1918] Grinnell: A Synopsis of the Bats of California 277 
75.0-87.0) ; tail vertebrae, 33.3 (30.0-37.0) ; tibia, 15.2 (15.0-16.0) ; 
foot, 8.1 (7.0-10.0) ; forearm, 34.6 (32.9-35.3); greatest length of 
eranium, 13.7 (13.5-14.4) ; zygomatic breadth, 8.4 (8.0-8.6) ; breadth 
of brain-case, 7.1 (6.7—7.6) ; interorbital constriction, 3.8 (3.5-3.9). 
Ten adult females from Fort Tejon, Kern County, average in milli- 
meters as follows: Total length, 81.9 (extremes, 76.0—-85.0) ; tail 
vertebrae, 36.6 (31.0-87.0) ; tibia, 14.7 (13.5-16.0) ; foot, 8.9 (8.0— 
10.0); forearm, 34.2 (83.5-35.0) ; greatest length of cranium, 13.8 
(13.4-14.2) ; zygomatic breadth, 8.1 (7.8-8.3) ; breadth of brain-case, 
7.2 (6.77.3) ; interorbital constriction, 3.7 (3.5-4.0). 
MEASUREMENTS IN MILLIMETERS OF TEN MALES oF Myoris YUMANENSIS 
SOCIABILIS H. W. GRINNELL, FROM CALIFORNIA 
z 2 E 
Mus. ge as 5 3 z 
no. Age a a a ey Lem 
69617 juv. 71.0 30.0 12.6 8.0 30.0 
6639"  juv. 82.0 35.0 16.0 9.0 34.5 
6645' = juv. 80.0 36.0 15.0 8.0 33.7 
6662" juv. 67.0 31.0 12.8 8.0 Chile: Ween eee Ae 
6636 juv. 82.0 36.0 14.5 8.0 BBY 13.2 7.9 6.7 3.5 
6669* ad. 79.0 32.0 15.5 35.2 14.0 oe 
6665° ad. 83. 30.0 15.0 35.0 14.4 a2 7.4 3.8 
66679 — ad. 87.0 37.0 16.0 7.0 35.3 13.9 8.6 7.6 3.9 
6666" ~~ ad. 83.0 35.0 15.0 8.0 35.0 14.1 8.6 7.5 a 
18485* sad. 75.0 32! Ole hese 10.0 32.9 13.5 8.0 7.0 3.8 
1From Fort Tejon, Kern County. 
?From South Fork Santa Ana River, San Bernardino Mountains. 
’From Bluff Lake, 7500 ft., San Bernardine Mountains. 
4From Chambers Ravine, 4 miles north of Oroville, Butte County. 
MEASUREMENTS IN MILLIMETERS OF TEN ADULT FEMALES OF MYOTIS YUMANENSIS 
SOCIABILIS H. W. GRINNELL, FROM Fort TEJoN, Kern County, CALIFORNIA 
no. aT =) a 4 = wo NT 
6660 85.0 36.0 14.0 9.0 34.0 13.8 8.3 
6642 81.0 36.0 14.6 9.0 33.8 3.7 8.2 
6629 76.0 31.0 15.0 9.0 35.0 13.4 7.8 
6624 81.0 34.0 13.5 8.0 33.5 MAW Be 
6628 82.0 35.0 15.0 8.0 34.5 14.0 
5149 82.0 37.0 15.0 10.0 34.3 13.8 8.0 
6618 83.0 36.0 14.2 9.0 34.8 14.0 8.0 
5157 82.0 36.0 14.7 9.0 34.0 13.9 
5158 84.0 36.0 16.0 Oa) BBY 14.2 8.3 
6616 83.0 34.0 15.0 9.0 34.8 14.0 
