16 Crust. 
X. CRUSTACEA. 
Nervous System. 
Nerve-cells and their branches in the thoracic and abdominal ganglia 
of the central nervous system, and branches of cells outside the central 
nervous system entering it, in embryonic lobster ; Allen (1). 
Peripheral ganglionic strands in certain Isopods ; Nemec (3). 
Visceral nervous system (anterior and posterior) in certain Isopods ; 
Nemec (2). 
Embryonic nervous system in JVawpZiws-larvae (of Copepods) ; Zograf: 
of Cirripedes ; Chun (3, iii). 
Separation of inhibitory and accelerator nerves to crab’s heart - T 
Conant & Clarke. 
Sense Organs. 
Antennal sense organs of Crangonyx ; Vejdowsky. 
Processes of nerve cells in some of the sense hairs of appendages of 
Astacus, although not in others ; structure of the two kinds of hairs and 
their respective distribution ; Bethe (2). — Nerves to sense hairs of ap- 
pendages of Palcemon and to those of telson of Mysis ; Holmgren. — 
Sensory nerves and their terminations in Astacus, Niphargus, and in 
Palcemon and other marine Decapods ; Rath. 
Facet eyes and phosphorescent organs in deep-sea Schizopods and 
Sergestidcv , their structure and morphology ; Chun (3, vi) and (2). — The 
source of light in the phosphorescent organs ; Giesbreciit (2). 
Structure of compound eyes of Decapods ; Rosenstadt (1). — Move- 
ment of pigment in eyes of Palcemonetes ; Parker : in other Decapods ; 
Rosenstadt (1). — Embryonic development of compound eyes of Arthro- 
pods ; Roule (2). — Atrophy of eyes, or their replacements by antennae,, 
in cave-dwelling Amphipods and Isopods ; ViRE (4). — Notes on eye of 
Cyclops, or rather the cluster of ocelli representing it; lot. J. Micr. vi,, 
pp. 304-30G. 
Chemical sense and its organs in Decapods, land and freshwater Isopods 
and Amphipods ; Nagel. — Strong sense of smell in cave-dwelling Amplii- 
pods and Isopods ; Vir6 (4). 
Genital System. 
Genital organs of Oniscidce ; NiImec (4). — Spermatozoa of Telphusa ; 
Mari. 
Male genital organs of Cyclops and other Copepods; Steuer. — Second- 
ary sexual characters of male of Phrouima ; Chun (3, iv). 
Description of a male of Apas cancriformis no smaller than an average 
female ; Benham. 
Hermaphroditism in Crustacea , with special reference to its occurrence 
in the Apodidce ; Bernard. — Failure to find traces of it in Australian 
Apodidce ; Spencer & Hall (2). — External signs of hermaphroditism in 
Cladocera ; Grochowsiciego. — A specimen of Leucifer reynaudi, f 011 
the one side, on the other; Rosenstadt (2). — Signs of hermaphroditism 
being a primitive condition in Isopods ; Nemec (1). 
Development. 
Of Palcemon serratus ; Roule (1, ii) : of Leucifer reynaudi ; Rosen- 
stadt (2): of Gebia littoralis ; Boutschinsky (24, p. 113) : of Sergestes 
Hansen: of the Cumacea ; Boutschinsky (24, pp. 1—112) : of Asellus 
aqiiaticus ; Roule (1, i) : of Gammarus pulex , and comparison with that 
