The biologic origin of mental variety, or How we came to have minds
By: by Herbert Nichols
Publisher: [publisher not identified]
Published: 1896
Place of publication: Salem, Mass.]
Language: eng
Number of pages: 975
Subjects: Evolutionary psychology; Psychology
Other titles: Biologic origin of mental variety; How we came to have minds
Notes: Offprint. Originally published: Salem, Mass: The American naturalist, vol. 30 (Dec. 1986)-Jan 1st (1897).

Nos. 6 in a volume of 39 pamphlets.