VI CONTENTS, 
, PAGE. 
— the I'ivcr Ostiita, — its waters to feed the proposed Canal, — the 
ground north of Chivela, Guichicovi, and Boca de Monte, — first 
sight of the Coatzacoalcos at Mai Paso, its transparency, firm Clay 
banks, slow current, — its borders lined with thick woods. — Exclu- 
sion down its course to its mouth, — weather then unfavorable for 
observations. — Visit to Acayucam, — the Jumuapa. — Return to 
Tarifa, — Venta de Chicapa, — ground examined from San Miguel 
to the river del Corte, — the Upper Coatzacoalcos. — Cerro do 
Albricias, — the view from this fixes the choice for tlie passage 
of the Canal over the Gap of Tarifa, — its minute description. — 
Departure of Capts. Robles and Gonzales to survey the Coat- 
zacoalcos, — the river Chicapa. — Tarifa and the Ultimo Rancho 
have the same level.— -Volume of the waters of the Chicaj)a below 
its junction with the Monetza. — Cerro del Con vento. — Source of the 
Monetza and river at Tarifa, same level, — also tlie Portillo ; — the 
Ostuta examined and practicability of joining its waters by a 
conduit to those of the Chicapa. — Capt. Robles completes the 
survey of the lower Coatzacoalcos, and examines the upper waters 
to the Sarabia.-^Sv. Moro explores the ground from Tarifa to the 
confluence of the Malatengo with the Coatzacoalcos, also from 
Tarifa to the Rio del Corte. — Re-inspection of the proposed line of 
Conduit ff>r the joint waters of the Ostuta and Chicapa to Tarifa by 
Messrs. Moro and Robles and their confirmation of its practica- 
bility, — final return of the Commission to Tehuantepec, the explo- 
ration of the Isthmus being completed 33 
CHAP. V. 
Sduvey of TiiE Coatzacoalcos, rises in the Sierra Madre — examined 
from the confluence of the- Chimalapilla all the way to the sea. — 
'I'he streams of importance are, (on the right bank), the Chimala- 
pilla, — del Pinal, — Chalchijapa, — at the Horqueta the right branch 
is called Apotzongo — branches re-unite near tlie Rancho del 
Mariscal — Coachapa- — Uspanapan — Creek Coatajapa and several 
useful Lagoons — (left bank) the Milagro — Escolapa — Malatengo 
— Sarabia — Junuiapa — Jaltapec — the Naranjo and Penas Blancas 
— the river divides at the Horqueta; to the left is the Mistan 
forming the Island of Tacamichapa — Creeks, Tacojalpa, Ojazapa, 
Cuamecatan, and Tacateno — the river Calzadas — whicli ])ranches 
off and enters the sea at the Barilla — The borders of the Coatzacoal- 
cos and its tributaries covered with dyewoods, mahogany and ' 
other fine trees and forests of timber fit for ship-building — the 
Upper Coatzacoalcos abounds in lofty pine trees — Coatzacoalcos 
navigable for the largest slii])s fin- .'Mi miles — the bar does not shift, 
and leaves two entrances — has 20^ feet over its western passage — 
TniS IlAKIfOUR TUE FINEST IN THE Gui.l- OF MeXICO 49 
CHAP. VI. 
Statistical notes of the Isthmus of Tehuantepec. 
Southern division in the department of Oajaca — the northern in that ^ 
of Vera Cruz — Fnhabilants -Cliiuate — Minerals — Vegetables — 
Animals — Agriculture— Cuttle — Salt — Industry — Antiipiitics . 58 
