Thanks to alga, I read "The Night Chough."
The Scylla element there is indisputable, but it hasn't convinced me that the other suggested places in LONG/SHORT sun are instances of Scylla possessing Oreb. It seems to me that if those are meant to be clues to that, then they are SO subtle that it's underhanded even for Wolfe--it would almost require that you read this fairly obscure story to get what would then, Robert seems to be suggesting, be a major plot point of the series.
"And ye shall know the truth, and the truth shall make you free." John 8:32
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Alex David Groce (agroce+ at cs.cmu.edu)
Ph.D. Student, Carnegie Mellon University - Computer Science Department 8112 Wean Hall (412)-268-3066 http://www.cs.cmu.edu/~agroce
*This is WHORL, for discussion of Gene Wolfe's Book of the Long Sun.