APPENDIX. 
20.') 
Exact transvfivse sections of tlie wliolo river, and nieasuriugs of its volmdty for tlie 
]nirpose of oalcidatiiig the quantity of the water, were taken on many points ; and the 
deepest channel was fathomed throughout tlie exjilored course. 
For the principal objects of our exploration, that is, for the comparative estimates 
of expenditure for a railroad along its shore, and for canalisation of the river, and 
for the completion and rectiflcation of the googi-nphical maps, this mode of survey 
was thoroughly adequate ; and on the results so obtained the concession giunted 
l)y the Brazilian Government to Colonel G. E. Chiu'ch was based and worked. 
The results of the measurings are as follows: — 
LoxommE axd LATmniE of the PniNCirAi. Poixts. 
Nionos of the roinls. 
Sent)) Latitude. West T.ongitnde from 
Kio de Janeiio. 
] On the Lower Madeira— 
-Murassutuba . 
0° 
37' 
37" 
0 
j f 
Illia das Baetas 
h” 
18' 
28" 
7 
>> 
}> 
Espi'rito Santo 
0” 
4.3' 
20" 
5 
f j 
} } 
Crato .... 
7“ 
31' 
3" 
4 
) f 
J J 
Domingo Leigue 
8° 
36' 
4" 
0 
On the Uppor 
Madeira— 
-Eapid of Santo Antonio . 
8° 
49' 
2" 
6 
21° 
29' 
8" 
l’’all of Theotonio . 
8° 
52' 
41" 
0 
21° 
30' 
57" 
} f 
Eapid of Morrinhos 
9" 
F 
45" 
(> 
21° 
36' 
30" 
Mouth of the Jacipni’and . 
9° 
10' 
9" 
0 
21° 
42' 
20' 
Caldeh’ao do Inferno 
9“ 
15' 
48" 
0 
21° 
52' 
14" 
1 ” 
1 
jj 
Fall of GiiTio 
9° 
20' 
45" 
0 
21° 
54' 
22" 
1 
J » 
Eapid of Tros Trmaos 
J f 
liapid of Parediio . 
9" 
36' 
37" 
7 
22° 
13’ 
4" 
if 
Eapid of Pederneira 
9° 
32' 
7" 
0 
22° 
20' 
20" 
Mouth of the Abuna 
15' 
Eapid of Araras 
9° 
5o 
5" 
8 
22° 
20" 
ff 
Eapid of Periquitos 
lO" 
22° 
8' 
.30" 
„ 
) t 
Fall of Eiheirao 
iir 
12' 
52" 
1 
} > 
}t 
Eapid of Madeira . 
■Month of the Beni . 
10° 
20' 
0" 
0 
22° 
12' 
20" 
f> 
J’ 
Eapid of Lages 
Eapid of Pao Grande 
Fall of Bamuu'ira . 
,, 
)t 
Eapid of Guajai'i! Merim . 
10° 
44' 
32" 
8 
22° 
3' 
42" 
2. PiSTAXOE.S BETWEEX TtlK PRINCIPAL PoiXTS. 
Extreme Poiiits. 
Length in 
Statute Miles. 
Developed length of the rivcr-course from the mouth of the Madeira to 
Santo Antonio 
„ ,, ,, Santo Antonio to Gnajara Merira 
,, ,, Gnajara Merim to the mouth of the Mmiiore 
,, ,, the mouth of the Mamore to Exaltacion 
,, ,, ,, Exaltacion to Trinidad .... 
The total of tlieso distances, 2,412 miles, is the length of the journey, there and 
hack, made hj- the c.xpedition in canoes. 
560 
225i 
1021 
130 
188 
'V 
