1 9© Annals Entomological Society of America [Vol.11, 



Coxal pores small, round, the distal ones in each series largest 

 3. 4, 4, 4. 



Gonopods of female with the claw tripartite, the lobes short and 

 blunt, the outermost usually less developed than the innermost; 

 basal spines 3—3, decreasing in size from outermost to innermost on 

 each side, each spine conically pointed. 



Locality. — Lake Point, Utah. Under stones alons: foothills. 



'?-> 



37. Lithobius monticola Stuxberg. 



187."). Ofvers. af Ivgl. Vet.-.Akad., No. 2, p. (kj; -\o. 3, p. 80. 



Seyeral specimens from Hayward, Cal. 



38. Lithobius sierra vagus Chaniberlin. 



1903. Proc. Acad. Sci. Phil., p. 1.54. 



Pirllman, Washington, common (Alann). 



39. Lithobius xanti (Wood). 



1862. Bothropolys xanti, Wood, Journ. Acad. Sci. Phil. V, p. 1."). 



1865. Bothropolys xanti, Wood, Tr. Am. Phil. Soc, XIII, p. 152. 



1875. Lithobius xanti, Stuxberg, Ofvers. af. Kgl. Vet.-Akad., No. 3, p. 27. 



1887. Lithobius xanti, Bollman. Proc. U. S. N. M., X. 



Common at Pacific Grove, Los Angeles, Santa Barbara, San 

 Bernadino, etc., Cal. (writer). 



40. Lithobius multidentatus Newport. 



1845. Linn. Soc. Tr. XIX, p. 365. 



1862. Bothropolys mobilis. Wood, Journ. Acad. Sci. Phil., V, p. 15. 



1865. Bothropolys multidentatus. Wood, Tr. Am. Phil. Soc, XIII. ]). 152 



Chapel Hill, North Carolina; Virginia; W^ashington, D. C; 

 Michigan; Ithaca, Penn Yan, etc. New York. Common in all 

 these localities. 



41. Lithobius celer Bollman. 



1888, L. Entom. Americana, IV. 



One specimen , agreeing fully with the description of this species, 

 from Michigan. 



42. Lithobius mordax L. Koch. 



1862. Die Myriopodengattung Lithobius, p. 34. 



Specimens from Louisiana. 



43. Lithopius forficatus (Lmnaeus). 



1758. Scolopendra forficata, Linnaeus, Syst. Nat., I, p. 638. 



1815. Lithobius forficatus. Leach, Tr. Linn. Soc, XI. 



1821. Lithobius spinipes, Say, Journ. Acad. Sci. Phil., II, p. lOS. 



1845. Lithobius americanus, Newport, Tr. Linn. Soc, XIX, p. 365. 



1862. Lithobius americanus. Wood, Journ. Acad. Sci. Phil., V, p. 14. 



1865. Lithobius americanus. Wood, Tr, Am, Phil, Soc, XIII, p. 148. 



1875, Lithobius forficatus, Stuxberg, Ofvers, af Kgl. Vet.-Akad. Forhandl., etc. 



