. Zoölogy [microform] : descriptive and practical. Zoology; Zoologie. Annulata. 9> travel with the pos- terior end fore- most, as it does occasionally, it has but to point the spines forward, and the same action of the muscles will propel it posterior end foremost. If the worm were lying on a perfectly smooth surface, on which there was no friction what- ever, the shorten- ing and lengthen- ing of the body would avail noth- ing in the way of locomotion; it would be simply motion. The loco- motion of the earth- worm, however, is not essentially different from that of other animals, — they mu

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. Zoölogy [microform] : descriptive and practical. Zoology; Zoologie. Annulata. 9> travel with the pos- terior end fore- most, as it does occasionally, it has but to point the spines forward, and the same action of the muscles will propel it posterior end foremost. If the worm were lying on a perfectly smooth surface, on which there was no friction what- ever, the shorten- ing and lengthen- ing of the body would avail noth- ing in the way of locomotion; it would be simply motion. The loco- motion of the earth- worm, however, is not essentially different from that of other animals, — they must all have some point of support or resist- ance by means of which they pro-. 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 work.. Colton, Buel P. (Buel Preston), 1852-1906. Toronto : Copp, Clark