36o 
North Dakota. J. A. Munro (August 21): Specimens were collected at Fargo 
on July 23 and August 21, and were sent in fro.- Slone County or. August 
21. 
Nebraska. I". H. Swenk (Jul" 31): On Jul"/ 25 in llance County a specimen 
was found. A report from Adans County was received on July 27.. 
Oklahoma. F. A. Fenton (August 20): Several requests for information en 
the "black widow spider hr.ve "been received, also specimens.. 
Utah. 0. F. Knowlton (August 24): A black widow spider was found in an 
occupied hotel room at Moab. 
A TICK ( Dermacentor variabilis Say) 
Iowa. R. W. Wells (July 29): Incidence of Rocky Mountain spotted fever: 
"Thus far in 1°35, four ca?es of Rocky Mountain spotted fever have 
been reported to the Iowa State Department of Health. The counties 
concerned are Linn, Lee, Poweshiek, and Union, and are widely separated 
in the southern half of the State. The first case, that of a little 
girl in Linn County, resulted fatally." — Iowa State Health Dept . Weekly 
Health Message, July 29, 1335. . . 
CATTLE 
SCREW WORMS ( Cochliomyia spp. ) 
Southern States. E. C. Cushing (August 27): In the Southeastern States 
screw worms have caused little trouble, in comparison with many dis- 
tricts in other parts of the United States. The .degree. of infestation 
reported for the seven States concerned for the week ended July 27 is 
summarized as follows: 
State 
Counties 
Animal s 
Screw worm 
'Infestat 
infested 
examined 
: infestations 
Number 
: Number 
: Numb 3 r 
Percent 
12 
123,827 
26 
0.02 
S3 
59 > 579 
: 2,^24 
. 3.90 
10 
6, hoc 
29 
: .45 
14 . 
91,25':- 
251 
.28 
27 : 
17s, s4o 
l4S : 
.OS 
4S : 
193,113 ! 
6,54s : 
.3.9S 
19 ! 
37>55 k s 
^92 : 
I.56 
Mississippi 
Georgia 
South Carolina 
Louisiana 
Alabama 
Florida 
Southeastern Texas- 
In southwestern Texas ranchmen have reported that there has "been 
little decrease in numbers of infestations during the last few weeks. 
Unusual amounts of rainfall, which necessitated late shearing, were 
probably responsible for a large number of these cases. Favorable 
weather conditions caused a prolongation of the usual. season. of the 
wool maggot fly ( Phormia . r egin a Meig. ) and the infestations caused by 
