18 Crust. 
CRUSTACEA. 
known to science ; and one necessitates the formation of a new genus. 
Regards the Oumacea as an isolated branch, the ancestor of which may 
have combined some characters of the Phyllocarida and Trilobita. 
185. . Australian Cladocera raised from Dried Mud. Forh. Selsk. 
Chr. 1885, 46 pp., 8 pis. [Mentioned in Zool.Rec. xxii, but not then 
seen by Recorder.] 
Author finds “ winter eggs ” formed to resist the long dry season ; 
and hatched from mud of Gracemere Lagoon, N. Queensland, 5 new spp., 
bearing a very strong resemblance to European N. forms. 
186. •. Norske Nordhavs-Expedition, xv. Crustacea , pt. ii, 93 pp., 
1 map. 
Author gives a list of all the species taken by the expedition, with their 
stations. Of the total number of 337 species, of which 64 are new, by far 
the greater number are of Arctic origin. 
187. Schmidt, O. Sur quelques nouveaux Trilobites. Bull. Petersb. 
pp. 501-512, 1 pi. 
Description of n. spp. from Eastern Siberia. 
188. Schneider, R. Unterirdische Gammarus von Clausthal. SB. Ak. 
Berlin, 1885, p. 1087 ; also Abh. z. Programm k. Roal-Gymnasiums 
Berlin, Ostern ; abstr. in J. R. Micr. Soc. (2) vi, p. 243. 
Gammarus in mines exhibits an intermediate condition between its 
representatives in caves and the ordinary forms. The Clausthal speci- 
mens absolutely pale, and show commencing degradation of eyes ; the 
first antennae slightly lengthened. 
189. Scott, T. A Curious Dwelling for a Hermit Crab. P. N. H. Soc. 
Glasg. (n.s.) i, p. 146. 
Pagurus thomsoni living in a sponge which had overgrown the Turritella 
in which he had originally lived. 
190. °Senoner, A. Krabben ( Dromia ) und Schwamme. Zool. Gart. 
xxvii, p. 92. 
191. Seguenza, G. II Quaternario di Rizzolo. Nat. Sicil. iv, pp. 33. 55, 
116, 157, 204, 214, 250, & 295. 
Account of the Ostracoda. The n. spp. only are chronicled in the 
Systematic part. . 
192. . II Quaternario di Rizzolo (continued). Op. cit. v, pp. 22, 31, 
123, 149, 166, 186, & 238. 
193. . Gli Ostracodi del Porto di Messina. Op. cit. iv, pp. 44, 76, 
& 110 . 
Only the n. spp. are recorded in the Systematic part, infra. 
194. . Gli Ostracodi del Porto di Messina (continued). Op. cit. v, 
p 57. 
195. Sharman, G. New Species, Olenus nuneatonensis and Obolella 
granulata from the Lower Silurian of Nuneaton. Geol. Mag. (3) iii, 
p. 565, 
