16 Crust. 
X. CRUSTACEA. 
181. [Mrazek, Al.] Siisswasser-Copepoden. Ergebnisse der Hamburger 
Magalhaensiscken Sammelreise vi (2), 29 pp., 4 pis. 
Quoted hereafter as Copep. Hamb. Magalh. Sammelreise. Abstract, 
Zool. Jaliresber. 1902, Arthrop. p. 28. 
181a. - . Ueber abnorme Mitosen im Hoden von Astacus . SB. 
Bohmisch. Ges. 1901 (v), 7 pp., 1 pi. 
182. Muller, G. W. Ostracoda, Muschelkrebse; in K. Brandt’s Nordisches 
Plankton vii (in Lief. i). Kiel & Leipzig, 1901, pp. 1-10, figg. 1-19. 
Abstract by F. Zschokke, Zool. Centrlbl. ix, pp. 520 & 521. 
183. Murlin, John Raymond. Absorption and Secretion in the, Digestive 
system of the Land Isopods. P. Ac. Philad. liv, pp. 284-359, pi. xvi 
and 23 figg. in text. 
Nansen, Fridtjof. [See Sars, G. O. (226).] 
184. Neher, E. M. The eye of Palcemonetes antrorum. P. Indiana Ac. 
1901, pp. 96-101, 6 figg. 
Abstracts: Zool. Jahresber. 1902, Arthrop. p. 32; by F. Zschokke, 
Zool. Zentrlbl. x, p. 297. 
185. Nichols, M. Louise. The Spermatogenesis of Oniscus asellus Linn, 
with especial reference to the history of the Chromatin. P. Amer. 
Phil. Soc. xli, pp. 77-112, pis. xi-xviii. 
186. Nobili, Guiseppe. Decapodi e Stomatopodi Eritrei del Museo 
Zoologico dell’ Universita di Napoli. Ann. Mus. Napoli i, No. 3, 
20 pp. (1901). 
187. Nordgaard, O. Oplysninger om seiens vekst og aate. Bergens Mus. 
Aarbog 1901, No. 3, 20 pp. with English summary (1902). 
188. Norman, A. M. Notes on the Natural History of East Finmark 
(continued). Ann. Nat. Hist. (7) x, pp. 472-486. 
189. Ohlin, Axel. Isopoda from Tierra del Fuego and Patagonia, 
i. Valvifera; in Svenska Expeditionen till Magellanslanderna - ii, 
pp. 261-306, pis. xx-xxv (1901). 
190. -. Arctic Crustacea collected during the Swedish Arctic 
Expeditions 1898, 1899 and 1900 under the direction of Professor 
A. G. Nathorst and Mr G. Kolthoff. ii. Decapoda , Schizopoda. Bill. 
Svenska Ak. xxvii (4) No. viii, 92 pp., 3 pis. (1901). 
191. Ortmann, A. E. The Geographical Distribution of Freshwater 
Decapods and its Bearing upon Ancient Geography. P. Amer. Phil. 
Soc. xli, pp. 267-400, 8 figg. 
Abstract, Zool. Jahresber. 1902, Arthrop. p. 33. 
191a. Ostroumov, A. A. O znachenil osmoticheskagho darleniya v‘ pro- 
tzessye v‘ ilupleniya nauplius’ ov iz Ikr ‘i artemii. [On the influence 
of osmotic pressure in the hatching of the nauplius from the egg of 
Artemia ]. Protok. Kazan. Univ. 1901-1902, No. 198, 11 pp. German 
resume 2 pp. 
192. Packard, A. S. A new fossil crab from the miocene greensand bed 
of Gay Head, Martha’s Vineyard, with remarks on the phylogenv of 
the genus Cancer. P. Amer. Ac. xxxvi (1900) pp. 3-9, pis. i & ii. 
Abstract by A. Tornquist, Zool. Centrlbl. ix, p. 629. 
193. Parker, Geo. H. [On the marine Copepod Labidocera.] Science, 
n. s. xv, p. 471. 
Preliminary abstract of (194). 
