. 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.se the five abdominal segments; F, furca; i, the first, 2, the second, antenna;; 3, mandibles; 4, ma.xillx>; 5, maxil

- Image ID: PG3R6R
. 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.se the five abdominal segments; F, furca; i, the first, 2, the second, antenna;; 3, mandibles; 4, ma.xillx>; 5, maxil
Central Historic Books / Alamy Stock Photo
Image ID: PG3R6R
. 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.se the five abdominal segments; F, furca; i, the first, 2, the second, antenna;; 3, mandibles; 4, ma.xillx>; 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); i.e., the most important stages of organization which its ancestors have passed through appear again, even if somewhat modified, in the development of individual animals.". 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.. Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929, ed. and tr. New York, H. Holt
Save to lightbox

Similar stock images