 | 1852 - 446 페이지
...ON THE TRACES Or VEGETATION IN COAL. AT the Boston Natural History Society, August, Mr. Teschemacher stated the results of his study respecting the traces...indispensable. I believe, however, that the investigation of the former branch, hitherto almost untouched, will lead to by .far the most interesting results. One... | |
 | 1852 - 460 페이지
...ON THE TRACES OF VEGETATION IN COAL. AT the Boston Natural History Society, August, Mr. Teschemaeher stated the results of his study respecting the traces...indispensable. I believe, however, that the investigation of the former branch, hitherto almost untouched, will lead to by far the most interesting results. One... | |
 | 1878 - 916 페이지
...work on the subject. RECENT RESEARCHES ON THE NERVOUS SYSTEM OF THE HYDROZOA.'2 — The work before us is one of the most important contributions to our knowledge of the nervous system of the pelagic Medusa; that has ever appeared. The investigations were principally confined... | |
 | 1913 - 482 페이지
...students of the subject. Mr. Cosens' work throws considerable light on these interesting problems and is one of the most important contributions to our knowledge of the morphology of galls that has ever been published. The greater part of the work is devoted to descriptions... | |
 | 1878 - 882 페이지
...work on the subject. RECENT RESEARCHES ON THE NERVOUS SYSTEM OF THE HYDROZOA. 2 —The work before us is one of the most important contributions to our knowledge of the nervous system of the pelagic Medusae that has ever appeared. The investigations were principally confined... | |
 | 1899 - 476 페이지
...and Aitken, on Bombay butterflies. This paper which appears in volumes x and xl of the Bombay journal is one of the most important contributions to our knowledge of the early stages of tropical butterflies that have appeared in recent years. It is accompanied by eight... | |
 | Francis Gano Benedict, Thorne Martin Carpenter - 1910 - 284 페이지
...and Tigerstedt, undertaken primarily on the grounds of hygiene in connection with school ventilation, is one of the most important contributions to our knowledge of the carbon-dioxide excretion that has ever been made. Unquestionably the results of the Scandinavian investigators... | |
 | 1913 - 250 페이지
...India, 1911. By Denys Bray, ICS Vol. II., Baluchistan, 444 Part I. and II. Price, 4t. 6rf. Ill This is one of the most important contributions to our knowledge of the sociology of India published since the late Sir Denzil Ibbetson's classic report on the Punjab Census... | |
 | 1913 - 500 페이지
...India, 1911. By Deuys Bray, ICS Vol. II., Baluchistan, 444 Part I. and II. Price, 4s. 6d. Ill This is one of the most important contributions to our knowledge of the sociology of India published since the late Sir Denzil Ibbetson's classic report on the Punjab Census... | |
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Teschemaeher stated the results of his study respecting the traces of vegetation in coal. This communication, given below, is one of the most important contributions to our knowledge of the character and composition of coal ever laid before the public.... 