30 BULLETIN OF THE 
“From Ogden I went to Salt Lake City, and thoroughly explored all the 
cafions, gulches, and other favorable places which I could reach in a day’s walk. 
This only resulted in the finding of the typical strigosa and Coopert, both large 
and small. 
“T next went to Provo, Utah, fifty miles south on the same range of moun- 
tains, and there also I found only the typical strigosa and Cooperi, large and 
small. 
“JT then returned to Salt Lake City, and crossed the valley to the west, camp- 
ing on the west side of a range called the Oquirrh Mountains. Here com- 
menced a series of finds that was quite exciting and very interesting to me. 
At the foot of the mountain my attention was attracted to a pile of detached 
rock, usually a good place for snails. After a few moments’ work among these 
stones I was rewarded by finding quite a number of specimens of the variety I 
call Utahensis. (See p. 33.) This has the form of Hemphilli, but is destitute 
of the revolving ridges of Haydenit. The specimens were all constant in sculp- 
turing, but varied very much in size and somewhat in form. I next went up 
the side of the mountain a short distance to another pile of stones (limestone), 
and here I found the variety I call Oquirrhensis. (See p. 34.) This has quite 
prominent revolving ribs, more developed than in the typical Hemphilli from 
White Pine, Nevada. This colony was also constant in sculpturing, but varied 
very much in size, and also in form. I next went along the mountain side, and 
crossed a little ravine, and commenced raking among the leaves and brush on 
the steep slope of the mountain. Here I found a colony of the typical Haydenz, 
constant in sculpturing, but as in the case of the other colonies, variable in size 
and form. Following up this ravine to near the summit of the mountain, 
I found a few isolated specimens of Haydent under stones. Near the summit I 
found two specimens of Cooperi. I then returned to the bushes where I found 
Haydeni, and after some further work there passed along the side of the moun- 
tain a very short distance to another ravine with low bushes covering its sides. 
Here among the leaves I found a colony of the variety I call Gabbiana. (See 
p- 34.) This is a coarse, rough Haydent, with the revolving ribs nearly or 
quite obsolete. This variety also maintained its peculiar sculpturing, but va- 
ried again in size and form. Continuing my course along the mountain side, I 
came to another ravine which I followed up a short distance to a perpendicular 
precipice about fifty feet high, barring farther progress. At the foot of this 
limestone wall I found another colony of one of the smaller forms, elevated like 
Coopert, with the revolving ribs nearly obsolete. Here, then, were five colonies 
of the same species, apparently, living on the same mountain slope, within a 
short distance one of the other, each colony maintaining its peculiar sculptur- 
ing, but varying in size and form. 
“In due time I returned to Salt Lake City, where I remained a few days to 
prepare my specimens. 
“Returning to Ogden, I explored the mountains farther to the north than on 
my first visit, which resulted in finding the variety I have called Newcomb. 
(See p. 32.) This colony I found living among bushes on the steep sides of a 
gulch facing the north, a spot of continual shade. The specimens, both banded 
and plain, were quite numerous ; but beyond the space of about fifty yards not 
an individual could be found either above or below. I also found on a rocky 
eon two or three specimens of Huydeni, nearer Ogden, on the north side of 
the city. 
“From Ogden I went to Brigham City, and quite thoroughly explored all 
that vicinity. Here I found a colony of the small albino strigosa, with and with- 
out the tooth on the peristome. This colony occupied a pile of rocks at the 
foot of the mountain, shaded by bushes, dead leaves, and the débris washed 
down the mountain. I did not find this variety elsewhere, nor was a single 
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