Tin: MVUIAI'OlJ.V OF NOUTIl AMKUU A. 79 



31. LithobiuH branneri Hollniiiii. 



A siii^lr s|»«'ciin<'ii was oht:iiii«M| :il Okolniia jiimI iiiiotlMT iit lijtilit 

 i:«Mk. 



32. LithobiiiB prorideua Itolliintii. 



A r«'\v wer« ohtaiiu'«l at Litth' lii»«k. One imliviiliial isroiisijh'ialily 

 lai';;«'i- tliai: any s|m'«M!ii«'|i colU'ctrd lu'lon*. 



33. Lithobius piiigiifs, n|>. ii<>v. 



Postfiior audit's «»f all tlu' dorsal plati-s stiaijriit. Anal pair of h'y:s 

 annrd with two rlaws. < 'oxal poirs U>w, in a single stTit's. I'tMiuIti 

 mate pair of Ictrs anniMl with two claws. Coxa* of tlu* posterior fret 

 unarintMl. Dark cln'stnut l»ri»wn, hcail and antiMina* dark, Ic^s palci. 

 Sh'inh'r, not sniooth, spaiscly pilosr; head wid«'r than lonj; (.■J.."»:.{), 

 polished, not pilosr, Antrnna- sliort, L'J t«) lit joint«'d. articles short, 

 ()<*clli t to (». arran;;ed in L' or .5 si'ri«'s. I'rosicrnal tiM'tli \i-\-'J. (-o\al 

 pon-s .{. ',i, .J, 2 to 4, 4, 4, 4, ronnd. Spiius of the tiist pair of I(»<;s (), 

 0,1; penultimate ])aii- 1, li, 2, 1 to 1, .'(, A, 1; anal pair 1, .'{, L', 0. Pos- 

 torioi" U'<iA shoit. IN'inah': i 'law of the <;«'nitalia entire, stout and much 

 <urved; spiiu's stronj;", sulxMiuai. Lenj^th of body *.>-l() 



Ifahitnf.— lA\\\v Uoek. 



This dest-ript ion is based on thre<> speciniens. This is the smallest 

 North Ameiiean si)e(ies with tlie elaw of (iie female genitalia entire. 



34. Lithobiu.'i celei, .sjt. luiv. 



l*ost('rior an^fles (»f the 1>, 11, 1.} dorsal jdates jnodueed. Anal i)air 

 of legs arnieil wilh one <law. Coxal pores few, in a sinj^le series. Te- 

 nnltiinate i>air of le^s armed with two claws. Coxa' of the l.i, 14, l."> 

 paiis of feet laterally armed, lirown of various shades, lu'ad and le};s 

 more or less <hestiint. antenna* <lark. .Moderately rolmst, smooth, 

 sparsely pilose; hea<l about as lon<; as wide, )>ilose. Antenna- rather 

 lon^, .{(►to ;U jointed, artich's small. ()ee!li IS to 4t>, arranji'ed in 1 to 7 

 series. IMosternal teeth "» + "> to 7 + 7. Coxal jxires l', ;J, 3, i* to r», 

 0, G, 5, round, Sjiines of the first pair of lej^s 1. L', 1 to L*, L', 1 ; penul 

 timate paii- 1. .'{. 3, 1 to 1. ;J, .}, L'; anal pair 1, .», .>, 1 to 1, .{, ;>, 2. Pos- 

 terior leys short, ^lale: Tibiaofanal legs somewhat erassate, and fur- 

 rowed beneath: but more furrowed in the female. Female: Claw of 

 tiie genitalia short, tripartite, middle lobe mueh longer, others sub- 

 e«pud; spines moderately slender, inner .shortest. Length of body l.j- 



Abundant or eonunon tliroughout the State. 



This species is not strongly related io any known North Aniericm 

 species; it should be placed \WiXY forfivntK.s, which it seems to reidaee 

 in Arkansas. 



Dr. Wood lias n-ported /<^>r/<"w/«.v fiom Arkansas jind he may have 

 had the species which 1 have described. 



