On EUROPEAN SPIDERS. 225 
und Apteren der Vorwelt ), which, after the death of the authors, was 
published by A. MENGE, and provided by him with many important addi- 
tions and corrections. The number of Spider-species found in Amber appears, 
according to Kocn’s and MENGE'S works, to amount to about 130; of these 
nearly 100 are fully described and figured, for the most part in Koch and 
BERENDTS above-named work, two others in a lately published paper of 
MENGE ?. Of several of the remaining species MENGE has, partly in Koch 
and BERENDTS work, partly in a separate memoir *), given more or less 
detailed descriptive notices. As we are now about to give a short account 
of the extinct genera made known by KocH and MENGE in the above-men- 
tioned works, it will probably be best, in consequence of their somewhat 
considerable number, to treat each family separately, in the order in which 
they have been classed in the foregoing pages. It should however be re- 
marked that the characteristies of many of these genera are by the said 
authors only touched upon in a few words and cursorily, so that it is not 
always possible to form a sure judgment of their systematie position. 
a. Epeiroide. To this family we refer the following genera: 
Grea N.*) = Gea (KocH et BER) 1854. — The fossil species, 
which KocH and MENGE reckon to Gea, differ from Epeira by having the 
anterior central eyes much larger than the posterior, and sitting close to- 
gether on small protuberances (vid. KocH and BERENDT, p. 22—24; MENGE, 
Lebenszeichen, p. 6). This is however by no means the case in the now 
existing, East Indian species of Gea, G. spinipes C. Kocu; for in that spe- 
cies the posterior central eyes, which are placed uncommonly far backward, 
are larger than the anterior, according to Kocx himself’). The exstinet 
spiders in question cannot therefore be affiliated to Gea C. KocH 1843, 
but form an independent genus, for which we propose the name Grea, 
with G. epeiroidea (K. et D.) as the type. 
Antopia MENGE 1854 *) This genus is distinguished by its coni- 
cally prominent head; the central eyes form a trapezoid, and are larger 
1) Also with the title: BERENDT, G. C., Die im Bernstein befindlichen Organischen 
Reste der Vorwelt, Bd I, Abtheil. II. Berlin 1854. — In Bd I, Abth.I of this work 
(Berlin 1845) there is a list of the spiders described by C. Kocx in Bd I, Abtheil. II. 
2) Ueber einen Scorpion und zwei Spinnen im Bernstein (Schriften der Natur- 
forschenden Gesellschaft in Danzig, Bd II, Hft 2, 1869). 
3) Lebenszeichen vorweltlicher, im Bernstein eingeschlossener Thiere. Danzig [1856]. 
4) Toaiac, ai, mythol. name (yeaia, old woman). 
5) Die Arachn., X, p. 101, Tab. CCCLII, fig. 823. (1843). 
6) dvzwreeos, looking straight forward. 
Nova Acta Reg. Soc. Sc. Ups. Ser. III. 29 
