 | Peter Mark Roget - Biology - 1834 - 644 pages
...them the effect of oars. The extremity of the tail is still more expressly formed for giving effect to the stroke, being terminated by a number of flat...then its feet, as if it were pulling them out of a pair of boots : the head next throws off its case, together with its antennae ; and the two eyes are... | |
 | Peter Mark Roget - Biology - 1834 - 660 pages
...stroke, being terminated by a number of flat scales, which, when expanded, present a broad surface to ^he water. The calcareous coverings of these Crustacea...then its feet, as if it were pulling them out of a pair of boots : the head next throws off its case, together with its antennae ; and the two eyes are... | |
 | THE EDINBURGH REVIEW - 1835 - 572 pages
...account, given by Dr Roget, of the periodical casting of the shell of the lobster is very interesting : ' The process by which this periodical casting and renewal...then its feet, as if it were pulling them out of a pair of boots : the head next throws off its case, together with its antennae ; and the two eyes are... | |
 | 1835 - 284 pages
...SHELL OF THE LOBSTER. THE process by which the periodical casting and renewal of the shell of lobsters are effected, has been very satisfactorily investigated...then its feet, as if it were pulling them out of a pair of boots : the head next, throws off its case, together with its antennae ; and the two eyes are... | |
 | Periodicals - 1835 - 272 pages
...SHELL OF THE LOBSTER. THE process by which the periodical casting and renewal of the shell of lobsters are effected, has been very satisfactorily investigated...then its feet, as if it were pulling them out of a pair of boots : the head next throws off its case, together with its antennae ; and the two eyes are... | |
 | James Rennie, John Obadiah Westwood - Insects - 1835 - 332 pages
...the limbs to expand during growth, is restrained by the limited dimensions of the shell, which resist the efforts to enlarge its diameter. But this force...then its feet, as if it were pulling them out of a pair of boots ; the head next throws off its case, together with its antennae, and the two eyes are... | |
 | Saturday magazine - 1840 - 1078 pages
...this force of expansion goes on increasing, till at length it is productive of much uneasiness to trie animal, which is, in consequence, prompted to make...then its feet, as if it were pulling them out of a pair of hoots : the head next throws off its case, together with its antennae ; and the two eyes are... | |
 | Young people - 1852 - 1020 pages
...limbs to expand goes on increasing in force, till at length the animal becomes very uneasy, and it is in consequence prompted to make a violent effort...itself; by this means it generally succeeds in bursting open a portion of the under part of the shell, and, then by dint of repeated struggles, it at length... | |
| |
The process by which this periodical casting and renewal of the shell are effected, has been very satisfactorily investigated by Reaumur. The tendency in the body and in the limbs to expand during growth is restrained by the limited dimensions of the... 