378 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
by its presence or its depredations, it could probably be easily 
controlled or exterminated by poisoned baits made of slices of 
bread sprinkled with Paris green. 
Yellow Cave-cricket. 
Ceuthophilus neglectus Scudder. 
Plate 14, fig. 20-23. 
Ceuthophilus neglectus Scudder, Proc. Amer. Acad. Arts and Sci., vol. 30, p. 
67 (1898).— Walden, Bull. Geol. Nat. Hist. Surv. Ct.,no. 16, p. 147 (1911). 
A small species, recognizable at once by the male genitalia. 
In this species the ninth dorsal segment is not extended and is 
usually hidden by the specialized, crescentically thickened, para- 
bolic margin of the eighth; the subgenital plate is also distinc- 
tive, — it is short and scoop-shaped with a thickened, semicircular, 
nearly horizontal margin. The hind femora are short and very 
stout, convex above and below, armed beneath on the apical two- 
thirds with a continuous series of short, stout, saw-like teeth; 
the hind tibiae are curved to correspond with the hind femora and 
equal or slightly exceed them in length. Ovipositor short, little 
exceeding the front femora. 
General color usually a rich yellow, paler beneath and on the 
tibiae, overcast above with dark reddish brown; tibial spines 
pale except at tip. 
Measurements. 
Body Hind femora Hind tibia Antenna Ovipositor 
Male 14 12.5 13.5 35- 
Female 15 11.5 11.5 28 7.3 mm. 
This is a very common and widely distributed species, occurring 
generally in woods and in cavities under stones and logs. I have 
examples from Jackman, Me., Plymouth, Vt., and eastern Massa- 
chusetts. Walden records it from Connecticut. It is also widely 
distributed extralimitally. 
The types of this species and C. terrestris were almost inextric- 
ably mixed by Scudder, but it seems best to recognize this species 
as characterized above, and C. terrestris as elsewhere in this paper. 
Walker's drawing of the rear view of the male genitalia (Can. 
Ent., vol. 37, pi. 4, fig. 3b, 1905) is misleading as apphed to this 
species. 
