—— in Egypt, [86]

—— of London, [85]

—— medieval precautions, [21]

—— transmission of, [44]

Platypsyllus, [26]

Polyctenes, [26]

Protestant and Catholic, [9]

Puffins, [11]

Pulex irritans, [4], [19], [63], [75], [95]

Pulicidæ, [17], [109]