The New Encyclopaedia Britannica, Volumes 1-10Encyclopaedia Britannica, 1974 - Reference [1] Propaedia: outline of knowledge and guide to the Britannica.--[2]-[11] Micropaedia: ready reference and index.--[12]-[30] Macropaedia: knowledge in depth. |
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Page 138
... Priapulids are warty and superficially ( externally ) ringed , or seg- mented ; the largest are about eight centimetres ( about three inches ) long . Distribution and abundance . Nematoda , the largest class , comprises some 13,000 ...
... Priapulids are warty and superficially ( externally ) ringed , or seg- mented ; the largest are about eight centimetres ( about three inches ) long . Distribution and abundance . Nematoda , the largest class , comprises some 13,000 ...
Page 139
... Priapulids bury themselves in the soft bottom mud of the sea at depths as great as 500 metres ( over 1,600 feet ) . Food . Aschelminths generally feed on small particles , such as bacteria , protozoans , and organic detritus ; but many ...
... Priapulids bury themselves in the soft bottom mud of the sea at depths as great as 500 metres ( over 1,600 feet ) . Food . Aschelminths generally feed on small particles , such as bacteria , protozoans , and organic detritus ; but many ...
Page 141
... priapulids differs from that of other aschelminths in having both circular and longitudinal muscles covered externally by a thin layer of longitudinal muscles and internally by an epidermis and a spiny cuti- cle . The esophagus leads ...
... priapulids differs from that of other aschelminths in having both circular and longitudinal muscles covered externally by a thin layer of longitudinal muscles and internally by an epidermis and a spiny cuti- cle . The esophagus leads ...
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The New Encyclopaedia Britannica, Volumes 1-10 Encyclopaedia Britannica Publishers, Inc. Staff No preview available - 1974 |
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19th century aesthetic ancient areas armour army arthropods artiodactyls artists aschelminths Asia Asian Assam Asterales astronomical atheism Athens atheriniforms Atlantic atmosphere atoms Basin beryciforms Cenozoic Central centre China climate countries criticism culture early Earth East economic effect electrons elements energy exosphere Finland forces forest fossil France function galaxies Games gases gastrotrichs German Greek groups Gt.Brit heterosphere Hittite homosphere hydrogen important increase India Indonesia industrial Italy Japan kilometres layer lines literature mass ment metres miles military modern molecules mountain North occur Ocean Olympic orbit organization original oxygen painting particles percent period planets Pleistocene political population priapulids produced radiation radio range region religion result rotifers Siberia social society solar South Southeast Southeast Asia southern Soviet species spectra spectrum stars structure style surface Sweden temperature theory tion tradition ture types usually wavelengths western zone