256 



[November, 



pt::; ^'^ ^'^^^^ ^^^^^^™ ^--^^ ^^^•^^-.«. Dana, the, a. 



thP p^^'/°"7'":° P^^'^*^ «f structure of ^..^,..,,,,, ,, ,,i,ibited in 

 the Guaten^alan .nsect described below, are worth noting - 



The anterior legs (fig. .) 1..^ the tibi. produced into a ver, long, stout, cur.ed 



claw; the farsi are elongate, quite slender, 

 semi-retractile, inserted at about the middle 

 of the tibia beneath, their basal joint a little 

 longer than the second and third united. The 

 intermediate legs (fig. b) have the tibi* stout 

 and curved, and set on their outer face with 

 scattered setigerous tubercles; the tarsi are 

 short, slender, and retractile. The posterior 

 legs (fig. c) have the trochanters long and 

 greatly developed ; the femora and tibis are 

 enormously incrassate ; the femora smooth, 

 and rounded on their anterior face ; the tibia! 

 (viewed in profile) subtriangular, obliquely 

 truncated and flattened at the apex, their 

 outer face being set with scattered tubercles, 

 the flattened apical portion nearly encircled 

 by a row of blunt teeth. The second joint 

 of the rostrum is arcuately dilated beneath, 

 forming a flattened plate, which fits into a 

 deep groove between the anterior portion of 

 the front coxeb. On the lateral portions of the 

 metasternum, close to the intermediate cox» 

 and the inner portion of the long odoriferous 

 rid^P win,-.! • r T ., °"^''^' ^^'^""^ '' "^ conspicuous transverse 



We ila " ? f "°''^''' '' "" °^^^^ '''''' ^"^ ^^^-^^ -^ -^-- to this 

 theie IS a large, densely rugulose, opaque space. 



SCAPTOCOKIS TALPA, n. sp. 

 «.d the leg. f„lv„„,, the head .„d knee, „r,.„„ ,tai„ed with pieoou,, the apiee. of 



e::ed"'r rt'"'""'''"'""""'""^ '■'"''" "'"'^ '"^ "'■■• "-^ "- 



eje. red , the lateral marg,,,, „f the p»„„tum, the unde, sa.-f.ce of the bodv the 

 o,tru„, and leg. set with very long hri.tl, hai,,. Head rounded at the !de, 



tr.„sve„el, „,„il,d, .hortl, tr.lehate in f,„„t, the lobe. ™„nded and aho t pro-' 



^U antenn..i.h Joint. 1 and 2 e.nal in length,3 „,„„„ .„e„er thanHfJi; 



one-half longer than 3. P„„otuu, .lightly eonstrieted .t the .ide. ; the Interior 

 oh. aln,o.t ..nooth , the posterior lobe .trongly. t„n.„.ely wrinkle ,a:dj^h a 



lo :r 1,:":'""- ':""'"'° '™""-^ ■■'= ">« "^'--^ ^^^^oS.:. 



p.on„t„n 1. apej smoother, rounded and n.odera.el,. dilated. Elytra with 

 .eattered, .hallow.di.t.net punetnre. : n,e.br.n„ hyahne. ^Leg. „ry robu." hi!.! 



