与 «CHAETOPOD»相关的英语书籍
在以下的参考文献中发现
chaetopod的用法。与
chaetopod相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Geological Survey Professional Paper
A few unidentifiable pelecypods and the chaetopod worth Ditrupa cornu Imlay
are found in the lower sandstones. Ditrupa is common in the middle and late
Albian beds farther west, but is also found in Neocomian beds on
STRATIGRAPHY 29 ...
Geological Survey (U.S.), 1975
2
History of the Study of Landforms: Or The Development of ...
... Mythology yields, and Zoology tells us in definite terms That the Nereids no
more are sea-nymphs, but chaetopod worms Nasty chaetopod annelids, armed
with jaws, O alas and alackl With protusible pharynx and tentacles slimy and gills
on ...
Richard J. Chorley, Robert Percy Beckinsale, Antony J. Dunn, 1973
3
The Encyclopædia Britannica: a dictionary of arts, sciences, ...
A similar constitution of the body is more clearly seen in the Chaetopod worms. In
tne Vcrtebrata also a repetition oi units of structure (myotomes, vertebrae, &c.) —
which isessentially of the same nature as the repetition in Arthropods and ...
Hugh Chisholm, James Louis Garvin, 1926
4
Proceedings of the Royal Society of Edinburgh
follow from before backwards along the primary axis as normally as in any
chaetopod larva, and apart from the fact that the metameres are perhaps bent
upon themselves, their inter-relationships are unaltered in the adult. The B1-ac/
Liopoda ...
The correspondence between a Chaetopod turned over, and say a fish, is very
complete. On the upper side (ventral in Chaetopod's natural position) is the
double nerve-cord ; so also in the fish. In the axis is the intestine. Above the
intestine in ...
Royal Society of Edinburgh, 1886
6
The Story of the Encyclopaedia Britannica, 1768-1943
represented by the genital duct. There is usually a penis in the male. movement.
The “ introvert " in these Gastropods is not the pha nx ry limit being formed by the
true lips and jaws, whilst the apical limit of the Chaetopod's introvert is formed by
...
7
The Encyclopaedia Britannica: A Dictionary of Arts, ...
... possessing identical parts and organs whic may be larger or smaller. modified
in shape or altogether suppressed in one somite as compared with another. A
similar constitution of the body is more clearly seen in the Chaetopod worms.
8
Studies from the Morphological Laboratory in the University ...
The structure of the first four nephridia in the male D. taeniatus, or of all five
nephridia in the female, is obviously comparable with that of the head-kidney of a
Chaetopod larva. In this connection the figures given by Ed. Meyer (11) of the
larval ...
University of Cambridge. Morphological Laboratory, 1890
One mystery at Kristineberg is that while many chaetopod worms live in the
bottom ooze their swimming larva} appear but rarely in the plankton. On the other
hand some forms occur at times in such masses as to make the water thick. Here,
as ...
10
The Philosophy of Biology
Such an animal as a Hydra, or a Planarian or Chaetopod worm, or a starfish, may
be cut into several pieces, and provided that each of these pieces exceeds a
certain minimum of mass, it will regenerate the whole structure of the organism of
...
