SYSTEMATIC LIST. 269 
CAMBRIA N—Continued. 
Sint el 
a 
Genera and species. | 2 Remarks. Page. 
E = 
i) e 
Ptychoparia (?) angulatus H. & W.....|...--... oN Geol. Expl. Fortieth Parallel, vol. iv, p. 220 .............---|...-...- 
Anytus H. & W .....-.--- SS WEsGorness Type from Schell Creek, Nevada.....................-.2-- 56 
(S.) breviceps, n. sp..--.-- ee [be seqoso| HeSeSSc ernst oceans cocs Had SEC R ROS See RS SSOS SAGES 49 
granulosus H. & W..--.--. ee essence ‘Lypetrom'Kurcka Districts... -.o-coescowocesce-=cesees 7 
Haguei H. & W. (sp.)----- SOG been ase Type from the White Pine District, Nevada 57 
lawviceps, n. sp ---------.-- ee | Beeeesos Senne meme emnlpw ae =nivemncrleewsinclewme accuses cvmacise=seasciccs 54 
(2?) Linnarseoni, n. sp-.--.. o< 47 
maculosus H. & W. (sp.)--| XX |.-.----- Geol. Expl. Fortieth Par., vol. iv, p.215 ..............--..- Jeneeeeee 
nitidus H. & W. (sp.) -.---| = -| Type from Eureka District | 57 
occidentalis, n. sp .-.-.- -- So) lee =| pac COSC ER coboe nee eetO esse Stars SEB Seace Cos roceensesenos | 51 
Oweni M. & H. (sp.) .- XX |..--.---.| Type from Big Horn Mountains, Montana.............-.. | 55 
(2) pernasutus, m sp -- bya | [ee B | Reeereaece am an nomen seen es Rene ae ence me ene | 49 
(2) Prospectensis, n. sp.--. x — solockeascboccosatccont Gocccpos Scecoes sso fbomsaso SaSsesossec5 46 
(2) similis, n. sp ..-----.-.. Be Ui beeces acl Se ose coSsbocesseicc aces bose Sa OSS ScOCeEeoat ae ep Case mcaeene 62 
(?)similis, var. robustus, n. SC eerie | sii nae ee motel ie et tenn neeleie Sens oneal aac eee ea 53 
var. 
unisuleatus H. & W .--...- Ba Nhossenee Type from Eureka District ....-.......----.------------<- 58 
(earelornee 1) elise TST ee | eo ce een aerate ae nea ah cen eae nace cneh else asie om s=eieo meee 54 
(Euloma?) dissimilis,m:sp.| X< |---.--..|---..-----s--e--<-- ae 5 i Nt Se i SS ei a os ee 51 
(P.) laticeps H.& W...---. be Be eae Type from White Pine District, Nevada......-........... 59 
(P.) occidens, nm sp. .------ | eictetetteas | ees ie men ated aimnreiciniclnnninlelwnie me meme eine elmo eieainie nite aioe 58 
BY eosoconcesas Seb one secu Koecoces Bs | Re eR Gorge eee Cece Cop een terror eSoereS= snes CCS SSeS ecease Me sSoC oo 
Anomocare ? parvum, N. sp.------------ Sign [See oe oe | easy hee he baton ee et . 2e co choo cased teacarat. toe 59 
Ptychaspis minuta Whitfield.......... Xa eae ate=2 Type from the Potsdam sandstone of Wisconsin........... 60 
pustulosa H. & W ....--.--|.--..... L. Geol. Expl. Fortieth Par., vol. iv, p. 223-...-..-..----...... tentsanne 
Chariocephalus ? tumifrons H. & W..| xX L. Type from the White Pine District, Nevada.............- 61 
Agraulos ? globosus, nD. Sp .----------. - Mo [ewe nee ee] ene eee eee ee eee ee ee ee een ee ees ee eee cee ee eee eee 61 
Arethusina Americana, n. sp.-----.---- OO, acess nas] bos cStesqs sates ise sce oSscor ber Se Saccina ss Saosries eps acess 62 
Ogygia ? problematica, n.sp-.-----.--.-| XX © |--------|------------------- fannie anaes meena nner mnoneeincatessee= 63 
? spinosa, 0. Sp .-...------------ S| aoe ea sane == ms we nial wise'e em nen a ns eele eee ae 63 
TUTE U 1b boos sesoncscaseeasced paeoccon Be Sromcaosesses reese Peer 
16 The species from the White Pine District occur at the base of the Pogonip Group and are doubtfully referred to 
the Cambrian. 
