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1
The Popular Science Review: A Quarterly Miscellany of ...
Under conditions favourable for development, the edges of the disc separate,
and a young polyzoon, in a somewhat advanced stage of growth, emerges and
floats away in the surrounding water. The tentacula alone of the young polyzoon
are ...
James Samuelson, Henry Lawson, William Sweetland Dallas, 1866
2
Proceedings of the Boston Society of Natural History
He figures a Clavalina-like Tunicate, and a Plumatella-like Polyzoon; in his
relative comparisons he has placed figures cf the two side by side in the natural
position in which they are found. The longitudinal diameter in both is a line drawn
from ...
Boston Society of Natural History, 1865
3
Proceedings of the Boston Society of Natural History
be supposed, however, that the veliger can be traced back to any existing form of
Polyzoon, or even to any Order of this Class. In some respects its affinities are
with the Hippocrepia, in others they are with the Cheilostomata, and in still others
...
4
Monograph of the Fresh-water-polyzoa, including all the ...
This is the first recorded discovery of a fresh-water Polyzoon. Trembley
communicated his discovery to Reaumur and Bernard de Jussieu ; and these
celebrated naturalists detected the statoblasts, which they took for eggs, and
observed the ...
George-James Allman, 1856
5
Studies from the Biological Laboratory
It is only necessary to glance at the side view of any fully developed Veliger, such
as Selenka's figure of Tergipes, in order to notice the resemblance to a Polyzoon,
and more careful examination shows that the resemblance holds not only in ...
Johns Hopkins University. Biological Laboratory, Henry Newell Martin, William Keith Brooks, 1879
He figures a Clavalina-like Tunicate, and a Plumatella-like Polyzoon ; in his
relative comparisons he has placed figures cf the two side by side in the natural
position in which they are found. The longitudinal diameter in both is a line drawn
from ...
The peculiar idea entertained by this able physiologist is, that the lophophore of a
Hippocrepian Polyzoon is the homologne of the ventral branchial channel of the
Ascidian, and that the tentacles of the former correspond to the transverse or ...
8
Desciptive Zoological Classification
Polyzoon. 237. F1gure 4. Plan of Polyzoon, from Bronn's ' Klassen und
Ordnungen des Thierreichs/ iii. 1, Taf. xviii., fig. 1, after Allman, ' Freshwater
Polyzoa/ figs. 1 and 2, p. J, fig. 8, P-45- The animal is figured as it is seen when
its lophophore, ...
9
Proceedings of the Zoological Society of London
Similarly, we regard the dense, stony, multi- laminate Polyzoon from Cape
Blanco as specifically distinct from the slender, thinly encrusting C. l-acroixii, the
modified character — if we may adopt the neo-Lamarckian line of thought —
having ...
Zoological Society of London, 1922
10
A Synopsis of American Fossil Bryozoa, Including ...
Notice of a new Polyzoon (Hippururia Egcrtoni). (Proc. Zool. Soc. London, 1874,
pp. 29-30, 1 pi.) On Clavopora hystrieis. a new Polyzoon belonging to the family
Halcyonellete. (Quar. Jour. Micro. Sci. [n. s.,] XIV, 1874, pp. 261-262, pi. ix.) ...
John Milton Nickles, Ray Smith Bassler, 1900
