ON THE WYANDOTTE CAVE AND ITS FAUNA. 421 
and sinnately narrowing to hind angles, which are exactly rectangular; median line 
oe eer essen in its entire length, a Bye deep; base of thorax trun- 
onga val, feebly co at base slightly flattened; two-thirds lon — 
than broad, hu pais ded: “surface with feeble traces of irde and thre 
dorsal orons. punctures on each elyt n or nearest to the position of | the third 
stria. = ody beneath po — ar in color to the upper surface, legs somewhat paler. 
Length .18-.24 in ch: 
Three specimens of t nie serous h were collected. This species is closely allied to A. 
Menetriesi stem aa. gre ). but pores by its more elongate and less robust 
_ form and less con urfac: e elytra are smoother and with very feeble traces of 
striæ. The is vs 3 differ peti ‘ie in ge yas of the hinder thoracic angles and 
“ fain the angles are yy slightly prominent externally ete 
the base of the thorax orgs prolonged, whi n the present pes me Pael a 
Strictly oyayi and the bas e trunc: te. This pecies must be 
just cited in my table of our species (Trans. Ent. Soe. , Phil., 1868, i 18), 
he new p BeAT above described is the most slender in form of any in our cabinets. 
„À. EREMI rn. — Pale, rufo-testaceous, feebly shining. He ad oval, ee 
biimpres ed, i impressions ean asop, eT vening space feebly convex. Thorax 
had iy dayaka portion th lon noderately r roundas in front, Eradan nar- 
wed to Mis angles rA ngu ras bese truncate and a gr as lon h of thorax; 
dise feeb cò ony median line distinctly Sapte veer basal § verse impression 
moderate. Elyt pe ay ERY shining than thorax and ee Reeli with very short, 
Lengt Sere striæ obsolete; three dor Sa unctures on the line of the third stria. 
n 5m 
men of this species was collected with preceding in Wyandotte Cave. ae 
ony Species with which it wie be confounded is that Rranodety described by 
er the name A. pusio, a ough differing very notabl oomparikon in Their 
general aspect, the points of tutte rence are not easily made pla Pa yi adescription. The 
presen t species is in at orpo beanie and ees s ceprpasec, without a convex as 
in Menetrie, ae broader, less 1 behi ns, and the sides more 
unded, The thy ache sn P peed nd the ge tate aks e m o. diettust, aibonan in 
both species the pirk pras can only ba rina por by kokag ‘the specimen between 
sn mi won ; 
Q. SP 
sing, ay impressed b me e ev n ft De two banem agar Sees aoe 
rgi 
e ase, t 
more distant in the latter region. nal process behind the cox corneous. Scutel- 
m a nipin 5 Els vite es longer cat the thorax, rather sae G and piee 
e 
hak pecies by oe color and thoracic punctu ras 
ur species except jomeens 
Two specimens were collected me bs "pea within the mouth of as Cave. 
Descriptions of species from the Mammoth Cave. 
s C 
Genus noyum oa 
en, whi z ida ic shield covering dorsum 0: 
Palpi aana js hi a ioatea iy segmen Sep te racie Tarsi multiarticulate, pae 
ap ual maxilla che 
eyes.” *. fie” s t Erebomaster, differing in the multiarticulate tarsi, and aboot = 
nearer t to TORE being like i it eyeless, but the latter accordmg 
