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Dear Sir,
As per your letter last, I thank you for your ane compliments. Yet my eptness is useless in the task you have sent. Alas, though I chalantly try to answer your query and discern what a silhou is, I am as yet dumbfounded. I have info regarding a possibly related animal, however.

The following item is, of course, the famous creature of the silhouette family that is pandemically spreading over the globe right now, facebookus shadowus:


Facts so far: This chameleon-like creature is able to look like everyone and no one. It has an incredible rate of growth (increasing by 5 million per week; 150-million silhouettes worldwide), and each spawn—er, offspring seems to be unique from all others. It is masculine, feminine and Alfalfian. Since the sex of silhouettes is undetermined, we must be careful in assuming that of silhous until we observe one in the wild or capture one.

I have recently infiltrated the facebookus shadowus community and will begin studying behaviors, traits, customs, etc. more closely. As always, I'll send more info as it becomes available.