THE MYRIArODA OF NOHTH AMEFHCA. 85 



Suh;;<'ims Arrliilitliohinx. 



Oiaii^^*', liend :iii<l last srjiinciits <lark, \W\ and antenna^ scarcely 

 paler. K'atlier slender, snuwitli, sparsely pilose: liead subrotund, 

 lon<;er than widr. Antenna' laflier lontj, joints .{1, short. A" fnirc of 

 Dcrlli, lait daiki'f colored in tlie jjhure wiiere they oilj;ht to be. I'ro- 

 sternal teeth 1. Co.xal poi<'s 1', .'{, 4, .'J, ronnd. SpiiM's of the lirst pair 

 ofleet, 2, 2, 1; p«'nultiniate, 1, .'i, 2, 0; last, 1, .">, 1, (►. liast pair of 

 feet moderately Ion;;-. Claw (»f the female «;enitalia loiij^, bih)bed; 

 si)ines slender, inin'r shortest. Lenj;th of body, 10""". 



18. Lithobius lundi Mt-im it. 

 Two spi'ciniens olttained. 



19. Lithobius proiidens Holhiiim. 



20. Lithobius cantabrigensis Mcinort. 



21. Lithobius multidentatus .Nfwport. 

 I'wo specimens obtained. 



(\_M()SSV (" It KKK. Jefferson County. 



The species from this locality werii taken in the woods half a mile: 

 northwest of the railway station. May 22, 1S87. 



1. Parajulus pennaylvanicus (ISramlt). 



2. Geophilus umbraticus ( .McXt'ill ). 



3. Scolopocryptops nigridius Mi-Xtull. 



4. Cryptops hyalinus S;iy 



5. Lithobius braiineri H()llni;in. 

 Two s])(M'iniens obtained. 



6. Lithobius siniilis. sj). nov. 



Snbijfeniis Arrliilithohius, 



lirown, bead and last segment oran<.;e; antenna' dark, feet somewhat 

 l)aler. Moderately robust, rough, sparsely pilose; head subrotund, 

 length ami width su])e(iual. Antenna' short, joints 21, short. Octlli 

 Ui, arranged in <• rows. Prosternal teeth, 4. Coxal i»ores, 4, 5, 5, o, 

 large an<l round. Spines of the tirst pair of feet, 1,2, 1; jtenultimatc!, 

 1, 3, .'5, 1; last, 1, 3, 1, 0. Posterior feet njoderately long. Claw of the 

 female genitalia moderately short, wide, tripartite, lobes short; spine 

 short and stout. Length of body. 11""". 



This species is des(Tibed from one female; it is related to piiUns, but 

 (litters from the latter in the characters of antenna* and the claw of 

 female genitalia. 



7. Lithobius proridens 15olh)iaii. 



University of Indiana, 



EHtomoUnjlriil Lahondor}/, June s., J'^/^T. 



