Björn Bergenholtz
(former alias "Calalp")
Ok … let´s have quick a look at those ones. I started a separate thread, not to interrupt Mr. Jobling's search for his last missing OD's.P. S. Apart from that there are still a lot of mystery persons e.g. wollweberi, alexandri, riefferi we know nothing or nearly nothing about.
Now, let's see if we together can add something, whatever small or large, on those obscure Eponyms, first: Mr. Wollweber
Today explained in the HBW Alive Key as follow:
Richmond Cards, here and here, as in:wollweberi
Wollweber (fl. 1850) German traveller, collector in Mexico for the Darmstadt Mus. (see Mearns & Mearns 1992) (Aphelocoma, Baeolophus).
● Mexican Jay Aphelocoma wollweberi KAUP 1855 (1854?, here, only in the foot-note) as "Aphelocoma Wollweberi"
● Bridled Titmouse Baeolophus wollweberi BONAPARTE 1850 (here) as "Lophophanes wollweberi"
In either case no dedication nor explanation (from what I can tell), and the Bird Collection of the Darmstadt Museum (where both those types was held) was destroyed during WW2 … however also see this link (here), a text by A. J. van Rossem 1947. Apparently, according to the original specimen label, it does look like the type of the Titmouse was collected by and in "Westerm[ann] Mexico" (not by Wollweber), but "Geschenk des Herrn Wollweber" (Gift of Mr. Wollweber) to the Darmstadt Museum… !?
Maybe of some help?
Is there possibly a local bird collector in Darmstadt by the name Wollweber?
Also consider Hellmayr's Birds of the Americas 1934 (page 84, here, have patience it´s a large pdf-file), with a reference to an article by "Westermann" (most likely the same guy? Or not?) in Bijdragen tot de Dierkunde 1851 (attached, but written by "G. F. Westerman"*). If it adds anything? You need to know Dutch to find out!
On top of that see the following links; here, here, [URL="https://books.google.se/books?id=IJYVAAAAYAAJ&pg=PA112&dq=Friedrich+Wollweber+Darmstadt&hl=sv&sa=X&ved=0ahUKEwiL8KOu1sDLAhUqMZoKHWGCC9AQ6AEIQzAF#v=onepage&q=Wollweber%20&f=false"]here[/URL] and here (If the latter two are relevant I do not know? A Mr. "Wollweber, Mitprediger in Butzbach", "Willhelm Wollweber … " whatvever that means? Is Wollweber a common name?
I guess you need to know German, or Dutch, to search any further …
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*most likely the Dutch zoologist Gerardus Frederik Westerman (1807–1890) … but did he travel?
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