By the fierce flash in the eyes, the rising arch of the back, the baring of teeth and terse hissing fricatives starting to be periodically emitted from between the rounded enamels. Their tailbone stump is all but thumping to thrash as she shifts restlessly gesticulating increasing agitation at the one-eyed blue screen. I found this of use
http://www.primat.se/primat/apelogic.asp
but how to get it to her?