The Lace-necked Dove — SCHWARTZ and SCHWARTZ 
107 
sibly to a limited extent during the entire 
year. 
7. The juvenile plumage lacks the black and 
white neck ’lace” so characteristic of 
the adult and contour feathers are dis- 
tinctly light tipped. 
8. The sex ratio in 79 adult and nest-free 
juvenile doves was 43 males to 36 females 
or 119:100. Weights of 6 adults and 
measurements of 59 adults are given. 
9. Lice externally and roundworms in the 
intestine, eye, and caecum occurred gen- 
erally in light infestations. Tapeworm 
parasitism varied from light to extremely 
heavy. 
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