Geological researches in China, Mongolia, and Japan, during the years 1862-1865.

INDEX. 143
Yangtse, N. E., S. W. trend Yellow river rises in Yesso, coal at various Yukung, 47
of middle course of, I Kwenlun moun- points on, 106 Yukungchuchi, 47
flows alternately in tains, 48 infusoria in volcanic Yulin (F), 56, 59
longitudinal and an object of con- ashes from, 127 coal-basin of, 63
transversal valleys, 3 stant terror, 48 infusorial earth from, Yulin (C), 58
from Hankau to the recent shifting of under microscope, 126 Yulin (H), 56, 59
sea, 7 mouth of, from rock skeleton of south- Yung (H), 59, 61, 111, 112
ridges crossing the, 65 Yellow sea to ern, 105 Yungchang (F), 57, 58, 61,
formerly entered sea gulf of Pechele, submerged during de- 66, 112, 116, 118
through three arms, 49 position of volcanic Yungchau (F), 58, 111,115
48 channel of the, be- conglomerate, 106 Yungchun (C), 112, 115
changes in the fall of, 9 tween Shansi volcanic cones numer- Yungking (H), 114
recent terraces in val- and Shensi, 44 ous on, 106 Yunglung (C), 59
ley of, 8 great floods referred forests of, 79 Yungmen (H), 112, 116,
absence of eruptive to overflow of, 45 population of, 79 118
rocks on, 62 Chinese histories rice and silk culture on, Yungngan (H), 116
Yangtsung (H), 112 of, 47 80 Yungngan (C), 61
Yao, great flood in the reign Biot on changes in roads in, 79 Yungning (C), 116
of 44 course of, 47 Yew, 123 Yungpeh (T), 59, 61, 112,
of, 44.t.dykes of the, 47 Yih (H), 110, 113 116
Yau (C), 59, 61 subjugation of the, Yih mountain, 113 Yungping (F), 46, 56, 60,
Yanking (F), 58 in early times, 47 Yihte (H), 57, 110 109, 113
Ychng (H), 56 great overflow of, Yin mountain, 115 Yungshun (F), 111, 117
Yedo Bay, 107 to northeast, 47 Ying (C), 60 Yungsui (T), 115, 117
country around bay of, great difficulty in Ying mountain, 114 Yungtsang (H), 60, 111
lv~107 ~controlling, 48 Yingkiang (H), 117 Yungtse, lake, 47
Yehchintsung, 57 the bed of, higher Yingliang mountain, 113 Yungyang. (F), 114
Yellow river, or Hwang than adjoining Yingmachuen, garnetic Yungyang (H), 59, 111
Ho, 2, 43, 44 plains, 48 gneiss at, 36 Yunko mountain, 57
N.E., S. W. trend Barrow's estimate Yingte (H), 61 Yinkung shan, 57
of upper, 1 of silt discharged Yingting (I1), limestone Yunnan province, 58, 59,
explanation of by, 49 and cavern near, 52 61, 64, 112, 116, 118
maps of lower importance of, in Yingwo mine, analyses of hydrography of, 66
course of, 47 time of war, 48 anthracite from, 19, 125 Yunnan (F), 112, 116, 118
historical changes Yellow sea (or Hwang Yinkung, 116 Yunogawa, warm spring
in the course of, Hai), 44, 49 mountain, 115 at, 89
46 Yen mountain, 110 Yintau (C), 57 Ynseh (H), 116
in the time of Yu, Yenchau (F), 58, 60, 110, Yintie mountain, 58 Yuntsung (Ts), 116
before 602 B. C., 112, 113, 115, 117 Yinyen, 113 Yunyang (F), 57
47 limestone mountains Yinyu, 113 Yurup, 105
in time of Ting near, 52 Yochau (F), 61, 111, 115 creek, 90
Wang (Chow Yenching (H), 110 Yohyang (H), 111 lead mines of, 102
dyn.), 47 Yenchu (H), 56 Yokohama, neighborhood amount and cost of lead
changes in, under Yenchuen (H), 57 of, 107 production at, 103
Wentih, 160 Yenking (C) the eastern country south of, 108 village of, 104
B. C., 48 limit of ancient lakes, 43 diorite, gabbro, and Aino village near, 90
changes in, 11 B.C., Yenngan (F), 57 serpentine near, 107 Yushan (H), 114
48 Yenping (F), 112, 115 Yoyang (H), 56, 109, 114Yushan,
under the Tang Yenshan mountain, 61 Yu (C), 110, 113 Yut (H), 1
and five sue- Yenshi mountain; 58 Yu (H), 113 Y6114
ceeding dynas- Yenting (H), 111 Yu (C), 56, 114 Yuyang (),,11
ties, 48 Yentsang (pu), 59 Yu drains the Empire, 45 Yutsun (),
from A. D. 70 till Yenyuen (H), 59, 60, 111, Yellow river in time of, ya H), 115
1040, 48 114 47
1040, 48 114entsin 48 47 Zamia lanceolata, 121
under Sung dy- Yentsin, 48 Yuen river, 65, 66 Zami lanceolat, 121
nasty, A. D. Yesso, Japanese island of, Yihwang mountain, 113 Z ite m
1048-1194, 48 79, 107, 108 Yuhopu, 59lig d
under Kin dyn., geological itineraries in, Yuenamensis, Rhyncho-
48 79 nella, 55 Zincblende in copper vein
under Yuen and a point of intersection Yuenchau (F), 61,115,117 at Saidoma, 89
Ming dyn., 48 of three systems of Yuenchu (H), 113 in Kakumi veins, 85
great divergence of elevation, 106 Yuenmau (H), 58, 118 in lead veins, 80
lower arms of, ammonites from, 106 Yuenmo (H), 59 in Yurup veins, 102
during 3,000 analysis of coal from, Yuhlin (C), 116 Zircon-sand in Kunnui
years, 48 125 Yuki (H), 112, 115 gravel, 91
PUBLISHED BY THE SMITHSONIAN INSTITUTION,
WASHINGTON CITY,
AUGUST, 1866.