 | National Academy of Sciences (U.S.) - 1913 - 456 pages
...initial publications appeared, at the age of twentytwo, in the year 1845 in the Proceedings of the Academy of Natural Sciences of Philadelphia and of the Boston Society of Natural History, covering3 new species of fossil shells from New Jersey, b the microscopic examination of a vertebra... | |
 | National Academy of Sciences (U.S.) - 1913 - 460 pages
...initial publications appeared, at the age of twentytwo, in the year 1845 in the Proceedings of the Academy of Natural Sciences of Philadelphia and of the Boston Society of Xatural History, covering" new species of fossil shells from New Jersey,6 the microscopic examination... | |
 | Henry Fairfield Osborn - 1878 - 594 pages
...initial publications appeared, at the age of twentytwo, in the year 1845 in the Proceedings of the Academy of Natural Sciences of Philadelphia and of the Boston Society of Xatural History, covering" new species of fossil shells from New Jersey,* 1 the microscopic examination... | |
| |
... continued to pursue his studies in comparative anatomy, for which his practice left him ample time, and also acted as prosector to the eminent Dr. Horner, professor of anatomy at the university. Leidy's initial publications appeared, at the age of... 