( S ) 
fl 
with- pacfc or rider. 
After crossing the Salisepuedea , there is still a level part and the'n a 
moderate grade coming to the top of the Mesa de lUietlaltoyuca, near where 
the ancient ruins are to be found. 
Later we will treat of the iViesa, stating that we are adding a map of the 
road and the lands which we came to study, also a vertical cross section of 
the road, from which a better idea of the variations in elevations of the 
aoayxbK country passed ovei may be seen. 
Ai^IUAL and VLaLTAdLL KIA^GDQ^S. 
To make a thorough study of these branches > it. Is necessary for a person 
tohavespecial training in these sciences, to pass a great deal of time in 
the locality. The vegetation of- the mountain being rich and varied, which 
applies equally to the animal kingdom. 
Considering the little than has been done along these lines in this 
country, it is easjs to believe that many new species may be found in both. 
Before leaving the City we had arranged with the ministry , that a natural- 
ist from theScientif ic Commission of the Valley should accompany us, who 
might have added an article on the subject, who though not having raade a 
formal study of the material at hand, but whose knowledge and hia practice 
would be a great help in producing said article. 
Cnf ortunately ,este Sr. Joriulanuel Villada,who promised to go with us was 
suddenly taken ill, and could not take the journey. 
In order not to leave a vacancy we^Wlll attempt give some ideas. 
On leavinfthe valley of Tulancingo and entering the mountains the,"^'^© 
vegetation begins to become more and more luxuriant , until we reach the 
climax of the tropics, but along the coast it begins to degenerate again. 
Crossing the upper |iateau we only saw pines, soft and hard, and oaks wiLb 
beautif-ul foliage. 
wear iicazuchltlan maguey is cultivated and here it reaches large ainee; 
the village we aa.y^ many apples and beyond blackthorn. 
jujU fxuauchinango the vegetation ie much more luxuriant , the wood., are 
dlflferent varieties of timber and in the town there are so many varieties 
of fruit and flowers it would be difficult to mention them.fou find the 
liquidamber , called oc otzotle ,and beautiful oranges hide the houses. The 
Chinese cabbage reaches colossal sizes and what drew my attention most 
was the corn, which attained the height of 4 to 5 meters and had not yet 
reached maturity. 
From La Venta to Xico you find coffee , mangos and in the woods the giant 
fern, noted for its durabllit and the high color of its fibres. 
Going on down you find bananas , sugar cane jtobaco, cotton, rice and the fruit 
trees of the tropics. 
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