Alligator Lizards 15 
noon. On February 12, 1932, at Daly City near San Francisco, 
in a semi-active condition. A series in the California Academy 
of Sciences collection was taken on December 30, 1906, at 
Carmel, Monterey County. 
St 
1932, were analyzed with results as follows: 1 butterfly, 2 cut- 
: ug, 2 spiders, one with its 
egg sac, fragments of white eggshell .2 mm. in thickness 
(Zenaidura?). 
The stomach of a large specimen taken in tall grass near 
Lagunitas, Marin County, May 8, 1932, contained a single large 
cutworm (noctuid?). 
Stomachs of two specimens taken on June 29, 1932, 21 miles 
north of Redding, Shasta County, contained insect remains as 
follows: 1 noctuid larva (length 21 mm.), 17 small beetles of 
several different species (average length 7 mm.), 1 beetle larva. 
On one occasion a number of large beetles of a kind having 
When a half-grown house mouse (Mus musculus) was placed 
in the cage, the lizards at once became attentive. Several stalked 
it simultaneously and one caught it across the head and crushed 
its skull, killing it almost instantly. The lizard swallowed the 
mouse head first having much less difficulty in engulfing its 
soft body than is usually experienced by individuals attempting 
