 | American Association for the Advancement of Science - 1877 - 912 pages
...had very small brains, and in some forms this organ was proportionally less than in certain Reptiles. There was a gradual increase in the size of the brain during this period, and it is interesting to find that this growth was mainly confined to the cerebral hemispheres, or higher... | |
 | 1876 - 862 pages
...Tertiary to the present tune, may be briefly stated thus: 1. All tertiary mammals had small brains. 2. There was a gradual increase in the size of the brain during this period. 3. This increase was mainly confined to the cerebral hemispheres. 4. In some groups the convolutions... | |
 | 1876 - 800 pages
...conclusions reached may be briefly stated as follows : First, all tertiary mammals had small brains ; second, there was a gradual increase in the size of the brain during this period; third, this increase was mainly confined to the cerebral hemispheres, or higher portion of the brain... | |
 | Othniel Charles Marsh - 1877 - 76 pages
...very 55 small brains, and in some forms this organ was proportionally less than in certain Reptiles. There was a gradual increase in the size of the brain during this period, and it is interesting to find that this growth was mainly confined to the cerebral hemispheres, or higher... | |
 | 1877 - 804 pages
...Tertiary to the present time, may be briefly stated thus: 1. All tertiary mammals had small brains. 2. There was a gradual increase in the size of the brain during this period. 8. This increase was mainly confined to the cerebral hemispheres. 4. In some groups the convolutions... | |
 | American Association for the Advancement of Science - 1878 - 476 pages
...had very small brains, and in some forms this organ was proportionally less than in certain Reptiles. There was a gradual increase in the size of the brain during this period, and it is interesting to find that this growth was mainly confined to the cerebral hemispheres, or higher... | |
 | American Association for the Advancement of Science - 1879 - 1100 pages
...law, as I have briefly stated it elsewhere : "All Tertiary mammals had small brains. There was, also, a gradual increase in the size of the brain during this period. This increase was con fined mainly to the cerebral hemispheres, or higher portions of the brain. In... | |
 | 1879 - 546 pages
...law, as I have briefly stated it elsewhere : " All Tertiary mammals had small brains. There was, also, a gradual increase in the size of the brain during this period. This increase was confined mainly to the cerebral hemispheres, or higher portions of the brain. In... | |
 | 1885 - 532 pages
...28. - -Skull of Platygmus compressus, LeConte. Pliocene. 1. All Tertiary mammals had small brains. 2. There was a gradual increase in the size of the brain during this period. 3. This increase was confined mainly to the cerebral hemispheres, or higher portion of the brain. 4.... | |
 | American Association for the Advancement of Science - 1880 - 672 pages
...law, as I have briefly stated it elsewhere : "All Tertiary mammals had small brains. There was, also, a gradual increase in the size of the brain during this period. This increase was confined mainly to the cerebral hemispheres, or higher portions of the brain. In... | |
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There was a gradual increase in the size of the brain during this period, and... 
