PLATE 22 
Side views of the same skulls as shown on plate 21. All X 2. 
g- 
. 36, 
o Bills 
. 38. 
. 39. 
. 40. 
ig. 41. 
. 42. 
. 43. 
. 44, 
. 45. 
. 46. 
47. 
Myotis californicus californicus, no. 18490, 9. 
Myotis californicus pallidus, no. 17787, ¢. 
Myotis orinomus, no. 6941, 9. 
Pipistrellus hesperus hesperus, no. 10409, JZ. 
Myotis longicrus longicrus, no. 20811, 9. 
Myotis ywmanensis sociabilis, no. 6651, 9. 
Myotis occultus, no. 10706, g. 
Myotis lucifugus altipetens, no. 23036, 2. 
Myotis velifer, no. 7762, g. 
Lasionycteris noctivagans, no. 24208, 2. 
Myotis evotis, no. 6953, 9. 
Myotis thysanodes, no. 29833 (U. 8. Nat. Mus.), 9. 
[ 400 ] 
