSEUM cordiform/' Its length is more than half that of the carapace, its greatest width (in the anterior fourth) one half of its length. It decreases slightly in width posteriorly. Its lateral margins are nearly straight or but slightly concave. Its posterior end is transversely truncate, slightly emarginate in the Figure 6i Dolichopterus macrochirus Hall. Outline sketch of the ventral appendages of the type specimen. Natural size The opercular appendage of the female is seen very imperfectly in Hairs type. It is better shown in the specimen in the museum of the Buffalo Society of Natural Sciences [pi. 44]. It is similar to that of Eurypterus, differing mainly in the greater length and less curvature of the paired terminal pieces. The proximal portion has not been distinctly seen. Traces of the pentagonal areas and the inclosed hastate proximal. 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 Clarke, John Mason, 1857-1925; Ruedemann, Rudolf, 1864-1956. Albany, New York State Education Department
Size: 1536px × 1626px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecad, booksubjectpaleontology, bookyear1912
