I was particularly interested in the question, after witnessing the performances of this San Joaquin band upon the glaciated rocks at the foot of the falls; and as soon as I procured specimens and examined their feet, all the mystery disappeared.

在目睹了这个圣华金乐队在瀑布脚下的冰川岩石上的表演后，我对这个问题特别感兴趣；一旦我获得了标本并检查了他们的脚，所有的谜团就消失了。