CL VDOCERA — COPEPODA. 
Crust. 31 
stance, by night near the surface, at day in deep water ; A. Weis- 
manu, Thierleben das Bodensecs, pp. 12-14, pi. i. fig. 1. Female figured 
by Claus, I, c. pi. i. fig. 1, pi. ii. fig. 6. 
JSvadne icrgcstina^ sp. n., Claus, 1. c. p. 140, pi. v. fig. 15 female, fig. 16 
male, Trieste. E. spinifera^ id. 1. c. pi. vi. fig. 21. 
Podon intermedins (Lillj.), female ; id. 1. c. p. 138, pi. xxiii. fig. 23, 
Trieste. 
Leptodora hyalina (Lillj.), in Lake Constance, near the surface, with 
notice of its habits ; Weismann, pp. 16-17, pi. i. fig. 4. 
OSTRAOODA. 
A. Gerstacker gives an analytical table of the 26 known genera, 
arranging them in six families, CyprididiKy Cytheridce^ Halocypridcc^ Cy- 
p>ridinidoi^ Pohjcopidce, and Cytherellidm, and adds general remarks on 
their biology, geographical and palasontological distribution ; Klass. u. 
Ordn. d. Thierreichs, Arthropoden, pt. 22, pp. 1025-1028, 1037, 1053, 
1063, 1070-1079. 
COPEPODA. 
BRANClilURA. 
Argulid^. 
Analytical table of the 5 known genera and list of the known species 
of Argulus, 15, and Gyropeltis^ 4, with indication of the fishes on which 
they live, by A. Gerstacker, 1. c. pp. 1034 & 1058. 
NAT ANTI A. 
Embryological observations on Cyclops^ Diaptomus^ Temora^ and Can- 
ilwcamptus, by Hoek [antea^ p. 7]. 
W. SciiMANKEWiTSCii has published, 1875 (in Russian), some very 
important observations on several Copepods living in fresh and salt water, 
and their degeneration by being bred in more concentrated salt water 
{anted, p. 6]. The new species will be mentioned below. 
CYCLOPIDyE. 
Cyclops odessanits, sp. n., and critical notes concerning C. hrevicornis 
and hrevicaiidatus (Claus) ; Schmankewitsch, in the publications of the 
New Russian Society of Naturalists, hi. 2, 1875, pp. 32-36, 74-77. C. 
hrevicaudatus (Claus) : its degenerate saltwater form ; id. Z. wiss. Zool. 
xxix. p. 439. 
Cyclops leeuwenhceld, sp. n.; Hoek, Tijdschr. Ned. Dicrk. Ver. iii. [1876], 
Holland. 
Heterocope rohusta (Sars), Lake Constance; Weismann, Thierleben des 
Bodensees, p. 14, pi. i. fig. 3. 
1877. [voL. XIV.] B 17 
