IOWA ACADEMY OP SCIENCE 
67 
59. Puccinia pruni Pers. 
60. Gymnosporangium macropus L. R. 
61. Gymnosporangium clavipes Cooke and Peck. 
62. Gymnosporangium globosum Park 
63. Roestelia pirata Thaxter. 
64. Accidium Berberidis Gmel. 
65. Accidium Fraxini S. 
66. Gymnoconia interstitialis (Schl.) Lagb. 
67. Phragmidium subcorticum (Schrnk.) Wint. 
68. Aecidium Grossularise D. C. 
69. Puccinia Asparagi D. C. 
70. Ustilago avenae (Pers.) Jens. 
71. Ustilago Tritici (Pers.) Jens. 
72. Ustilago Zeae (Beckm.) Unger. 
76. Ustilago neglecta Niessl. 
74. Ustilago nuda (Jens.) Kell, and Sw. 
75. Tiletia foetens (B. and C.) Tul. 
76. Ustilago neglecta Niessl. 
77. Spbacelotbeca Reiliana (Kuhn) Clint. Sph. Sorghi (Lk.) Clint. 
78. Ustilago stri^formis (West) Neissel. 
79. Ustilago syntherismae Pk. 
80. Urocystis agropyri (Preuss.) 
81. Ustilago Crameri Korn. 
AMES, TEMPERATURE IN DEGREES, AND PRECIPITATION IN INCHES, 
FOR YEARS 1907 AND 1901— A COMPARISON OP A DRY 
YEAR WITH A WET YEAR. 
Month 
1907 
1901 
Temperature in degrees 
Precipi- 
tation in 
inches 
Average 
tempsr- 
ature in 
degrees 
Precipi- 
tation in 
inches 
Max. 
Mean 
Min. 
January _ 
28. 
19. 
10. 
.73 
23.6 
.57 
February 
36. 
25.7 
15. 
.55 
18. 
.9 
March 
51.5 
40.7 
42.7 
.27 
34.4 
1.64 
April _ 
54.2 
42. 
29.8 
.67 
49. 
1.82 
May 
67. 
53.4 
40. 
3.54 
61.4 
3.69 
June 
77. 
64.9 
52. 
3.26 
74.4 
2.36 
July 
76. 
69.3 
55. 
5.32 
83.3 
2.26 
Au^st 
85. 
66.5 
48. 
6.15 
72.8 
1.21 
September 
74. 
62.4 
50.6 
2.14 
61. 
3.65 
October 
62.8 
49.8 
36.6 
3.04 
53.9 
2.98 
November 
43.6 
36. 
25. 
1.02 
37.9 
.67 
December 
38. 
29. 
19. 
.83 
20.5 
.57 
Totals 
56.9 
46.5 
41.8 
27.58 
49.2 
22.32 
