ZOOLOGY. 501 
about 5; tail, 24; bill, 1:10 to 1-40; tarsus, 0°90 to 1:00; middle toe and 
claw 1.05 to 1.20. 
The other plumages, a series of measurements, general dis- 
cussion and description of eggs, with biographical notes by Mr. 
Elliott, will be found in his report. — ELLIOTT Cours. 
Occurrence or Japyx IN THE Unitep States. — While engaged 
at the end of April in exploring the Mammoth Cave and adjoining 
caverns with Prof. Shaler of the Kentucky Geological Survey, I 
detected under a stone in a small cave a few rods north of White’s 
Cave (which may be called White’s Cave, Jr.) and from 40 to 50 
feet from the mouth, consequently in partial daylight, a specimen 
of Japyx in company 
with two Scolopendrella Fig. 91. 
Americana Packard, our « 
Mammoth Cave. It here 
occurred, just as I have 
found the European J. 
solifugus near Vienna, 
tails of mouth-parts). 
It is quite different from 
the Mexican J. Saus- 
surii of Humbert from 
Santa Cruz and Orizaba. 
Pye subterraneus, as this new species may be called, may at 
Once be distinguished from the other species by the much greater 
