The Flea
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In our eReader you can find the full English version of the book. Read The Flea Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Flea
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During the season when plague is bad the average number of fleas per rat is above the mean. During the non-epidemic season it is below the mean. The height of the epidemic corresponds fairly closely with the season of maximum flea prevalence.
Nineteen species of Pulicidce are more or less habitually obtained by collectors on rats and mice. But the great majority of these may be called casual visitors. Six species of Sarcopsyllidce are also oc- casionally found on rats. These are the burrowing c...higoes and their allies which usually attack the head and ears of rats.
102 THE FLEA [OH.
The species of flea commonly found on rats are five in number, and the readiness with which they bite human beings has been carefully studied.
1. Xenopsylla cheopis. This is the oriental rat- flea first described by Mr Charles Rothschild from specimens collected in Egypt. The true home of this flea appears to be the Nile valley, where it may be found in plenty on various hosts. Many of these are desert animals and the flea shows a preference for rodents.
What to read after The Flea?
You can find similar books in the "Read Also" column, or choose other free books by Harold Russell to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
During the season when plague is bad the average number of fleas per rat is above the mean. During the non-epidemic season it is below the mean. The height of the epidemic corresponds fairly closely with the season of maximum flea prevalence.
Nineteen species of Pulicidce are more or less habitually obtained by collectors on rats and mice. But the great majority of these may be called casual visitors. Six species of Sarcopsyllidce are also oc- casionally found on rats. These are the burrowing c...higoes and their allies which usually attack the head and ears of rats.
102 THE FLEA [OH.
The species of flea commonly found on rats are five in number, and the readiness with which they bite human beings has been carefully studied.
1. Xenopsylla cheopis. This is the oriental rat- flea first described by Mr Charles Rothschild from specimens collected in Egypt. The true home of this flea appears to be the Nile valley, where it may be found in plenty on various hosts. Many of these are desert animals and the flea shows a preference for rodents.
What to read after The Flea?
You can find similar books in the "Read Also" column, or choose other free books by Harold Russell to read onlineMoreLess
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