oil gland

Origin of oil gland

First recorded in 1825–35

Sever the backbone at the joint, and then you have all the root of the tail, together with the oil-gland, dissected from the body.

Wanderings in South America |Charles Waterton
Perhaps the entire absence of the oil-gland in fantail pigeons may be connected with the great development of their tails.

The Variation of Animals and Plants Under Domestication, Volume II (of 2) |Charles Darwin
Tail expanded, directed upwards, formed of many feathers; oil-gland aborted; body and beak rather short.

The Variation of Animals and Plants Under Domestication, Vol. I. |Charles Darwin
The oil-gland varies in development, and is sometimes quite aborted.

The Variation of Animals and Plants Under Domestication, Vol. I. |Charles Darwin

Nitzsch, on the absence of the oil-gland in certain Columb, i. 147.

The Variation of Animals and Plants Under Domestication, Volume II (of 2) |Charles Darwin

oil gland

A gland, such as a sebaceous gland, that secretes an oily substance.