. A manual of zoology. Zoology. HISTORY OF ZOOLOGY 29 and then the cyclops-stage, because their ancestors were once fish-Iikc, perennibranchiate-like, nauplius- and cyclops-hke. Here is expressed a general phenomenon which Haeckel has stated under the name of 'the Fundamental Law of Biogenesis.' "The development history (ontogeny). Fig. 7.—Cyclops coronatus {A) and also its nauplius in lateral (B) and in ventral view (C). /, head; II-V, the five thoracic, and behind the five abdominal segments; F, furca; i, the first, 2, the second, antenna;; 3, mandibles; 4, ;; 5, maxil
. A manual of zoology. Zoology. HISTORY OF ZOOLOGY 29 and then the cyclops-stage, because their ancestors were once fish-Iikc, perennibranchiate-like, nauplius- and cyclops-hke. Here is expressed a general phenomenon which Haeckel has stated under the name of 'the Fundamental Law of Biogenesis.' "The development history (ontogeny). Fig. 7.—Cyclops coronatus {A) and also its nauplius in lateral (B) and in ventral view (C). /, head; II-V, the five thoracic, and behind the five abdominal segments; F, furca; i, the first, 2, the second, antenna;; 3, mandibles; 4, ;; 5, maxilhpeds; 6-g, the lirst four pairs of biramous feet, while the rudimentary fifth pair are hidden; au, eye; o, upper Up; e, egg-sacs; d, gut; m, muscle. of an individual animal briefly recapitulates the history of the race (phylog- eny); , the most important stages of organization which its ancestors have passed through appear again, even if somewhat modified, in the development of individual ;. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929, ed. and tr. New York, H. Holt
Size: 1495px × 1672px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1912
