IjSTDEX. 



[Xew names in black-face type; synonyms in italics.] 



Dipus, 9, 13. 



americamtt, 10, 19. 



canadensis, 10, 15. 



hudfonius, 11, 15. 



labradorius, 11, 15. 



nulUvorus, 11-12. 

 EozapiiM (submenus), 37. 

 GerbUlui, 9, 13. 



brachi/urus, 10. 



canadensis, 15. 



daviesii, 10. 



labradorius, 15. 



megalops, 11. 

 niger, 12. 

 soricinus, 12. 

 !acw, 12. 

 Ztt, 10, 13. 

 !rtcai, 15. 

 ilsonius, 15, 33. 

 abradorius, 15. 

 3/e one, 9, 13. 



cadicu*, 10, 15. 

 labradorius, 15, 33. 

 microcephaly.*, 12,15. 

 ni'nioralis, 12. 

 Muslongipes, 11. 

 .\:i|>:ro*:i|>iiN (subgentm), 33. 



key to species, 33. 

 Zapus, 10, 13, 14. 

 distribntion,6-7. 



22095 No. 15 4 



Zapus Continued- 

 habits, 7-9. 



history, 5-6. 



key to species, 14-15. 



key to subgenera, 13. 



list of species, 13-14. 

 Zapus alleni, 10, 27. 



hudsonius, 15-17,33. 



hudsonius alascensis, 10, 18-19. 



hudsonius americanus, 10, 19-20. 



hudMoniiiH campcalritt, 20-21. 



hudsonius canadensis, 15. 



hudionius hardyi, 10, 15. 



hudsonius ladas, 11, 17-18. 



imperator, 11,26. 



insignis, 11,33. 



insignia nbictorum, 3C-37. 



inaiguiN roanenMin, 35-36. 



major, 24-25. 



inontanus, 12,28-29. 



in al< ii-i-. 25-2G. 



oral-ills, 29-30. 



pacificus, 12, 30-31. 



princeps, 12, 22-23. 



priiiccps minor, 23. 



li-in< p- orcgonaN, 24. 



saltator, 12, 31-32. 



setchuanus, 12, 37-39. 



tenellus, 12, 21. 



trinotatus. 12-13, 26-27. 



trinotatus alleni, 27-28. 



