. Introduction to zoology; a guide to the study of animals, for the use of secondary schools;. FIG. 103.— Callinectes hastatus, blue crab. Reduced to one-third. Photo. by W. H. C. P. 110 ZOOLOGY ostreum (Fig. 105), found in the mantle chamber of theoyster, is eaten by us together with the oyster or FIG. 104. —Platyonichus ocellatus, lady oral). Reduced to one-third. Photo, by W. H. C. P. The fiddler crabs are representative of the square are the familiar animals which crowd salt marshesand run sideways to and from their burrows. One claw is much larger than the


. Introduction to zoology; a guide to the study of animals, for the use of secondary schools;. FIG. 103.— Callinectes hastatus, blue crab. Reduced to one-third. Photo. by W. H. C. P. 110 ZOOLOGY ostreum (Fig. 105), found in the mantle chamber of theoyster, is eaten by us together with the oyster or FIG. 104. —Platyonichus ocellatus, lady oral). Reduced to one-third. Photo, by W. H. C. P. The fiddler crabs are representative of the square are the familiar animals which crowd salt marshesand run sideways to and from their burrows. One claw is much larger than the the crab is disturbed,the large claw is brandishedin a manner which has beenlikened to the movements ofa riddle as one plays uponit. Crelasimus pugnax is themost abundant species, andranges from Cape Cod to the Gulf of Mexico. Togetherwith Cambarus it does much damage by burrowing in thelevees of the Mississippi River (Fig. 100).


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1900