Here are entered general and comprehensive works on animals injurious and beneficial to man in agriculture, the industrial arts, etc., and works on the extermination of wild animals, venomous snakes, etc.
--subdivision Abnormalities under individual animals and groups of animals and individual organs and regions of the body, e.g. Cattle--Abnormalities; Fishes--Abnormalities; Heart--Abnormalities; and subdivision Spermatozoa--Abnormalities under individual animals and groups of animals, e.g. Cattle--Spermatozoa--Abnormalities; Fishes--Spermatozoa--Abnormalities
Here are entered works on the principles of structure in the animal kingdom. General comparative works on animal anatomy and morphology are entered under Anatomy, Comparative. --subdivision Morphology under individual animals and groups of animals, e.g. Fishes--Morphology; and subdivision Spermatozoa--Morphology under individual animals and groups of animals, e.g. Cattle--Spermatozoa--Morphology; Fishes--Spermatozoa--Morphology