88 OUR FEATHERED FRIENDS. 
what we mean. Then try a perfectly round ball. You 
will see that it is better that birds’ eggs are oblong or 
elliptical. 
Z 
7 23% 
Z, = 3 BY 
WHA 
Le a 
24 Ds FR oar Tao 
ee PRON a TO yon 4 
A@ 4 grit) ath y i = fer Y 
ri Ty RI MY A Her Wt ee 
yu ¢ Mwai\) inva fue\* 
Wy Mb ny, Ani dh wows 
bt Mh eyes 
Gn . 3 ll ; Mi ji 
.¢ 5 n alt v _ \ aul 4 
ores N My 7 ~ 7 Soe se ak ote ey SY 
4 ks TL: bay y) ye : 
MARSH OWL. 
The cactus wren! makes her nest in the middle of a 
great barbed cactus in our mountain washes or desert 
places. The tiny Costa’s humming-bird? builds its 
frail nest in the prickly elbow of the low cactus that 
erows in California all over the barren lowlands. ‘This 
is probably for safety. A snake could hardly reach a 
1 Heleodytes brunneicapillus. 2 Calypte coste. 
