Contributions to Medical Science | | Ham mak | y a: : ot 
By Howard Taylor Ricketts AYA CL, Dri 00. | 
Published as a Tribute to His Memory by His 5 Zee L Pens 
Colleagues under the Auspices of the zm : 
Chicago Pathological Society Hin We 5 e) Ss t DY, | e Ss OF 
, m aS 
R. RICKETTS died of typhus fever in the Sas ons 
Gir of Mexico, May 3, nats He was a ae A surprising — 
that time prosecuting researches into the \ 5 
nature of typhus and but a few days before had Shaas amount of Care = : 
announced the discovery of a micro-organism 5 is used in mak- ee 
which is believed to be the cause of the disease. 
He had also shown that the infection may be 
ing Esterbrook 
carried by an insect, and thus pointed out the E Pens, but the su- 
way for preventive measures. These achieve- Aa AE f th 
ments, together with earlier work on Rocky ae periority oO the 
Mountain spotted fever, give Dr. Ricketts a high 1 
and honorable place on the records of medical ; finished Ie roduct 
research more than war- 
_ The present volume contains thirty papers 
on these and allied topics. It is rich in informa- 
tion of immediate value and in suggestions to 
rants it. 
The standard of 
future investigators. It is also an impressive fee || the world. g 
memorial to a man whose life was deliberately Fine, medium and 
‘laid down in the service of humanity. % broad points. At all 
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