Science, Том 18American Association for the Advancement of Science, 1891 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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... species of bacteria have been used for inoculation , not only well - known species like B. prodigiosus , B. megaterium , Proteus , etc. , but many species freshly isolated from water , sewage , the sand of nitrifying filter tanks , and ...
... species of bacteria have been used for inoculation , not only well - known species like B. prodigiosus , B. megaterium , Proteus , etc. , but many species freshly isolated from water , sewage , the sand of nitrifying filter tanks , and ...
Стр. 97
... species . If the plan of the present publication be carried out , it will include descriptions of all genera and species recorded from the Cincinnati formation . The present , the first part , treats of Planta and Protozoa . The author ...
... species . If the plan of the present publication be carried out , it will include descriptions of all genera and species recorded from the Cincinnati formation . The present , the first part , treats of Planta and Protozoa . The author ...
Стр. 105
... species in which the number has been counted . The group of Clupeidae is probably nearer the primi- tive stock of Isospondyli than the salmon are . This group is essentially northern in its distribution , but a considerable number of ...
... species in which the number has been counted . The group of Clupeidae is probably nearer the primi- tive stock of Isospondyli than the salmon are . This group is essentially northern in its distribution , but a considerable number of ...
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