Til: iJi LLETIN 46, UNITED STATES NATIONAL Ml'SEUM. 



All tliP 8toinat&f except tlio fli-Ht, of iioarly eqiuil length, fir8t about 

 4 times in U>n^th of thedoisiil i>late. 



Fet't iinwlerati'ly rarinatc*!, spines rather iiuineroii8. 



Last pair of feet a little more than twire as loii^ as Ixnly, slender; 

 tibia sunu'wliat clavate, armed with two long, une(|ual spin(>s. 



Forcejjs of the female moilerately short, sparsely pilose, on the inner 

 side of the tirst joint a brush like bun<h of hair; the first joint longer 

 than last (4 :.'{). 



Length of body liO-LT)'""'; last pair of legs 40-55""". 



Habitat. — Kastern United States. 



I have examined specimens of this siwcies from Hloomington and 

 New Harmony, Ind. Scnt'ujcra linceci, the only other speei<'s recorded 

 from the United States, is much snuiller and differs in color. 



NORTH AMERICAN SPECIES OF LITHOBIID^K AND S(.'l'TIGERID^. 



The following is a list of the North and Central American species of 

 Lithobiid(V and ticutigerldm known to date. 



I have used the following letters for the «lift('rent Zoo-Geographical 

 regions a'JS given in the Jteport U. S, Kntomol. Coram., No. 3: 



B = Boreul (Can:ultan) rroviuce. 



E = Eastern (Atlantic, I'rovince (n = north; 8 = south). 



W=: West In«lia or Autillean. 



C = Central Province 



P = Western (Pacitic) Province. 



C A = Central America. 



Family A.— LITHOmiD.'E. 

 Genus I. — Hknkops N-ewj)ort. 



1. Henicopa fulvicorntH (Meinert). K n. 



Genua II. — LlTiionius Leach. 

 Subf^enus Ar<hilUhol>iii>i Stnxberg. 



2. LHhohUis cardinalix BoUmau. E n. 



3. Lithobiiia pullus Bolliuan. E n. 



4. LithohiuH trilohun Bollman. E n. 



5. LithohiuH hilabiattiH Wood. '•] n 



6. Lithobiu8 tuber Bollman. E n. 



7. LithobiuH miniiesota' Bollman. E n. 



8. LithobiuH paradoxus Stuxherfj. P. 



9. Lithobius obesus Stuxberg. P. 



10. Lithobius kochii Stiixberg. P. 



11. LithobiuH joiretisis Meinert. E n. 



12. LithobiuH exitjuns Meinert. E n. 



13. Lithobius hindii Meinert. E n. 



14. Lithobius tolteeus Humb. & Sauss. C A. 



15. Lithobius pusio Stuxberg. P. 



16. Lithobius proridens l\o\h\u\n. En. 



17. LithobiuH monticola Stuxberg. P. 



18. Lithobius bipunctatus (Wood). P. 



