Garrick Mallery,
Sign Language Among North American Indians Compared With That Among Other Peoples And Deaf-Mutes
“ The secretary, not being told what to write about, without surprise, but somewhat amused, raises his left hand with the ends of the thumb and finger joined, the other fingers naturally open, a common sign for inquiry. "What shall the letter be about?" The wife, not being ready of speech, to rid herself of the embarrassment, resorts to the mimic art, and, without opening her mouth, tells with simple gestures all that is in her mind. Bringing her right hand to her heart, with a corresponding glance of the eyes she shows that the theme is to be love. ”
