. An introduction to zoology [microform] : for the use of high schools. Zoology; Zoologie. 120 HIGH fiCHOOu 200LOOY. ij erect, their forelegs being iised for prehensile purposes. We now come to certain forms which lived an aerial life, being pro- vided with organs of llight of a character i)eculiar to themselves- In this order, the Pterosauria, (l^^ig. 81)) the limbs were ap[)roxi- matcly of the same size, but the little finger of the anterior extremity was enormously long and strong compared with the othera. It had four joints, r nd between it, the arms and the side of the body, a web of skin
. An introduction to zoology [microform] : for the use of high schools. Zoology; Zoologie. 120 HIGH fiCHOOu 200LOOY. ij erect, their forelegs being iised for prehensile purposes. We now come to certain forms which lived an aerial life, being pro- vided with organs of llight of a character i)eculiar to themselves- In this order, the Pterosauria, (l^^ig. 81)) the limbs were ap[)roxi- matcly of the same size, but the little finger of the anterior extremity was enormously long and strong compared with the othera. It had four joints, r nd between it, the arms and the side of the body, a web of skin was stretched out, somewhat similar to the web between a bat's fingers. Some of them (Fig. 90) it 11'< !â ;. Fig. 90âRestoration of Rhamj>horhynchiut phyllunia. (Marsh). J. had a long tail terminating in a rudder-like membrane supported by the spines of tlie terminal vertebrae. But none of them had anything similar to the plumage of the birds, and wo siiall afterwards see^ that the skeleton of the bird's wing is constructed on quite a different plan from that of the Pterosaurian. Al- though many members of this group were small, others attained a gigantic size, one found in Kansas having a stretch of some twenty feet. li. 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 Wright, R. Ramsay (Robert Ramsay), 1852-1933. Toronto : Copp, Clark
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectzoology
