36 



COLLECTOR S MANUAL 



whitish or blackish, narrow, bean-shaped bodies lying side by side. 

 If it is a female, the ovary, normally on the left side (usually 

 only one, but two present in some birds), will show as a mass or 

 cluster of small round bodies. This is the only certain way of 

 determining the sex of the specimen. The organs are large in 

 the breeding season, very small at other times. If the body 



w> 



// A /?/w 



Figs. 31-32. — Form of body for stuffing. 



cavity is bloody so that the organs are not readily seen, wipe it 

 out with a fluff of cotton. Write the sex (male = S, female = $) 

 on the label and in your catalog. 



Cross the feet and tie them together. Tie the label to one of 

 the feet above where it is fastened to its companion (fig. 35). 



Arrange the feathers in place and carefully wrap the now 

 completed skin in the cotton sheet to keep its shape while drying, 



