The Eurypterida of New York/Volume 2/Explanations of plates/Plate 60

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PLATE 60

Hughmilleria socialis Sarle
Page 335
See plates 46, fig. 15; 59, 61–63

1–6 Series of carapaces of individuals of various ages showing slight variations in outline and in the size and position of the compound eyes. Natural size
7 A laterally compressed carapace showing the form of the compound eye. Natural size
8 Dorsal view of average individual showing the ocellar mound, one walking leg and the surface sculpture. Natural size
9 Dorsal view of well preserved specimen showing the normal outline of the body, the swimming legs and form of segments
10 Ventral view of specimen. This retains the extended right preoral appendage, three walking legs with their coxal joints in position, the mouth, the metastoma, the coxal joints of the swimming legs with their gnathobases, the left swimming leg, male opercular appendage and the imbricating surface scales. The postlateral lobes of the first postabdominal segment are also well shown. Natural size
Horizon and locality. Pittsford shale. Pittsford, Monroe co., N. Y.

The originals of figures 1–5, 8–10 are cotypes. The originals of all figures are in the State Museum

Memoir 14. N.Y.State Museum. Plate 60.
G.S.Barkentin del. J.B.Lyon Co. State Printer.