b4 BULLKTIN 10, UNrri':D STATES NATIONAL MUSEUM. 



7. Geophilus umbraticiis McNeill. 

 Very rnimiKni. 



8. Geophilus perforatus (McNtill). 



Svhindiihi i>ii/i>nilii McNeill, I'loc. \' . S. Nal. .Mils., ;<>'">, IhSl ( l'niNUi;(»li>, KI:i.). 

 Two .spcciiiH'iis wore obtiiiiit'd. 



9. Scolioplanes bothriopus (WimhIj. 

 Only oiu' sj'ociiiien. 



10. Scolioplanes ruber Mollniaii. 



11. Scolioplanes gracilis, sp. iiov. 



I''r(»nt;il pliitr incscnt. Orniiiiic, Iicad aiMl iinteniiM' brovMiisli. 

 SIciulcr, strongly attcmuitc jiiitciiorly, Irss so posteriorly; sniootli, 

 'Sparsely pilose, feet more densely. Preiieiisoriiii I'eet sparsely pilose; 

 st»'riiuni subeordifonn, wider than lony" (.">: 2. .'i); coxa twii'c as wide as 

 lonji, unarnieil; last joint nnarnie<l; claw moderately cnrvod: 'xeavated 

 bi'iieatli, as lonj;- as tlu' bead is wide. ('epliali(^ plate sub(|nadrat«', ol" 

 abnost eipial leiiiitli and widtii, jiosterior maijiin eoncealed by basal 

 ]date; jireliasal plate conceakMl; l)asal plat(^ Ibnr times as wide as lonj^- 

 (!..■>: 1.2). I'iist jtair of feet short, anterior and posterioi- sube(|ua]. 

 Posteiior eoxa rather str(»nfjly intlated, pilose; pores few. lar^e and 

 small, i)laced in two irrej»nlar rows alon;4" the ventral plate, which is 

 very wide, sides rapidly converuinii' and substraijjht. fiast pair of 

 feet of male rather slender, aimed; of female somewhat more slender 

 and armed. l*airs of feet of S, MO; of 9, 83. Lenj.;th of body <i ^ 

 .'U..")""", width, ().."»"""; 9 , .■").■)..")""", width, 1.1""". 



This species ouyiit to form a new i;enus, but havin;j^ only an adult 

 female and a youny male, I have not been able to <'xainine tlie moiith- 

 l)arts. 



It (litfers from S('(>lio2)I(iii(s in the chara<'ters of the cei)hali(; plate, 

 prehensorial feet, and the last ventral i)late and i)air of feet. 



12. Scolopocryptops sexspinosus (Siiv). 



Si)ecimens from this locality, as well as those from more Southern 

 ones, differ in some imi)ortant details from the Xorthern s])ecimens, 

 ])rincipally in haviu«i' the last i)air of lefjjs more slender and the last 

 ventral [date narrower; but these characters do not seem to warrant 

 the formation of a different species. 



13. Scolopocryptops nigridius McNeill. 



14. Theatops crassipes (Meinert). 



Two specimens obtained, which aj^ree with specimens from Florida. 



15. Cryptops hyalinus Say. 



16. Lithobius Branneri IJoUman. 

 Four specimens were found here. 



17. Litiiobius caecus, sp. uov. 



