Induction and deduction.
Inheritance of acquired characters.
Insects, intelligence of.
Interamniotic cavity, the.
Intestines, the.
Invagination.
Iris, the.
Jacchus.
Java, ape-man of.
Jaws, evolution of the.
Induction and deduction.
Inheritance of acquired characters.
Insects, intelligence of.
Interamniotic cavity, the.
Intestines, the.
Invagination.
Iris, the.
Jacchus.
Java, ape-man of.
Jaws, evolution of the.