113 
TABLE No. 3. 
Altitudes resulting from trigonometrical measurements. 
Summit of Daniguiati .... 
Top of the cupola of the church of Juchitan 
Basement of the same church 
Monapostiac ...... 
Umalalang ' ...... 
Daniguibixo . 
GuieSvichi 
East peak of Cerro Prieto .... 
Guievixia .. 
Masahua (the middle summit) 
East summit of Huacamaya 
Cerro de Laollaga. 
Palo Blanco .... . . 
Estate of Tarifa (the place of the habitations) 
Cerro de Piedra Parada .... 
Id. del Convento .... 
Paso Partida. 
Masahuita . 
East summit of Masahua .... 
Guiexila. 
Peak of the Cerro Atravesado 
The highest peak beyond it ... 
Heights above the 
level of the sea. 
metres 274, 5 
35, 8 
18 
111 
218 
298 
416 
460 
598 
687 
775 
. 1243 
371 
208, 5 
416 
446 
466 
615 
696 
. 1152 
1529 
. 2343 
TABLE No. 4. 
BAROMETRICAL ALTITUDES 
Across the Isthmus of Tehuantepec. 
Heights above the 
level of the sea. 
Umalalang.metres 
Mitiachuaxtoco.. . 
Daniguibixo. 
Venta de Chicapa (house at the estate) ...... 
The river Chicapa, near the Rancho of la Puerta Vieja 
The river Coatzacoalcos at the confluence of the Chimalapilla 
Source of the stream Monetza. 
Petapa (the town house) ........ 
The river Chicapa at the Ultimo Rancho. 
220 
250 
296 
24 
83 
119 
196 
204 
208 
II 
