A manual of zoologyWilliam Blackwood & Sons, 1878 |
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Página xv
... Reproductive organs - Nervous system and organs of sense - Dis- tribution of Birds in time , . 549-570 CHAPTER LXV . General divisions of the class Aves - Characters and families of the Cursores , CHAPTER LXVI . 570-577 Characters and ...
... Reproductive organs - Nervous system and organs of sense - Dis- tribution of Birds in time , . 549-570 CHAPTER LXV . General divisions of the class Aves - Characters and families of the Cursores , CHAPTER LXVI . 570-577 Characters and ...
Página 8
... reproductive apparatus , and even organs of vision . Repeated experiments , however , have shown the remarkable fact that , with their aquatic habits and complex organisation , the Roti- fers are capable of submitting to an apparently ...
... reproductive apparatus , and even organs of vision . Repeated experiments , however , have shown the remarkable fact that , with their aquatic habits and complex organisation , the Roti- fers are capable of submitting to an apparently ...
Página 18
... reproductive functions . - b . Morphological Type . The first point in which one . animal may differ from another is the degree to which the principle of the physiological division of labour is carried . 18 MANUAL OF ZOOLOGY .
... reproductive functions . - b . Morphological Type . The first point in which one . animal may differ from another is the degree to which the principle of the physiological division of labour is carried . 18 MANUAL OF ZOOLOGY .
Página 26
... reproductive organs , though they are otherwise undistinguish- able ( Darwin ) . Similar cases are known in animals , but in them the differences , though apparently connected with repro- duction , are not confined to the reproductive ...
... reproductive organs , though they are otherwise undistinguish- able ( Darwin ) . Similar cases are known in animals , but in them the differences , though apparently connected with repro- duction , are not confined to the reproductive ...
Página 33
... reproductive organs , and is destined for the per- petuation of the species . In the former case the produced zooids all resembled each other , and the parent organism which gave rise to them ; in the latter case , the produced C zoöids ...
... reproductive organs , and is destined for the per- petuation of the species . In the former case the produced zooids all resembled each other , and the parent organism which gave rise to them ; in the latter case , the produced C zoöids ...
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Outras edições - Ver tudo
Manual of Zoology ...: With a General Introduction on the Principles of Zoology Henry Alleyne Nicholson Pré-visualização indisponível - 2015 |
Palavras e frases frequentes
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