TITLES. 
Crust. 19 
252. ZoGRAF, NicoLAUS VON. Das iinpaare Auge, die Frontalorgane unci 
das Nackenorgan einiger Branchiopoden. 4to, Berlin, 1904, 44 pp., 
3 pis. & 3 text-figg. 
Abstract by F. Zschokke, Zool. Zentrlbl. xi, pp. 729-734. 
253. Zykoff, W. Ueber das Plankton des Fliisses Seim. Zool. Anz. 
xxvii, pp. 214 & 215. 
254. . Das Plankton des Seliger Sees. T. c. pp. 388-394. 
255. . Bemerkung liber Laophonte mohammed Rich. Op. cit, xxviii, 
pp. 246-249. 
Abstract by F. Zschokke, Zool. Zentrlbl. xii, pp. 82 & 83. 
256. . Zur Crustaceenfauna der Insel Kolgujev. T. c. pp. 337-345, 
2 figg. 
Abstract by F. Zschokke, Zool. Zentrlbl. xii, p. 83. 
II. SUBJECT-INDEX. 
1. Morphology. 
Morphology of Crustacea ; Lankester (111) : oi Malacostraca; Calm an 
(32): of Isopoda; Richardson (173): of Phyllocarida; Thiele (219): 
of Branchiura\ Thiele (218): of freshwater Ostracoda; Jensen (92): 
of Cirripedia; Gruvel (71). 
External and internal anatomy of Neplirops ; Meek (129) : of Stomatopod 
larvae; Jurich(97): oiGammarus\ Cussans (50) : oi Saycia {Cladocera) \ 
Sars (182): of Argidus; Wilson (238): of Cirripedia; Gruvel (72, 
74 & 75): of Poecilasma {Cirripedia)-, Hoffendahl (86): of Alcippe 
{Cirripedia) ; Genthe (65). 
Segmentation of body in Decapoda^ Eicphausiacea and Anaspides\ 
Calman (32). 
Structure of copulatory appendages of Cancer pagurus; Williamson 
(237). 
Rudimentary gill in Astacus Jluviatilis ; Moseley (138), Lankester (112). 
Structure of digestive apparatus in Astacus; Jordan (95). 
Morphology of excretory organs in Becapoda, Cu7nacea, Isopoda, 
Amphipoda^ Cladocera; LosKO (118): Maxillary- ("shell-") gland of 
Stomatopoda; Calman (32). 
Structure of eyes and other sense-organs in deep-sea Bracliyura\ 
DoFLEiN (53) : Unpaired eye, frontal organs and " Nackenorgan " in 
Branchiopoda ; Zograf (252) : Supposed statocysts in Terrestrial Isopoda ; 
Wenig (233). 
Structure and arrangement of chromatophores in Decapoda and Schizo- 
poda; Keeble & Gamble (101). 
Attachment of muscles to exoskeleton in Crustacea ; Stamm (204). 
Histology of alimentary system in Palinuriis ; Guieysse (77) : of 
digestive glands of Cymothoa {Isopoda); Maziarski (128). 
Histology of heart in Leptostraca, Isopoda, Amphipoda, Cumacea, 
Schizopoda, Stomatopoda ; Gadzikiewicz (61) : in Decapoda ; Gadzikiewicz 
(62). 
2. Physiology. 
Physiology of Crayfish ; Latter (113). 
Physiology of digestion in Astacus ; Jordan (94 & 95). 
Presence of "thalassine" (a toxic substance) in shrimps {Crangon); 
RiCHET (176): Haemocyanin in blood of Decapoda; Robert (\04) : 
Amylolytic ferment in blood of Crustacea; Sellier (193 & 194), 
