FACING PAGE* 



Plate 49A. — David's Squirrel. (Sciurotamias david- 



ianus) . . .. .. .. 120 



„ 50. — Three-toed Jerboa. (Dipus sowerbyi) . . 122 



,, 51. — Suslik. (Citellus mongolicus) .. .. 126 



5 1 A.- — Polecat. (Mustela larvata) .. .. 126 



52. — AUactaga. (Allactagamongolicalongior) 128 



52A. — The Pika. (Ochotona annectens) .. 128 

 „ 53. — Wild Pig. (Sus moupinensis) . Shot 



near Yen-an Fu, Shensi . . . . 136 



,, 53A. — Domastic Pig .. .. .. .. 136 



54. — Mud Turtle. (Trionyx sinensis) .. 140 

 54A. — Day's Bag near Yen-an Fu. Roedeer, 



pheasants and hare . . . . 140 



FACING PAGE. 



Plate 55. — The Summit of Mo-erh Shan, Shansi . . 144 

 ■ • 55A- — Sandstone Beds, west of the Chiao- 



ch'eng Shan, Shansi . . . . 144 



„ 56. — Loess Plateaux, east of Fu-chou, Shensi 148 



,, 56A. — Loess showing stratification, Shansi . . 148 

 „ 57. — Valley near Chen-yiian Hsien, showing 



the dip of the Sandstone beds . . 150 

 ,, 58. — Sandstone Strata at Sui-te Chou, 



Shensi . . . . . . . . 154 



,, 58A. — Canon in Limestone Formation west 



of Fcn-chou Fu, Shansi . . . . 154 



MAPS. 



General sketch of route followed by expedition 



(Scale 1/6,000,000) . . . . Frontispiece. 



Route of the Clark Expedition through Shansi, 

 Shensi and Kansu (Scale 1/1,000,000) 



(In pocket at the end) 



