First Book of ZoölogyD. Appleton and Company, 1876 - 190 pagini |
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Pagina 11
... CLOSED BY OPERCULUM , 0 . he will observe that they do not come to the surface to breathe air . Instead of a lung , the snail has a cavity containing an organ , or part , called the gill , by means of which it is capable of getting from ...
... CLOSED BY OPERCULUM , 0 . he will observe that they do not come to the surface to breathe air . Instead of a lung , the snail has a cavity containing an organ , or part , called the gill , by means of which it is capable of getting from ...
Pagina 13
... CLOSED BY OPERCULUM , 0 . he will observe that they do not come to the surface to breathe air . Instead of a lung , the snail has a cavity containing an organ , or part , called the gill , by means of which it is capable of getting from ...
... CLOSED BY OPERCULUM , 0 . he will observe that they do not come to the surface to breathe air . Instead of a lung , the snail has a cavity containing an organ , or part , called the gill , by means of which it is capable of getting from ...
Pagina 14
... closed the aperture tightly when the snail contracted within the shell . He has also learned that the shells grow in size by suc- cessive additions of limy matter deposited around the free border of the aperture , and that the delicate ...
... closed the aperture tightly when the snail contracted within the shell . He has also learned that the shells grow in size by suc- cessive additions of limy matter deposited around the free border of the aperture , and that the delicate ...
Pagina 36
... closed , a string has to be tied around them , and in this condition , if the ligament is allowed to dry , the valves will then remain closed . From this it is evident that the ligament acts upon the valves to draw them apart . To keep ...
... closed , a string has to be tied around them , and in this condition , if the ligament is allowed to dry , the valves will then remain closed . From this it is evident that the ligament acts upon the valves to draw them apart . To keep ...
Pagina 42
... closed , the rubber is squeezed , and the tendency would , of course , be for the rubber , in ex- panding , to again push the door open . That it requires a continual effort for the clam to keep the valves closed , is seen in the fact ...
... closed , the rubber is squeezed , and the tendency would , of course , be for the rubber , in ex- panding , to again push the door open . That it requires a continual effort for the clam to keep the valves closed , is seen in the fact ...
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Termeni și expresii frecvente
abdomen adductor animals antennæ aperture appearance appendages attached beetle bivalve body bones breathe air butterfly called Canker-worm caterpillar cephalo-thorax chrysalis clam collected common compound eyes crab crawfish crawling creature creeping disk Crown 8vo crustaceans Demy 8vo deposit edge eggs ELYTRON eyes Fcap following figure foot fresh-water mussels fresh-water snails gills grasshopper hatch head Henry hind-leg hind-wings humerus Illustrations incurrent orifices insects International Scientific Series jaws jointed King and Co.'s labium land snails larva larvæ Let the pupils ligament LL.D lobster magnified mandibles mantle maxillæ metacarpus metatarsus moults mouth mouth-parts muscles mussel myriapods number of segments operculum pairs of legs POEMS portion Post 8vo Prof Professor protruded salamander Second Edition seen separate shell showing side siphon skin species specimens spiders spinnerets studied tarsus tentacles Third Edition thorax thread true insects tube valves vertebral vertebral column vols wings worms young
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Pagina 159 - Vera." 2 vols. Fifth Edition. Cloth, gilt tops, I2j. *„* Also a Cheaper Edition in i vol. With Frontispiece. Crown 8vo. Cloth, price 6s. BLU ME (Major W.). The Operations of the German Armies in France, from Sedan to the end of the war of 187071. With Map. From the Journals of the Head-quarters Staff. Translated by the late EM Jones, Maj.
Pagina 187 - YOUMANS (Eliza A.). An Essay on the Culture of the Observing Powers of Children, especially in connection with the Study of Botany. Edited, with Notes and a Supplement, by Joseph Payne, FCP, Author of " Lectures on the Science and Art of Education,
Pagina 163 - CONWAY (Moncure D.). Republican Superstitions. Illustrated by the Political History of the United States. Including a Correspondence with M. Louis Blanc. Crown 8vo. Cloth, price 5$.
Pagina 178 - A Legal Handbook for Architects, Builders, and Building Owners. Second Edition Revised. Crown 8vo. Cloth, price 6s. JENKINS (Rev. RC), MA The Privilege of Peter and the Claims of the Roman Church confronted with the Scriptures, the Councils, and the Testimony of the Popes themselves. Fcap. 8vo. Cloth, price 3*.
Pagina 171 - HAECKEL (Prof. Ernst) — THE HISTORY OF CREATION. Translation revised by Professor E. RAY LANKESTER, MA, FRS With Coloured Plates and Genealogical Trees of the various groups of both plants and animals. 2 vols. Second Edition. Post 8vo. cloth, price 32*.
Pagina 159 - VI. On the Conservation of Energy. By Balfour Stewart, MA, LL.D., FRS With 14 Illustrations. Sixth Edition. Crown 8vo, 5*. VII. Animal Locomotion ; or Walking, Swimming, and Flying. By JB Pettigrew, MD, FRS, etc. With 130 Illustrations.
Pagina 171 - HARCOURT (Capt. AFP). The Shakespeare Argosy. Containing much of the wealth of Shakespeare's Wisdom and Wit, alphabetically arranged and classified. Crown 8vo. Cloth, price 6s.
Pagina 181 - Cloth, price 3$. 6d. SMITH (Edward), MD, LL.B., FRS Health and Disease, as Influenced by the Daily, Seasonal, and other Cyclical Changes in the Human System.
Pagina 162 - The Principles of Mental Physiology. With their Applications to the Training and Discipline of the Mind, and the Study of its Morbid Conditions.
Pagina 162 - WORLD : a Simple Account of Man in Early Times. Sixth Edition. Crown 8vo. price y. A Special Edition for Schools. Price is. THE CHILDHOOD OF RELIGIONS. Including a Simple Account of the Birth and Growth of Myths and Legends.