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CHIGGER (Tro-Vbicula irritans Riley) 
New Jersey. T. H. Jones (August 20 ) : There have been a number of complaints 
of chiggers. 
Indiana. J. J. Davis (August 2U): Chiggers were very annoying throughout 
most sections of the State during August. 
Iowa.. C. J. Drake (August 22): Complaints of unusual abundance of chiggers 
received from Burlington, southeastern Iowa, Sioux City and River Sioux, 
western Iowa, and Dubuque, eastern Iowa. 
EYE GNATS (Hi ppelates spp.) 
Maryland. E. C. Bishopp (August 25): These gnats present in considerable 
numbers throughout August around dogs, and occasionally annoying to man. 
TROPICAL RAT MITE ( Liponyssu s bacoti Hirst) 
South Carolina. W. C. Nettles (August 22): One case of rat mite affecting 
man has recently corne to our notice. (Det. by E. C. Bishopp.) 
SADDLE-BACK CATERPILLAR (Sibine stiraulea Clem.) 
Indiana. J. J. Davis (August 2h) : Sent in repeatedly from the southern two- 
thirds of Indiana, the first report being dated August 3i an( l reports 
received up to the present. In many cases reported as feeding on corn, 
but in most cases refer to having been bitten or stung by this cater- 
pillar. More reports received this year than any year during the last 18, 
AMERICAN DOG TICK ( Derma c entor variabilis Say) 
Maryland, Virginia, and District of Columbia. F. C. Bishopp (August 2k) : 
This tick quite scarce in the District and nearby Maryland, as is usual 
at this date. The third death from Rocky Mountain spotted fever in 
Montgomery County today. (August 29): A recent report by Dr. C. H. 
Halliday, of the Maryland Department of Health, states that there have 
been 33 cases of Rocky Mountain spotted fever with 11 deaths reported 
so far this year in Maryland. . This is a higher mortality than last year, 
when 7 deaths and 35 cases were reported. Montgomery, Anne Arundel, 
Baltimore, and Prince Georges Counties showed the largest number of cases 
The number of cases of spotted fever in Virginia appears to be about 
normal, though complete reports are not available. Seventeen cases 
wore reported the first 2 weeks of August. 
J. A. Hyslop (August 23) : A fully engorged tick was taken from a 
dog at Silver Spring, Md. , today. A tick only slightly attached to a 
person on August 27 w as reported from near Rockville, Md. 
