Outlines of comparative physiology : touching the structure and development of the races of animals, living and extinct for the use of schools and colleges / by Louis Agassiz and A.A. Gould ; edited from the revised ed. and greatly enl. by Thomas Wright.

  • Louis Agassiz
Date:
1855
Catalogue details

Licence: Public Domain Mark

Credit: Outlines of comparative physiology : touching the structure and development of the races of animals, living and extinct for the use of schools and colleges / by Louis Agassiz and A.A. Gould ; edited from the revised ed. and greatly enl. by Thomas Wright. Source: Wellcome Collection.

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    Fig. _ I a pedicle; h,i, separation into ' segments; cl, a segment become free; k, form of the adult. [Sars 367 Portion of a horny sheathed polyp (Campanularia) : a, cup, which bears tentaculac; b, the female cell, containing eggs; c, the cells in which the young are nursed, and from which they issue . Steenstrup 368 The young of the same, with its ciliated margin, magnified. 369 Transformations of the canker worm ( Geometra vernalis): a, the canker worm; b, its crysalis; c, female moth; d, male moth. . Agassiz 370 Metamorphoses of the Duck- barnacle (Anatifa); a, eggs magnified; b, the animal as it escapes from the egg; c, the stem and eye appearing, and the shell enclosing them ; i d, animal removed from the j shell, and further magnified ; i e, f, the mature barnacle af-1 fixed by its pedicle . Ibid. 371 Metamorphoses of a star-fish (Echinaster sanguinolentus), showing the changes of the yolk, e; the formation of the pedicle, p; and the gradual change into the pentagonal and rayed form . . Ibid. 372 Comatula, a West Indian spe- cies, in its early stage attached to a stem . . Agassiz Fig. 373 The same, detached and swim- ming free . . . Ibid. 374 Longitudinal section of the stur- geon, to show its cartilaginous vertebral column . Ibid. 375 Amphioxus, natural size, show- ing its imperfect organiza- tion .... Ibid. 376 Section of the earth’s crust, showing the relative position of the rocks composing it. [Agassiz 377 Fossils of the Palaeozoic age. [Murchison. 378 Ilomalonotus delphinocephalus. [Konig 379 Pterichthys . . Miller 380 Coccosteus cuspidatus . Ibid. 381 The Flora of the coal period. [Richardson 382 Foot-prints of birds . Ibid. 383 Plesiosaurus rugosus . Owen 384 Pterodactylus crassirostris. [Goldfuss 385 Jaw of the Thylacotherium, magnified. . Richardson 386 Fossils, shells, and Hemiciduris from the oolitic rocks. [Phillips 387, 388 Fossil shells from the greensand strata of the Isle of Wight . . . Mantel] 389 Fossii shells, and Mammalian remains, from the locustrine tertiary strata of the Isle of Wight, to illustrate the fauna of that period . . Ibid. 390 The Megatherium. [Pander and D’Alton