A manual of zoologyWilliam Blackwood & Sons, 1878 - Zoology |
From inside the book
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Page vi
... Polyzoa and Brachiopoda would be met with in the " Vermes , " in the immediate neighbourhood of the Annelides ; and in looking for the Tunicates he would either have to direct his search to the group just mentioned , or he might even ...
... Polyzoa and Brachiopoda would be met with in the " Vermes , " in the immediate neighbourhood of the Annelides ; and in looking for the Tunicates he would either have to direct his search to the group just mentioned , or he might even ...
Page xiii
... Polyzoa - Distinctions between the Polyzoa and Hy- drozoa - Polypide of the Polyzoa - Anatomy of the Polyzoa- Reproduction and development - Divisions of the Polyzoa- Affinities of the Polyzoa - Distribution of the Polyzoa in space ...
... Polyzoa - Distinctions between the Polyzoa and Hy- drozoa - Polypide of the Polyzoa - Anatomy of the Polyzoa- Reproduction and development - Divisions of the Polyzoa- Affinities of the Polyzoa - Distribution of the Polyzoa in space ...
Page 21
... , nevertheless pre- sent a singular , and sometimes extremely close , resemblance in their external characters . Thus the composite Hydroid Polypes and the Polyzoa are singularly like one another- so HOMOLOGY AND ANALOGY . 21.
... , nevertheless pre- sent a singular , and sometimes extremely close , resemblance in their external characters . Thus the composite Hydroid Polypes and the Polyzoa are singularly like one another- so HOMOLOGY AND ANALOGY . 21.
Page 22
Henry Alleyne Nicholson. Polypes and the Polyzoa are singularly like one another- so much so , that they have often been classed together ; whereas , in reality , they belong to different sub - kingdoms . Many other cases of this ...
Henry Alleyne Nicholson. Polypes and the Polyzoa are singularly like one another- so much so , that they have often been classed together ; whereas , in reality , they belong to different sub - kingdoms . Many other cases of this ...
Page 33
... Polyzoa , which is in some respects intermediate between ordinary discontinuous gemma- tion and alternation of generations . These organisms are nearly allied to the sea - mat , already spoken of , and , like it , can reproduce ...
... Polyzoa , which is in some respects intermediate between ordinary discontinuous gemma- tion and alternation of generations . These organisms are nearly allied to the sea - mat , already spoken of , and , like it , can reproduce ...
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Other editions - View all
Manual of Zoology ...: With a General Introduction on the Principles of Zoology Henry Alleyne Nicholson No preview available - 2015 |
Common terms and phrases
abdomen adult alimentary canal ambulacral amongst animal Annelides antennæ anus aperture appendages Arachnida articulated attached birds bivalve body bones Brachiopoda branchiæ branchial calcareous carapace cavity cephalothorax chitinous ciliated composed comprising consists contractile Crustacea Ctenophora developed disc distinct division dorsal embryo Eocene external extinct extremity feet females fins fishes Foraminifera fossil furnished gemmation genera genus gills head horny Huxley Hydrozoa incisors Insects integument intestine known labium larva larvæ legs limbs living locomotive males Mammals mandibles margin maxillæ membrane molars Mollusca mouth nervous system operculum organs ovum Owen pairs Paleozoic parasitic placed plates polypide polypites Polyzoa portion possess posterior present regarded reproductive Reptiles resembling respiratory Rotifera rudimentary Scolecida segments shell side Silurian single skeleton sometimes somites species spines stomach structure sub-order surface tail teeth tentacles termed thorax toes transverse tube upper usually valves ventral Vertebrates vesicle whilst wings Zoantharia zooids