cf. vs. aff.

[Piabinha@aol.com]

In a message dated 99-11-20 09:47:48 EST, you write:

<< "cf." is Latin for "confer", meaning "compares with". For example, A. cf.
 agassizii [Madeira] is a species from around Porto Vehlo, Brazil. In most
 respects it "compares with" the holotype quite well. There are certain 
features,
 however, that indicate that it might only be a sibling species closely 
related to
 A. agassizii. A half century ago, this form might have been considered a
 subspecies of A. agassizii, but modern taxonomy doesn't like the "subspecies"
 idea anymore. Since we don't know at this time if this is a separate species 
or
 just a slightly abberent population of A. agassizii, we list it as A. cf.
 agassizii.  >>

how exactly cf. differs from affinis?  and what are they suggesting we use 
instead of subspecies?

tsuh yang chen, nyc, USA


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