This coop may be modified to suit individual preference; for instance, by giving it a single-pitched roof.

A portable colony house of simple design recommended by J. Dryden and A. G. Lunn in a bulletin of the Oregon Experiment Station

The rear of the same house, showing the extension nest boxes with individual covers

For the framework and inclosure these materials will be required:

Hemlock or spruce for sills (5 × 6 in.)38 lineal feet
Hemlock or spruce for corner supports and plate to support rafters (3 × 4 in.)60 lineal feet
For intermediate supports, or studs, corner braces, and rafters (2 × 4)120 lineal feet

For the roof beneath the tarred paper, 128 lineal feet of six-inch boards will be required, or 160 feet of five-inch boards; 400 lineal feet of five-inch weather boards will be required to inclose the building.

For the window and door casings 50 lineal feet of suitable lumber will be required, and 30 lineal feet of five-inch tongue-and-groove boards for the door.

The hinged door in the rear is made of the weather boards and covered with tarred paper on the inside.