Record of my life-work in entomology [by] C. R. Osten-Sacken.

"Introduction was first printed as a separate pamphlet by the Cambridge (England) university press, and was dated January 30, 1901. This second edition is a reprint of the first, and the principal change introduced consists in the mode of reference to the chapters ... which ... appear now collected in pt. II."

Part 3 issued separately, published at Heidelberg.

pt. 1. Introduction.-pt. 2. Twenty-four chapters on historical, biographical, critical, and purely entomological subjects connected with my work.-pt. 3. List of my entomological publications from 1854-1904.