Micro-organisms constitute a very antique group of living organisms which appeared on the Earth's surface almost 3000 million years ago.

THIS is a treatise which will be very valuable to the medical investigator of the microscopic intestinal parasites of man—other than those belonging to the great group of Bacteria. Its origin is due ...

THIS volume has been prepared for the use of students who have completed a year's study of zoology and are entering upon an advanced course. The book opens with an admirable introduction to the study ...

Unlock expert insights on coccidiosis prevention in poultry. Understand the latest integrated approaches to protect your ...

Swedish botanist Carl (or Carolus) Linnaeus is, by some measures, the most influential person ever to have lived. He is famous for devising new systems for naming and grouping all living organisms, as ...