Proceedings of the American Academy of Arts and Sciences, 20권American Academy of Arts and Sciences., 1885 |
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176 페이지
... limestone ; 2. Granular quartz ; 3. Magnesian slate ; 4. Sparry limestone ; and 5. Taconic slate . Insisting more especially on the " liability to mis- take some of the slates and limestones for those which belong to other systems ...
... limestone ; 2. Granular quartz ; 3. Magnesian slate ; 4. Sparry limestone ; and 5. Taconic slate . Insisting more especially on the " liability to mis- take some of the slates and limestones for those which belong to other systems ...
179 페이지
... limestone . This is the marble of Berkshire County , Massachusetts , which extends from the State of Vermont to Georgia . The Stockbridge limestone is succeeded by a mass of slate of great thickness , the upper part of which is suitable ...
... limestone . This is the marble of Berkshire County , Massachusetts , which extends from the State of Vermont to Georgia . The Stockbridge limestone is succeeded by a mass of slate of great thickness , the upper part of which is suitable ...
185 페이지
... limestone . ' Now , it is well known that the ' alum slates ' of Sweden constitute the Primordial Zone , or Angelin's Regiones A , B , and also that they underlie the Orthoceratite lime- stone . ' " Emmons is the man who actually made ...
... limestone . ' Now , it is well known that the ' alum slates ' of Sweden constitute the Primordial Zone , or Angelin's Regiones A , B , and also that they underlie the Orthoceratite lime- stone . ' " Emmons is the man who actually made ...
187 페이지
... the Proceedings is 24 December , 1860. So copy or copies were sent , without my knowledge , to Montreal , as early at least as the 19th of December . " I beg to state that the limestone at the OF ARTS AND SCIENCES . 187.
... the Proceedings is 24 December , 1860. So copy or copies were sent , without my knowledge , to Montreal , as early at least as the 19th of December . " I beg to state that the limestone at the OF ARTS AND SCIENCES . 187.
188 페이지
" I beg to state that the limestone at the top of the fall at Mont- morency is Trenton limestone , and full of fossils . I have collected a good many there myself . I did not examine the rocks at the foot of the fall , as I had no idea ...
" I beg to state that the limestone at the top of the fall at Mont- morency is Trenton limestone , and full of fossils . I have collected a good many there myself . I did not examine the rocks at the foot of the fall , as I had no idea ...
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Abdomen abdominal appendages Acad acetic acetic acid acid acute Antennæ anthracene appears areola Astacus Barrande base Bentham blastodisc blastomeres border Boston bracts branches broad California calyx Cambarus Cambridge carapace cells Cephalothorax cervical groove chela ciliate cleavage cleavage-plane collected corolla difference of potential Dikelocephalus dorsal Emmons entoderm Eritrichium faune feet flowers foliis fossils fruit genera genus glabrous Graptolites Gray gynobasi Hagen inches long lateral leaflets leaves length less limestone lines long lobes longis Magn male margin maxillipeds median Mountains nearly nuclei Nuculæ nutlets oblong observations Olenus ovum pair of legs papillæ Paradoxides pedicels periblast petioles plate Point Lévis posterior Potsdam precipitate Primordial fauna Proc pubescent punctate ring River rostrum sæpius sandstone schists second fauna segment sepals short side Silurian slates slender somites species specimens spermogonia spines stars superficial tension surface Taconic system telson third tion Trilobites tube upper ventral