LIST OF ILLUSTRATIONS. 



CXJTS. 



Page. 



Volcanic dust and saud flakes 100 



Tht'iinal lines of Mexican boundary 453 



Spon;;o Hpiculis (Meyenia plutnosa,ya.y. Palmeri) 587 



Fox bUcIoI on ready for packing '. C80 



llyoid of do;; 681 



Shonldcr-l)lad(j of rabbit C81 



Skeli ton of jiorpoiae 682 



Pelvis of rur»iop« 682 



Wiii;;ofGnat HoruodOwl 683 



II\<iid of Gnat Blue Uoron 6«3 



ScliiotaU of Great Blue Heron 683 



Ski li ton «f bird ready for packing; 684 



Sliell of Chrytemys marginata 684 



Liiii b of Fylhoii molar ux 684 



Ski leton of Mountain Sheep 686 



Plates I-XXV at the end of the volume, each accompanied by its explanation. 



vn 



