est runts in the collection are perfect miniatures of their normal 

 companions, and many of the unusually large specimens increase 

 proportionately in long and short diameters. 



The following tabulated form will give the reader a clear 

 conception of the difference in comparison between the normal 

 and abnormal sizes. The average sizes and other measurements, 

 unless otherwise stated, are ascertained from series in my col- 

 lection: — 



Abnormal 

 Eggs. 



Name of Species. 



American Eared Grebe 



Western Gull, 

 Franklin's Gull, 



Least Bittern, 7 



Little Blue Heron, 4 



Bl'k- crowned Night Heron, 10 



Valley Partridge, 17 



Mourning Dove, 24 



Marsh Hawk, 9 



Red-tailed Hawk, 141 



American Long-eared Owl, 8 

 Belted Kingfisher, 92 



Red-headed Woodpecker, 10 



California Woodpecker, 14 



Flicker, 86 



1.19x .91 

 1.79x1.29 

 2.10x1.49 



1 1.17x .94 

 12 1.12x .86 



2 1.78x1.44 



66 2.33x1.87 



2 1.63x1.33 



15 1.34x1.07 



2 .98x .74 



3 l.OOx .77 

 13 1.08x .85 



l.llx 



1.05x 



2.65x1 



2.38x1 



2.32x1 



.77x 



.85x 



1.75x1 



1.65x1 



.69x 



.76x 



.68x 



l.OOx 



.97x 



1.69x1 



1.67x1 



1.64x1 



1.60x1 



1.94x1 



2.12x1 



1.72x1 



l.OOx 



.70x 



1.07x 



1.06x 



1.06x 



.70x 



.88x 



1.41x 



.38 

 .67 

 .74 

 .33 

 .27 

 .59 

 .63 

 .64 

 .78 

 .76 

 .30 

 .28 

 .32 

 .32 

 .49 

 .59 

 .43 

 .84 

 .62 

 .70 

 .67 

 .70 

 .59 

 .66 

 .93 



65 

 70 

 71 

 91 

 91 

 25 

 25 

 72 

 26 

 26 

 27 

 27 

 27 

 27 

 73 

 28 

 29 

 30 

 74 

 75 

 75 

 75 

 32 

 23 

 76 



