ACADEMY OF SCIENCES. 137 



Hab. in Oregon, "in the valley of the John Day Eiver " (sec. Harger). 

 Subgen. IV. Pseudolithobius Stuxberg 1875. (Of vers. Kgl. Vet.-Akad:ns 

 Forhandl., arg. 32, N:o 3, pag. 8.) 

 Scuta dorsualia 9, 11, 13, angiitis posticis productis. 

 Pori coxales in pedum paribus 12, 13, 14, 15. 



13. Pseudolithobius megaloporus Stuxberg 1875. 



Syn. 1875. Liihobius megaloporus Stuxberg, Ofvers. Kongl. Vet.-Akad:ns 



Forhandl., arg. 32, N:o 2, pag. 69. 

 Hab. in California ad San Francisco (G. Eisen). 

 Subgen. V. Hemilithobius Stuxberg 1875. (Ofvers. Kgl. Vet. Akad:ns For- 

 handl., arg. 32, N:o 3, pag. 8.) 

 Scuta dorsualia 11, 13, angulis posticis productis. 

 Port coxales in pedum paribus 12, 13, 14, 15. 



14. Hemilithobius eucnemis Stuxberg 1875. 



Syn. 1875. Lithobius eucnemis Stuxberg, Ofvers. Kgl. Vet. -Akad:ns Forhandl., 



arg. 32, N:o 3, pag. 14. 

 Hab. in civitate New York ad Mount Lebanon (G. Eisen). 

 Subgen. VI. Akchilithobius Stuxberg 1875. (Ofvers. Kgl. Vet.-Akad:ns 

 Forhandl., arg. 32, N:o 3, pag. 8.) 

 Scuta dorsualia omnia angulis posticis rotundalus vel subrectis. 

 Pori coxales in pedum paribus 12, 13, 14, 15. 



15. Akchilithobius bipunctatus Wood 1863. 



Syn. 1863. Bothropolys bipunctatus Wood, Journ. Acad. Nat. Sci. Philadel- 

 phia, new series, vol. V, pag. 16. 

 1865. " " Wood, Transact. Americ. Philosoph. So- 



ciety, new series, vol. XIII, pag. 153. 

 Hab. in California cet. trans Rocky Mountains (sec. Wood). 



16. Akchilithobius monticola Stuxberg 187,5. 



Syn. 1875. Lithobius monticola Stuxberg, Ofvers. Kgl. Vet.-Akad:ns For- 

 handl., arg. 32, N:o 3, pag. 14. 

 Hab. in Sierra Nevada (G. Eisen). 



17. Akchilithobius Toltecus Humb. and Saussure 1869. 



Syn. 1869. Lithobius . Toltecus Humb. and Saussure, Eevue et Magasin de 



Zoologie, 2:me serie, vol. XIX, pag. 157. 

 Hab. in Mexico (sec. Saussure). 



18. Archilithobius posio Stuxberg 1875. 



Syn. 1875. Lithobius pusio Stuxberg, Ofvers. Kongl. Vet.-Akad:ns Fohandl., 



arg. 32, N:o 3, pag. 16. 

 Hab. in California ad San Francisco (G. Eisen). 



19. Archilithobius Kochii Stuxberg 1875. 



Syn. 1875. Lithobius Kochii Stuxberg, Ofvers. Kongl. Vet.-Akad:ns For- 

 handl., arg. 32, N:o 3, pag. 18. 



