cal formation was primitive throughout. There was The Crossing 
particularly much basalt. Here and there, too, one Movetaine— 
finds traces of that same lava which we later found *” 
spread over great areas. ‘The vegetation was rather 
luxuriant. A quantity of wild flax particularly struck 
us. The scenery was generally wild and romantic, 
but I was unable to enjoy its beauties, for I had felt 
somewhat unwell even at the Green River. With the 
hope that traveling would soon restore me, I had 
forborne as yet to make use of the medicines I had 
with me. But the symptoms became worse. I feared 
that I was getting a severe bilious fever, and felt 
myself obliged to make up for my omission. On the 
fourth day I felt so weak that during the afternoon 
I could hardly keep my seat on the horse. So I let 
the whole train pass me, tied my horse and threw 
myself on the ground, indifferent as to what might 
become of me. Complete listlessness possessed me. 
The whole nation of Blackfeet might have swarmed 
around me; I would not have stirred from the spot. 
I soon fell into a feverish sleep. My faithful dog 
(I had a young German hunting dog with me), hav- 
ing missed me in the caravan, had in the meanwhile 
returned to me. When I woke the sun was setting. 
My mule had torn himself loose, and thrown off his 
pack, but was still close by. I felt a little stronger, 
packed up once more and followed the trail of the 
caravan. I had ridden some miles, when one of my 
traveling companions, who in the meanwhile had 
pitched their night camp and then missed me for the 
