MAMMALS OF THE MEXICAN BOUNDAHY. 



85 



which is largely formed of gray and brown hornblende-rnica-andesite, 

 infiltrated with quartz andcalcite. 

 The flora is as follows: 



-'&) 



Prosopis glandulosa Torrey. 

 Kceberlinia spinosa Zuccarini. 

 Sapindus marginatus Willdenow." 

 Chilopsis linearis (Cavanilles) Sweet. 



Juniperus monosperma (Engelmann) 



Sargent. 

 Quercus toumeyi Sargent. 

 Quercus dumosa Nuttall. 

 Celtis occidentalis Linnseus. 

 Morus celHdlfolia Humboldt, Bon- 



pland, and Kunth. 



The most abundant shrubs and conspicuous plants are the follow- 

 ing: 



Yucca baccata Torrey. 



Yucca glauca Nuttall. 



Nolina texana Watson. 



Nolina lindUeimeriana (Scheele) Wat- 

 son. 



Dasi/Urion texanum Scheele. 



Agave palmeri Engelmann. 



Fallugia paradoxa {D.Don) Endlicher. 



Krameria secundiflora de Candolle. 



Fouquieria splendens Engelmann. 



Govillea tridentata (de Candolle) 

 Vail. 



Ptelea baldwinii Torrey and Gray. 

 Rhus microphylla Engelmann. 

 Mortonia scahrella Gray. 

 Cereus fendleri Engelmann. 

 Opuntia lindheimeri Engelmann. 

 Opuntia leptocaulis de Candolle. 

 Opuntia arl)orescens Engelmann. 

 Cucuriita fcetidissima Humboldt, Bon- 



pland, and Kunth. 

 Baccharis pteronoides de Candolle. 

 Perezia nana Gray. 



Station No. 12. — Big Hatchet Mountain, Grant County, New 

 Mexico. The main peak lies 18.5 kilometers (11.5 miles) west of 

 Monument No. 44, and has an altitude of 2,545 meters (8,350 feet). 

 The lowest portion of the plain to the eastward, distant about 22 

 kilometers (13.5 miles, has an altitude of but 1,250 meters (4,101 

 feet). The zone of piiion pine occupies the upper half of these 

 mountains. At the base are a few red junipers, and at the summit a 

 goodly number of checkerbark junipers. Agave applanata parryi 

 is found in abundance at the summit, and A. palmeri (" mescal ") at 

 the base. A small spring is said to exist in the Hachita Grande, 

 but it was not discovered. In company with Lieut. Francis G. Irwin, 

 Second Cavalry, I established a camp for Mr. Hozlner in the pifion 

 zone, near the main summit of the Hachita Range, May 18 and 19, 

 1892, visiting the summit and collecting reptiles, birds, land shells, 

 and plants. Mr. Holzner remained until May 25, and collected 

 mammals and birds. 



The principal trees are : 



Pinus cemiroides Zuccarini. 

 Juniperus monosperma ( Engelmann ) 



Sargent. 

 Juniperus paohypMcea Torrey. 

 Quercus undulata Torrey. 



Celtis occidentalis Linnseus. 

 Cercocarpus parvifolius paucidentatus 



Watson. 

 Fraxhius cuspidata Torrey. 

 Chilopsis linearis (Cavanilles) Sweet. 



