Synoptic Index 



1267 



Yellow Gopher, see Ground-squirrel, Rich- 

 ardson. 



Yis-pay-na or Deermouse, 490. 



Young, Gen. S. B. M.„ on long Beaver 

 dam, 457. 



yAPUS (genus), 587. 



Zapus hudsonius, 587, 589. 

 Zapus hudsonius alascensis, 588, 589. 

 " " americanus, 588, 589. 



" " campestris, 588, 589, 



604. 

 " " ladas, 588, 589. 



" insignis, 589. 

 " major, 589. 



Zapus nevadensis, 589. 



" orarius, 589. 



" pacificus, 589. 



" princeps, 589, 592. 



" " minor, 589. 



" " oregonus, 589. 



" saltator, 589. 



" tenellus, 589. 



" trinotatus, 589. 



" " alleni, 589. 



" " montanus, 589, 592. 



Zee-cha or Red-squirrel, 307. 

 Zone, Austral, 19, 20. 

 " Boreal, 17, 19. 

 " Transition, 19, 20. 



