tricocephalus

These spots, when examined by the microscope, were found to contain some of the eggs of the tricocephalus.

Scientific American Supplement, No. 415, December 15, 1883 Various

The _tricocephalus dispar_ is a third variety of the round worm, and is said to infest the bodies of almost every species of mammalia.

The People's Common Sense Medical Adviser in Plain English or, Medicine Simplified, 54th ed., One Million, Six Hundred and Fifty Thousand Ray Vaughn Pierce 1877