218 



ADELE M. FIELDE. 



meet the requirements of the various species that I have desired 

 to house for long periods. 



A is 

 B " 10 

 C " 6 

 D " 6 



X inches or 41 

 <6 25 



X 6 " 15 

 < 4 " 15 



(15 centimeters. 



X I 5 



< 15 " 



< 10 



Nests of these dimensions fit into and fill a portable wooden 

 case or box having an interior length of 17 inches or 43 centi- 

 meters ; a width of 7 inches or 1 8 centimeters ; and a height of 

 4^ inches or 12 centimeters. It is made of half-inch pine boards, 

 dovetailed at the joinings. The interior of the case is equally 

 divided lengthwise into four compartments by three shelves that 

 are supported in grooves cut in the end-pieces of the case. The 

 shelves are a quarter inch or six millimeters thick, and they leave 

 space at their outer edge for the inset of a door which forms the 

 front of the case, is hung by hinges at the bottom, and is held 

 shut by two buttons affixed to the top-piece of the case. 



FIG. 3. Portable Case for the Nests. 



Holes are bored in both sides of the case for the inlet of air 

 to the enclosed nests. 



A handle placed lengthwise on the top of the case permits its 

 convenient carriage. When its four compartments are filled with 



