Vlll 
CONTENTS. 
PAGE. 
No. 4. Communication from Don Jose de Garay, informing the 
supreme Government that the survey of the Isthmus was con¬ 
cluded,—and answer to the same from the government.108 
No. 5. Decree granting to Don Jose de Garay, the term of a year, 
according to his request for the commencement of the works. . . 109 
A. 
OBSERVATIONS. 
Table I. Latitudes astronomically determined.Ill 
„ 2. Geographical positions of the principal points of the Trian¬ 
gulation ib. 
Table 3. Altitudes from Trigonometrical measurements . . . . 113 
,, 4. Barometrical altitudes.ib. 
„ 5. Heights above the level of the sea on the road from Tehu¬ 
antepec to Puebla.114 
B. 
GEOLOGY. * 
Catalogue of the Geological collection founded in the Isthmus by the 
Commission. 115 
C. 
STATISTICS. 
Table I. Notices of the towns and villages in the southern divison of 
the Isthmus with their population.119 
“ 2 Notice of the principal Haciendas and Ranchos of the 
southern division with their number of cattle.120 
“ 3 Towns and Villages of the Northern division, population 
and cattle.121 
“ 4 Haciendas and Ranchoes of the northern division— 
population and cattle.122 
“ 5 Summary of Inhabitants and cattle.123 
D. 
Table of distances to the principal ports in the Pacific and Indian 
Oceans, compared with voyages to the same, via the Isthmus of 
Tehuantepec .125 
E. 
Table of various canals in the United States—Canada—France— 
Holland—and Great Britain.128 
