180 BULLETIN 46, UNITED STATES NATIONAL MUSEUM. 



RECAPITULATION. 



The following is a list of the genera and species of Scolopendridw 

 now recognized by me as occurring in North America north of Mexico. 



Subfamily I. — Cryptopin^e. 



1. Cryptops Leach. 



1. Cryptops hyalinus Say. 



2. Theatops Newport. 



2. Theatops posticus (Say). 



3. Theatops spinicaudus (Wood). 



Subfamily II. — Scolopendrenle. 



3. Scolopendra Linnteus. 



(Scolopendra. ) 



'&. Scolopendra dehaani Brandt. 



5. Scolopendra subspinipes Leach. 



6. Scolopendra morsitans L. 



7. Scolopendra xooodi Meiuert. 



8. Scolopendra pachypus Kohlrausch. 



9. Scolopendra viridis Say. 



10. Scolopendra heros Girard. 



{Collar ia. ) 



11. Scolopendra crudelis Koch. 



4. Rhysida Wood. 



12. Bhysida celer (Humbt. & Sauss.). 



Subfamily III. — Scolopendropsinje. 



5. Scolopocryptops Newport. 



13. Scolopocryptops miersi Newport. 



14. Scolopocryptrops sexspinosus (Say). 



14&. Scolopocryptops sexspinosus spinicaudus (Wood). 



15. Scolopocryptops nigridius McNeill. 



16. Scolopocryptops gracilis Wood. 



Indiana University, Bloomington, Ind., June 15, 1889. 



