210 
ARACHNIDA. 
Koch, Ludwig. Die europaischen Arten der Araclmiden- 
gattung Cheiracanthium. Abh. Ges. Niirnb. 1864, pp. 
137-162. 
. Die Arachnidengattungen Amaurohius, Codotes und 
Cybceus. Abh. Ges. Niirnb. 1868, pp. 1-52, 2 Taf. 
These papers were noticed in the Eeview of Publications/’ Zool. Kec. 
vi. p. 142, but not in the “ Special Part.” Containing full descriptions of 
the species (including some new to science), together with the characters 
of the genera, it is thought proper to notice them again now. 
. Beitrage zur Kenntniss der Arachidenfauna Tyrols. 
Z. Ferd. 1869, pp. 149-206. 
Contains characters of a new genus, Hoplites, fam. Opilionules, with 17 
new species of Phalanyulcaf and 10 of Arancidea. 
. Beitrage zur Kenntniss der Arachnidenfauna Galiziens. 
JB. Ges. Krakau, xli. 1870, pp. 
Gives a catalogue of the Arachnida of Galicia captured by Prof. Nowicki, 
chiefly at Bukowina and the Tatragebirge. Comprises 169 species of 
Araneidea (of which 18 are described as new), 10 species of Phalanyidea 
(1 being described as new), and 4 species of Acaridea, 
MGntyre, L. J. Cheyleti. Sc. Goss. No. 109, p. 5. 
Describes with great force and vividness the carnivorous habits of Chey-^ 
letus, a genus of Acarids. Two species are described, but neither is named 
or specifically determined. 
. Pseudo-scorpions. Sc. Goss. No. 59, pp. 243-247. 
Details at length some interesting facts relative to the economy and struc- 
ture of OlHsium and Chelifer. 
Metschnikopf, Elias. Embryologie des Scorpions. Z. wiss. 
Zool. Bd. xxi. pp. 204^232, Taf. xiv.-xvii. ; also separate, 
pp. 1-29, and 4 plates. Leipzig; 1870. 
Reviews shortly the works on this subject of John Muller, Rathke, 
Duvernoy, L. Dufour, and Ganin, and traces the embryo of Scorpio iUdiciis 
from the earliest period of its development. 
Nowicki, M. Besclireibung neuer Arthropoden. JB. Ges. 
Krakau, 1870, p. 
Describes a new species of Phalanyidea. 
Packard, A. S., Junr. A eliapter on Mites. Am. Nat. iii. 
pp. 364-473, pi. 6. 
A general paper on the structure, habits, and economy of some of the 
Acarids. The author, p. 365, states his object to be to indicate a few of 
the typical forms of mites, and sketch, with too slight a knowledge to speak 
with much authority, an imperfect picture of their appearance and mode of 
