The American Journal of Science and ArtsS. Converse, 1888 - Geology |
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Page 70
... genera Diplurus Newb . , Ischyp- terus Egt . ( 18 species ) , Catopterus Redf . ( 5 species ) , Ptycholepis Ag . ( 1 sp . ) , Dictyopyge Egt . ( 1 sp . ) , and Acentrophorus Trag . ( 1 sp . ) The Diplurus was a colacanth 3 feet long ...
... genera Diplurus Newb . , Ischyp- terus Egt . ( 18 species ) , Catopterus Redf . ( 5 species ) , Ptycholepis Ag . ( 1 sp . ) , Dictyopyge Egt . ( 1 sp . ) , and Acentrophorus Trag . ( 1 sp . ) The Diplurus was a colacanth 3 feet long ...
Page 75
... genera of this order may be ar- ranged to constitute a descending scale of degradation . At cer- tain points where systematic Botany is in doubt , the gaps may be bridged over in this family by comparative histology . The group of ...
... genera of this order may be ar- ranged to constitute a descending scale of degradation . At cer- tain points where systematic Botany is in doubt , the gaps may be bridged over in this family by comparative histology . The group of ...
Page 76
... genera , and orders , of which only imperfect specimens are known . B. Researches on the origin and development of canals and receptacles for secretions ; by A. LEBLOIS . ( Ann . Sci . Nat . ser . VII , vi , p . 247. - This subject is ...
... genera , and orders , of which only imperfect specimens are known . B. Researches on the origin and development of canals and receptacles for secretions ; by A. LEBLOIS . ( Ann . Sci . Nat . ser . VII , vi , p . 247. - This subject is ...
Page 122
... Genera แ New Genera Species New Species . Species founded on leaves , fruits , etc. internal structure . occurring elsewhere ( identical ) - 1 19 11 19 29 1 80 3 2 7 19 31 CORO C 3 139 28 112 76 12 370 2 133 26 105 76 12 354 3 139 28 ...
... Genera แ New Genera Species New Species . Species founded on leaves , fruits , etc. internal structure . occurring elsewhere ( identical ) - 1 19 11 19 29 1 80 3 2 7 19 31 CORO C 3 139 28 112 76 12 370 2 133 26 105 76 12 354 3 139 28 ...
Page 123
... genera occur , but two of the remainder either present only an accidental resem- blance or there has been a mistake in their generic reference . Oolite . - Six Oolite beds contain analogous forms to those of the Potomac These are : 1 ...
... genera occur , but two of the remainder either present only an accidental resem- blance or there has been a mistake in their generic reference . Oolite . - Six Oolite beds contain analogous forms to those of the Potomac These are : 1 ...
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