Parasites

Free to read here, from Project Gutenberg.

Our insect enemies

Vance Randolph

Parasites: A Treatise on the Entozoa of Man and Animals

T. Spencer Cobbold

Animal Parasites and Messmates

P. J. van Beneden

Metamorphosis

Charles V. De Vet

Strange Exodus

Robert Abernathy

Unwelcome Tenant

Roger D. Aycock

The Little Pets of Arkkhan

Bill Garson

It

Hayden Howard