. Carnegie Institution of Washington publication. . 32 FAUNA OF MAYFIELD'S CAVE. October 28, 1903. November 4 one of the pupae was drawn (fig. 3). The next day one had emerged. The second came out November 6. The pupa drawn measured mm. by mm. Blatchley (1896, 196) found this species in total darkness in Marengo and Donnehue's cave. Wickharn (1896, 196) says of this species: Widely distributed (above ground), being found according to Dr. Hamilton's recent catalogue, over all of North America, as well as the other continents, except South America. Packard (1888, 74) records it from Weye
. Carnegie Institution of Washington publication. . 32 FAUNA OF MAYFIELD'S CAVE. October 28, 1903. November 4 one of the pupae was drawn (fig. 3). The next day one had emerged. The second came out November 6. The pupa drawn measured mm. by mm. Blatchley (1896, 196) found this species in total darkness in Marengo and Donnehue's cave. Wickharn (1896, 196) says of this species: Widely distributed (above ground), being found according to Dr. Hamilton's recent catalogue, over all of North America, as well as the other continents, except South America. Packard (1888, 74) records it from Weyer's Cave in Virginia and Dixon's Cave in Kentucky, and considers it a common species in the Middle and Western States. This is evidently not a true cave species, but its breeding at the mouth of caves and wandering into caves indicates an inclination to become cave-inhabiting. This genus lives ' 'under stones and bark in damp for- ests" (Le Conte & Horn, 1883, 95). There are 19 North American species. Philonthus lomatus Erichson. A single specimen taken at bait at "40" two weeks after a heavy flood in the cave. Its occurrence was no doubt altogether accidental. Tachinus repandus Horn. Two specimens taken during November, 1903, under a stone just inside the cave. It was not even in dim twilight and scarcely deserves mention in this connection. Lesteva pallipes var. picescens Le Conte. Some of this species were seen on October 22, 1902, near the mouth. June 4, 1903, several were seen under stones on loose earth at "3," together with their empty pupa cases. At the same time time others were found under stones as far in as " 11," but not abundantly farther than the rays of twilight extended. On October 28, 1903, a bright, warm day, this beetle was extremely abundant around the mouth of the cave. It was so abundant that 10 or 15 would be found on a single dry maple leaf, yet it was not seen more than 25 feet from the mouth of the cave. The surf
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