146 
Indiana University Studies 
FIGURES 47 TO 63 
47. N. vesicida vesicula. Bud galls, typical of bud galls of the species. 
48. N. vesicula cerinus. Bark galls. 
49. N. decipiens. Leaf blade galls. 
•50. N. decipiens. Gall; cross section. 
51. Ab quercicola pacificus. Gall of agamic form varians, on stem, with 
little hypertrophy; with figures 55, 57, 60, and 63 shows gall 
polymorphism. 
52. N. hn^egularis albiplcurw. Gall. 
53. N. dubius clarkese. Anther gall; with figure 54 shows gall dimor- 
phism. 
54. N. dubius clarkese. Leaf gall; taken from Beutenmuller’s original 
description and figure. 
55. N. quercicola pacificus. Gall of agamic form varians; on stem, with 
considerable hypertrophy. See also figures 51, 57, 60, and 63. 
56. N. batatus prini. Gall of agamic form deprini. 
57. N. quercicola. pacificus. Gall (larval cell) of agamic form varians 
in wood at base of acorn cup; on Q. lobata. See also figures 51, 
55, 60, and 63. 
58. N. contortus. Gall of bisexual form 2)Hncipalis. 
59. N. contorius. Gall of agamic form contortus. 
60. N. quercicola pacificus. Gall of bisexual form pacificus; leaf gall on 
Q. Douglasii. See also figures 51, 55, 57, and 63. 
61. N. batatus prini. Gall of bisexual form prini. 
62. N. rileyi thompsoni. Galls on stem. 
63. N. quercicola pacificus. Gall of bisexual form pacificus on ament 
stems of Q. lobata. See also figures 51, 55, 57, and 60. 
