1)8 North Amermm 



po^, miGttte Uwm^ hmmXh tk© sraootk, traasparent outer crust ; palpe- 

 hm\ l^hm, semi dreukr, convex, aad restiog upon the eyes like lids. ■■ ■ - 

 Ohttks, as eomjmrdl with the siie of the eyes and glabella^ small, sloping 

 alsr«ptly 'from the eyes into the deep broad* marginal, furrow, which be- 

 comes suddenly obsolete on reaehin,g the anterior lateral margins of tlie 

 glabella, and extends baekwar^s to or even a little upon the posterior lateral 

 sub^^pinifolfm appendages j posterior maigins with an elevated rim, strong- 

 ly defined by the deep eohtinuation of the neek-furrow ; lateral margins 

 flowing, as seen fr^m above, a narrow rim, whieh in a side view, is seen- to 

 be deep, vertically flatten^,, and marked by fine parallel longitudinal striae . 

 anteriorly it eontinues around the front of the glabella, but does not project 

 so as to be visible from above, while its upper margin is continued in the 

 form of a mriaa along the middle of the posterior lateral spines to their 



F^al sututes eutting; the anterior l^ortHer in front of the eyes, and the 

 posterior maicgins of the cheeks behind the outer mairg^ns of the eyes. 

 Tho?^x nearly as long as the head, bnt so»mewhat naripwer, verjr, distinctlly 

 ttilobate ^ mesial lobe prominent^ rounded^ and aMttle wMer itham tBie later- 

 al lobes ;• iHs ^ segments narrow and siattj^-anguMr, lateral lobes depressed 

 and flattened near the me^^al lobe, and so abnapitly slloping froma. the lOutt^ 

 sS.de of the flattened ^s^m as to impunt a slight angularitty allong-tBiiait r^oim ; 

 s^isnents ©Mvefspanding in ssi^as with the .^j^tinenits off the unffisaal l^sBwe, 

 dMin<&tSy kneed mms- the mMdlle, ©tutsfide off which they are hemt downn amd 

 (eWjf^tflielly flat%^ed fm- Mdlng ties^ieAer., and inewinded at the extaieinaiitBesi. , 



F^-^Mfeam xigity ©anvex., sffinallfeff than the (oeifAalac sshMd, ff^innaijing- mmmt 

 than a ^gmk'Srcle,. with aniieTOw lateral an§l<fS(0)lbMqiadly ttrtauni<eated ;; pj^itmasr 

 ©latltee st^mteisly tt<5)iainde<i^ with a m<a)d«63tattelly wiide, !$»<a)©tllD„ d(epreKs«<il^ uueajr- 

 ly flat m- step&Big nuatpnal mmt ;; triteteatikcsn as im tJlie ttonius:,, sia^mi^Iy d®- 

 IffiH^ ;; BBigfii^l llQfeeppSiflsnteeaiit, as wide anteaiioiifly as ©ime (sff ttjte Datrtrdl teSaes^ 

 ifflasliiiifili^- ite l))@ii<fei^. dii^iiiMj%'flattteiaed ms. mA ^^, nM^tSr tajptariiiiBg. ts» 

 Wk ^\f^mm ^mw&w^^^sm fe&s t^ssm halt itts a^mm ^«eaiiK«it aiatt^ii®«r Ihanesadlttllii famm 

 thfe puf^mmm^^ ;; is^^uiteiatts 11 ®r 1^ imM dte€iM aiiteT^, lutatt. iKairily (stes)-. 

 1^^ Qm ^h(fe feifttesadl ^(fe. , . 



li^tea^ Wjftfe (&m%^&k„ teat (ifettli(ei% fes im tiSmm ttte maie^kl Wjie,, IteoiiaGBmh- 

 is^M$' tettt(«^i©3l imm- tibfe BatttteB;, with am aa^te alfc^ag- vjtm (omSim: imjangiinii-ajtf tite 

 tetJtefififet i^j^gfe, fti<MB& winfeJt Ufe i^fi^ sltopfe afti)inaf)%- it® ttJttD® iftiitdtesuM aanBKiMDifllii 



'(m :: .'S]p)iiiiiB^ifteM„ IHfliimiw. HJipipffiii- fiiuilt ®f 



