184 INDEX. 
Page. Page 
Seirpus 176 sa s wells 30 
fero bodfaulo iuuassalco.s«aes aque curis. opas 163 
Screw-tree 163 pom 32d and 34th parallels cs 5 
Serophulariaceze 168 32d parallel, near Guadalupe mountalas........ 7,8 
Scutellaria 169 Valley of the Dodol; --2-..d-e Sey weueess cece a 8,29 
Selenia 160, 177 Valley of Red river 9,24,25 
A a a A LINT MA T Valley of the Brazos - - - - 9, 26-27, 40, 88 
RIEN ES aa a umauu aE nar Vaa 164 | Country drained by tributaries of Red river.... 10 
BONG lu er a Wusqsesseüedssque ev mug aug uad 160 | Between = i and Rio Grande valley...... 10 
Simsia 166 | SU Nan eic iatihe wid dcais e ERROR debis trs 2 
TEL FM MERC PLN 159 | Colorado ans 22, 27, 28 
Sisyrinchium 176 | East face of Guadalupe mountains ............ 11,44 
Smilaceze 176 | West face of Guadalupe mountains....... ascos 11 
Smilax 176 | Trinity River valléy..............--- ----..-- 26 
Solanaceze 172 |  — Llano Estacado 28, 41-42 
olanum 172 | Between Red river and base of Llano Estacado. 40—41 
Solidago 166 | Between Pecos river and Rio Grande 42-45 
Sophora 163 | (See Wood.) 
HDBEIAIGOB «— «oe choreo acsi nas cies eeoa ue cie 161 | Tonkawa Indians 17 
Stegnocarpus...... , 169, 178 | EEA river and valley......... e —— 26 
BUCMRNGIIUIN s oeeaeseccwdasueccsdsus oudecrenTPWe 168,177 | Tephro 162 
Stellingia 174 | Teucrium ' 169 
Streptanthus 159 | Thelesperma 167 
Strombocarpa 163 | Tiquilia 171 
Stylosanthes 163 Tornio 163 
Sueda T PER is rca uma eapropter 166 
T. Tradescantia 176 | 
Tables— Fragia I | 
Cost, length &e., of road 45 | Tripsacum, Hi. 
Ascents and descents 46 U. 
ry Collection seus «asses ene eren biel Upper Cross Timbers 26, 40, 90 
Analyses ———À 2.2. 95, 96, 97 Utah Indians 17 
Analyses of mineral waters 9T | oi onde UE 165 
Camping places on line of survey...... sowo qiiis 98-9 Ungnadia 162 
Meteorological observations 100-103 Unibond 175 
Latitude, longitude, and magnetic declinations.. 104 
Altitude of stations above sea-level 105-107 Y: 
Observations for determining profile from El | Valerianacesm. a 166 
a80 to Preston- suseso ooe enone eene 108-110 | Verbena 169 
Observations for determining profile from Emi- Verbenacem TITTEN 169 
grant Crossing of the Pecos to Big Springs of Veronies .... 168 
Colorado r 111 Vesicaria 159, 160 
Observations for determining profile through San Vicia 162 
Augustine Pass of the Organ mountains...... 111 | Vitacess 162 
Astronomical observations 112-156 | wis, 162 
Tanks— 
Alamos iw | W. 
Cornudos, or Thorne’s well 11,30 | Waco Indians 17 
Hueco 7,11,30 | Water— 
(See Springs.) Between 32d and 34th parallels 5 
Taplin, Captain C. L Between valley of Rio Grande and Red river ... 6 
Charge * isciesicat Collection «2. eee vew» sees 3 Between valley of Rio Grande and Pecos river. 6, 42-45 
Detail o 59 stad Arkanges and Rio Grande valley...... 10 
Inst m to fi ining the Llano Estacado 60 g 11-12, 21, 98-99 
rt 73 In Llano Estacado............. .... 11, 21, 28-29, 35-38 
Terminus (eastern) of the road 49 Route foin = Vaca bay ie Doña Ana..... .... 23 
| Valley of 23, 99-30 
Between Red river and Llano Estacado........ 40-41 
f 
50 | Jornada del Muerto 24 
| 
