. An introduction to zoology [microform] : for the use of high schools. Zoology; Zoologie. HIGH SCHOOL ZOOLOGY. 243 to the rays, and are provided with reservoirs, from which water can be forced into certain short processes of the stems, known as "tube-feet'' (Fig 171), which are thus caused to pro- ject from the surface of the body, so as to act as locomotive organs. 3. The larva? are extremely unlike the adults, the developmental stages recalling in many respects those of a remarkable worm-like animal {Balano- glossus), the organization of which points to its being a very primitive A Hoi
. An introduction to zoology [microform] : for the use of high schools. Zoology; Zoologie. HIGH SCHOOL ZOOLOGY. 243 to the rays, and are provided with reservoirs, from which water can be forced into certain short processes of the stems, known as "tube-feet'' (Fig 171), which are thus caused to pro- ject from the surface of the body, so as to act as locomotive organs. 3. The larva? are extremely unlike the adults, the developmental stages recalling in many respects those of a remarkable worm-like animal {Balano- glossus), the organization of which points to its being a very primitive A Hoiothuroid with tentaciea form, presenting as it does, points of expanded, and tube-feet pro- . , i t ⢠> i â , ⢠truded; the latter are arranged COntact With Several higher sub-king- in distinct rows. â , doms. 4. Of the various classes into which the Echinoderms are subdivided, the Holothuroidea are characterized by cylindrical form and a soft skin (Fig. 171). The tube-feet are often con- fined to a ventral surface so that the animals are then distinctly. Fiff. 171.âPcntacta frondom. (U. S. F. C.). 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
