. Evolution and its relation to religious thought . 120 EVIDENCES OF THE TRUTH OF EVOLUTION. have gills attached to them. Thej are called maxilli-peds, or jaw-feet. They are used like hands to gatherfood and carry it to the mouth. They are gatliering-cqjpendages. Then follow three or four pairs still moremodified^ and used for mastication. They are calledmaxillae and mandibles. They are follow two pairs, long, man3-jointed, with thesame kind of curious hinge-joints, which we have inthe legs, undoubtedly homologous with all the others,but used for an entirely different pu


. Evolution and its relation to religious thought . 120 EVIDENCES OF THE TRUTH OF EVOLUTION. have gills attached to them. Thej are called maxilli-peds, or jaw-feet. They are used like hands to gatherfood and carry it to the mouth. They are gatliering-cqjpendages. Then follow three or four pairs still moremodified^ and used for mastication. They are calledmaxillae and mandibles. They are follow two pairs, long, man3-jointed, with thesame kind of curious hinge-joints, which we have inthe legs, undoubtedly homologous with all the others,but used for an entirely different purjoose, and special-ly modified for that purpose. They are the are delicate organs of touch and of hearing, for. Fig. 31.—Vibilia, an arnpliibod crustacean (after Milne Edwards). the ear is situated in the basal joint of the Last of all, there is still another pair, jointed andmovable, on the ends of which are situated the last three, therefore, are sense-appendages. Some HOMOLOGIES OF THE ARTICULATE SKELETON. 121 writers make this last pair special organs, not homolo-gous with appendages. For the sake of greater distinctness, we give thewhole series of these appendages in one of the higherforms, viz., the prawn (Palemon, Fig. 29, and in one ofthe lower forms, Nebalia, Fig. 30).


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Keywords: ., bookauthorlecontej, bookcentury1800, bookdecade1880, bookyear1888