. Zoology. Zoology. THE HORSESHOE CBAB. 95 Class II.—Podostomata {King-crab, Eurypterus, and Triloiites). Order 1. Merostojnaia.—The only living representative of this ordA- is the horseshoe or king-crab {Lhmdus Poly- phemus, Fig. 122), which ranges from Oasco Bay, Maine, to Florida and the West Indies. The body of the king-crab is very large, sometimes nearly two. ^lo. 119.—Common Shore-crab (Cancer ij-rorahts). Natural size. FromEmertoa feet in length; it consists of a head composed of six segments and an abdomen witli nine segments, the ninth (telson) forming a long spine. The head is broad
. Zoology. Zoology. THE HORSESHOE CBAB. 95 Class II.—Podostomata {King-crab, Eurypterus, and Triloiites). Order 1. Merostojnaia.—The only living representative of this ordA- is the horseshoe or king-crab {Lhmdus Poly- phemus, Fig. 122), which ranges from Oasco Bay, Maine, to Florida and the West Indies. The body of the king-crab is very large, sometimes nearly two. ^lo. 119.—Common Shore-crab (Cancer ij-rorahts). Natural size. FromEmertoa feet in length; it consists of a head composed of six segments and an abdomen witli nine segments, the ninth (telson) forming a long spine. The head is broader than long, in shape somewhat lilve tliat of Ap^is, witli a broad flat triangular fold on the under side. Above are two large lunate compound ej'es, near the middle of the head, but quite remote from each other, and two small compound eyes sit- uated close together near the front edge of the liead. There are no antenna}, and the six pairs of aiipendages are of uniform shape lilve legs, not like mandibles or maxilla', and are adapted for walking: the feet are provided witli shaip teeth on the basal joint for retain-. 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 Packard, A. S. (Alpheus Spring), 1839-1905. N. Y. , Holt
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1897
