. Insects . ^ 4 Fig. 4. EXPLANATION OF PIATE. Myrsidea hrunnea pustulosus clypeatus ijoniupleurus Denny. Anoplura of the Canadian Arctic Expedition, 1913-18. t G. F. Ferris, Stanford University, California. The material submitted to me for examination contains two species, inaddition to specimens ot the human louse Pediculus humanus capitis which havebeen examined by Prof. G. H. F. Nuttall and are recorded in this report. Thespecies are as follows:— Linognathus setesus (Olfers). Great numbers taken from a white fox, Al
. Insects . ^ 4 Fig. 4. EXPLANATION OF PIATE. Myrsidea hrunnea pustulosus clypeatus ijoniupleurus Denny. Anoplura of the Canadian Arctic Expedition, 1913-18. t G. F. Ferris, Stanford University, California. The material submitted to me for examination contains two species, inaddition to specimens ot the human louse Pediculus humanus capitis which havebeen examined by Prof. G. H. F. Nuttall and are recorded in this report. Thespecies are as follows:— Linognathus setesus (Olfers). Great numbers taken from a white fox, Alopex lagopus innuitus (Merriam),Cross island, north coast of Alaska, January 18, 1918, by A. Castel. This is the first published record of the occurrence of this species fromfox, as it had previously been recorded only from the domestic dog; but I haveat hand specimens from a captive fox in Massachusetts. The specimens fromfoxes differ not at all from those taken from the dog. The species ordinarilypasses
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