Gegenbaur sentence example
- (After Kleinenberg, from Gegenbaur.) access of water to the contents; when the cnidocil is stimulated it sets in action a mechanism or perhaps a series of chemical changes by which the plug is dissolved or removed; as a result water penetrates into the capsule and causes its contents to swell, with the result that the thread is everted violently.
- See C. Gegenbaur, " Uber die Nasenmuscheln der Vogel," Jena Zeitschr.
- (From Gegenbaur, after Bergh.) A, Cerebral, pleural and visceral ganglia united.
- In Clausilia, according to the observations of C. Gegenbaur, the primitive shell-sac does not flatten out and disappear, but takes the form of a flattened closed sac. Within this closed sac a plate of calcareous matter is developed, and after a time the upper wall of the sac disappears, and the calcareous plate continues to grow as the nucleus of the permanent shell.
- On this account the animal was subsequently placed by Gegenbaur in a special class of Vermes, the Enteropneusta.Advertisement
- Huxley adopted Latreille's view of the distinctness of the Amphibia, as a class of the Vertebrata, co-ordinate with the Mammalia, A y es, Reptilia and Pisces; and the same arrangement was accepted by Gegenbaur and Haeckel.
- But systematic zoology is now entirely free from any such prejudices, and the Linnaean taint which is apparent even in Haeckel and Gegenbaur may be considered as finally expunged.
- It is convenient to distinguish two types of polyp by the names hydro polyp and anthopolyp, characteristic of the Hydrozoa and From Gegenbaur's FIG.
- The most marked case of such inversion in comparative anatomy is that of Carl Gegenbaur (5826-5903), who in arranging the fins of fishes in support of his theory that the fin of the Australian.
- To Kolliker,ll Gegenbaur, 12 and more recently Spenger, l3 amongst German anatomists, we are indebted for epoch-making researches of the same kind.Advertisement
- From the preceding discussion an idea may be formed of the primitive characters of the Phylum (From Gegenbaur.) FIG.
- C. Gegenbaur placed the two genera in a division of Vermes which he called Solenogastres.
- Ray Lankester (preface to the English edition of C. Gegenbaur's Comparative Anatomy), and employed by the same writer in the 9th edition of this encyclopaedia (article "Zoology") to denote the eighth phylum, or major division, of coelomate animals.
- For the history of the abbey see Gegenbaur, Das Kloster Fulda irn Karolinger Zeitalter (Fulda, 1871-1874); Arndt, Geschichte des Hochstifts Fulda (Fulda, 1860); and the Fuldaer Geschichtsblatter (1902 fol.).
- The mouth leads into the (From Gegenbaur.) spacious stomach containing a, Marginal lappets hiding tenthe four conspicuous horse taculocysts.Advertisement
- (From Gegenbaur.) Much simplified from a coloured plate in Results of the " Albatross" Expedition, Museum of Comparative Zoology, Cambridge, Mass., U.S.A.
- 2 The three metatarsals in the penguins are not, as in other birds, united for the whole of their length, but only at the extremities, thus preserving a portion of their originally distinct existence, a fact probably attributable to arrest of development, since the researches of C. Gegenbaur show that the embryos of all birds, so far as is known, possess these bones in an independent condition.
- But C. Gegenbaur's (32) interpretation may be regarded as final.