. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . PLATE LXII. Echidnocerus foriminatus. Cryptolithodes papillosus. ANOMALOUS FORMS 271 spiny armature. The antennae are broad at the base and covered withsmall spines on the sides and upper surface, and the eye-stalks are alsospiny. This crab sometimes attains the size of ten inches across thecarapace and a weight of seven pounds, being among the largest crabsknown. It is found at the mouth of the Columbia River and along thenorth
. The sea-beach at ebb-tide : a guide to the study of the seaweeds and the lower animal life found between tidemarks . PLATE LXII. Echidnocerus foriminatus. Cryptolithodes papillosus. ANOMALOUS FORMS 271 spiny armature. The antennae are broad at the base and covered withsmall spines on the sides and upper surface, and the eye-stalks are alsospiny. This crab sometimes attains the size of ten inches across thecarapace and a weight of seven pounds, being among the largest crabsknown. It is found at the mouth of the Columbia River and along thenorthwest coast. (Plate LXII.) E. forhHintitns. This species resembles E. ciharius in the man-ner of closing the feet, forming a compact, box-like, spiny body is more depressed than that of the latter, and the cone-likeelevations on the back are less prominent. The spines are hairy. Thecharacteristic feature of this species is a semicircular cut in the secondjoints of the chelipeds, directly opposite to similar depressions in the firstwalking-legs, so that when the feet are folded a round hole is left,thr
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmarinea, bookyear1901
