129 7 
in latitude 32°,-and itis clear from what precedes, that it must be 
nearly one degree further south. Do you think that I may in my 
sketch set it down at about latitude 31°? ; 
4th. The cultivation of cotton is one of great general impor- 
tance. As now informed, I believe that, independent of varieties, 
there are but two distinct species: the black seed, which is the na- 
tive American, and found as such no where else, and the green 
seed, which adheres to the staple, of Asiatic origin, thence brought 
to the Levant and the Mediterraenean, and imported into North 
» America, of which it was not a native. I cannot obtain inthis city 
a copy of Bomplant’s great botanical work, which would have thrown 
much light on the subject. I wish now to know, whether you took 
any notice of the cotton cultivated by the Pimos, and what species 
it was? I presume that it was not a native of that region, and 
that the seed must have been imported from Mexico, 
I now proceed to that which relates to the Indians, who are the 
principal objects of my researches. / 
“sib ave compared your vocabulary of the Coco Maricopas: 
with those of the four Mexican languages in my possession, and of 
thirty-two well ascertained families of Indians, living within the 
_ United States or further north, and have found no resemblancé with 
either. It is to me a quite new language, but there is a remarkable 
word. Apache is the word for man; and judging by analogy from - 
several other Indian languages, they should be Apaches or belong- 
ing to that family. Thus, for instance, amongst the Algonquin 
tribes, the names assumed by two of them, Illinois and Linno Li- 
nap, are evidently derived from Linno, a man. However this may 
e; I wish to have some further information respecting that tribe; 
to know with as much precision as you can, the quarter whence 
they came; their present location in reference to the Pimos, and par- 
ticularly whether and what they do cultivate; also, whether they ° 
are wilder than the Pimos, and whether on good terms with them. 
. 2d. You say that the accounts, by report, of the Indians-to the 
mouth of the Gila are conflicting and of an indefinite character. 
This observation applies to every information derived from other 
sources. We have as yet only vague rumors. Yet I wish to col- 
lect all these, as far as possible. A few legitimate inferences wae 
perhaps, be drawn by comparing them together; but it is principally 
for the purpose of enabling me to point out the most important ob- 
jects of inquiry that I wish to be thus informed. You will, there- 
fore, oblige me by communicating such rough notes as you may 
have taken on that subject, and also what were the abodes and 
occupations of the few scattered Indians whom you met on your 
journey. : is Pile. | 
(a.) Have you, by any direct observation, ascertained within 30’ 
the positive longitude, in reference to Greenwich, of any point on: 
the Rio del Norte or vicinity which may serve as a starting point ¥ 
There must be some kind of a dividing ridge which separates the 
waters of the river Gila from the waters that empty into the gulf 
of California. From what you say of Colonel Cooke’s Mea y 
~ would infer that he left the Rio Norte a short distance aboye - 
9 an 
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