General Zoölogy: Practical, Systematic and Comparative; Being a Revision and Rearrangement of Orton's Comparative ZoölogyAmerican book Company, 1903 - Всего страниц: 512 |
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Стр. 36
... Lobster Live specimens of the former may be kept indefinitely in aquarium jars containing algæ and supplied at intervals with a few crumbs or fragments of beef or fish . Aquarium Study . Watch their movements when walking and swimming ...
... Lobster Live specimens of the former may be kept indefinitely in aquarium jars containing algæ and supplied at intervals with a few crumbs or fragments of beef or fish . Aquarium Study . Watch their movements when walking and swimming ...
Стр. 37
... Lobster Live specimens of the former may be kept indefinitely in aquarium jars containing algæ and supplied at intervals with a few crumbs or fragments of beef or fish . • Aquarium Study . Watch their movements when walking and 36 ...
... Lobster Live specimens of the former may be kept indefinitely in aquarium jars containing algæ and supplied at intervals with a few crumbs or fragments of beef or fish . • Aquarium Study . Watch their movements when walking and 36 ...
Стр. 37
... Lobster Live specimens of the former may be kept indefinitely in aquarium jars containing algae and supplied at intervals with a few crumbs or fragments of beef or fish . - Aquarium Study . Watch their movements when walking and 36 ...
... Lobster Live specimens of the former may be kept indefinitely in aquarium jars containing algae and supplied at intervals with a few crumbs or fragments of beef or fish . - Aquarium Study . Watch their movements when walking and 36 ...
Стр. 38
... lobsters , show- ing the changes undergone at each molting . Try to get specimens of the lobster , showing the re- generation of lost parts , specially the pincers . Call attention to resemblances in structure between earthworm and ...
... lobsters , show- ing the changes undergone at each molting . Try to get specimens of the lobster , showing the re- generation of lost parts , specially the pincers . Call attention to resemblances in structure between earthworm and ...
Стр. 98
... diversity of external form : contrast , for example , a barnacle and a crab . We will select the lobster as illustrative of the entire group . f d . A typical crustacean consists of twenty segments 98 STRUCTURAL AND SYSTEMATIC ZOOLOGY.
... diversity of external form : contrast , for example , a barnacle and a crab . We will select the lobster as illustrative of the entire group . f d . A typical crustacean consists of twenty segments 98 STRUCTURAL AND SYSTEMATIC ZOOLOGY.
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General Zoölogy: Practical, Systematic and Comparative; Being a Revision and ... James Orton,Charles Wright Dodge Недоступно для просмотра - 2018 |
General Zoology: Practical, Systematic and Comparative; Being a Revision and ... James Orton,Charles Wright Dodge Недоступно для просмотра - 2015 |
Часто встречающиеся слова и выражения
abdomen Alcyonaria alimentary canal antennæ artery auricle birds blood vessels bones brain Branch calcareous called capillaries carnivorous cells cephalothorax cerebellum cilia CLASS color consists coral cord corpuscles covered crab crocodile crustaceans cuttlefish developed digestive DODGE'S GEN dorsal eggs embryo epidermis esophagus eyes fibers fins fishes fluid forms frog ganglia gills glands gullet head heart higher animals hind horny hydra insects intestine invertebrates jaws labium larvæ layer legs limbs liver living lobes lobster locomotion lower lungs magnified mammals mandibles mantle maxillæ membrane Metazoa microscopic mollusks mouth muscles muscular nerve nervous system notochord opening Order organs pair plants polyps protoplasm Protozoa quadrupeds reptiles resembling respiration sea urchin segments shell side skeleton skin skull snail species spiders spinal spines sponge starfish stomach structure substance surface tail teeth tentacles thorax tion tissue toes tongue tube upper usually valves ventricle vertebral column vertebrates whale wings worms Zoantharia