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August 8, 1908

FLEAS ON RODENTS AND MEN ON THE PACIFIC COAST.

JAMA. 1908;LI(6):495. doi:10.1001/jama.1908.25410060045002
Abstract

I am unaware that any flea determinations made on the Pacific Coast have been published where they would be accessible to the medical profession generally. Another reason for publishing this note is the importance of recording the seasonal prevalence of fleas occurring on rats and men in a focus where plague exists.

During the months of August to November, 1907, when acute plague was present in greatest degree, I collected about a thousand fleas from rats and men and sent them to Prof. Carl F. Baker, Para, Brazil, who is recognized as the greatest authority on American Siphonaptera. He will report on these later.

In October, 1907, Mr. M. B. Mitzmain1 published a preliminary note on rat fleas, collected in San Francisco, Oakland and Pt. Richmond, with the following determinations:

Ceratophyllus fasciatus (Bosc.) 32 females, 31 males.

Ctenopsyllus musculi (Duges) Baker, 8 females, 4 males.

Pulex pallidus (Tsch.) 10

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