24 
HISTORY OF CASES. 
Case 115, 1903. 
O. C., age 8 years, residence about 3 miles west and 1 mile south of 
Hamilton, about 1 mile east of case Mrs. J. D., case 89, 1902. (See 
map, p. 8.) 
About April 1 two ticks were removed from right side of head, 
near middle line. The wounds became quite sore on the following 
da}^ and the child complained of headache during the ensuing week. 
April 7 or 8 the child complained, in addition to headache, of soreness 
from site of bite down the side of head behind right ear and neck to 
shoulder. The post-cervical glands ivere enlarged, particularly on 
right side. At this time she complained of being chilly, though she 
did not have a marked rigor. She was feverish April 8, 9, and 10. 
On April 10 spots began to appear, first on the extremities. 
She was first seen by Dr. G. B. McGrath, of Hamilton, on April 13. 
Patient was seen by Drs. McGrath and Wilson April 24. Child 
seemed pale, weak, and easily tired, but otherwise well and able to 
play outdoors. Over the forearms, legs, thighs, and back there was 
a distinct mottling of the skin. Pressure over these areas increased 
the distinctness of the spots. Examination of fresh blood showed a 
few ovoidal bodies within red blood cells. Count showed — 
Red blood corpuscles 4, 720, 000 
Leucocytes 4, 500 
Hemoglobin (Tallquist) percent.. 80 
Post-cervical glands on right side still enlarged. 
Patient examined again May 5 by Drs. Anderson, Hanbidge, and 
Wilson. Feeling much better, not as pale as on previous examina- 
tion, and able to play longer without tiring. Pulse, 112; temperature 
normal. 
Red blood corpuscles 4,824,000 
Leucocytes 4, 450 
Hemoglobin ( Tallquist ) per cent . . 90 
Fresh blood showed a few red blood corpuscles which contained the 
ovoidal l)odies similar to those seen at first examination. 
• - Case 116, 1903. 
Mrs. F. D., age 18 years, married one and one-half years, mother 
of 7-months-old child. Residence on left bank of Lolo Creek, 1 mile 
west of Lolo store. (See map, p. 8.) 
On April 12 or 13 Mrs. D. was with her husband with team in 
grove of small poplars 300 }^ards north of residence. On this day 
she was perhaps also across Lolo Creek, south of house; accurate 
information on this point could not be gained. Certainly the horse 
