84 Crust. 
CRUSTACEA. 
R. Kossmann defends himself against objections made by Della Valle ; 
Zool. Anz. iv. pp. 544- 548. 
Cyclopid^. 
Cyclops quadricornis (Mil.), shower of it ; F. E. L. Beal, Am. Nat. xv. 
p. 736. 
Harpacticid^. 
Siymatidium, g. n. Near Longipedia ; both pairs of maxillipeds with- 
out warts or prehensile appendages ; inner branch of the first pair of feet 
2-jointed. S. difficile^ sp. n., Giesbrecht, Zool. Anz. iv. p. 255, Kiel. 
Ectinosoma gothiceps, sp. n., id. ibid., Kiel. 
Tachidius littoralis, sp. n., Poppe, Abh. Ver. Brem. vii. pp. 149-152, 
pi. vi., shore of Northern Germany. 
Tachidius discipes^ new name for brevicornis (Lillj., nec 0. Fr. Miill.) ; 
Giesbrecht, 1. c. p. 255. 
Tachidius fonticola^ sp. n., Chambers, J. Cincinn. Soc. iv. p. 47, with pi., 
in salt-water. Big Bone Springs, N. America. 
Dactylopus dcbilis, sp. n., Giesbrecht, 1. c. p. 256, Kiel. 
Harpacticus brevicornis (O. Fr. Miill., Cyclops) =■ chelifer (Lilljeb., nec 
0. Fr. Miill.) ; id. 1. c. p. 255. 
Calanid^. 
Diaptomus sanguineus, variations ; C. F. Gissler, Am. Nat. xv. pp, 736 
& 737. 
Diaptomus F hentuchyensis, sp. n.. Chambers. J. Cincinn. Soc. iv. p. 48, 
with pi., Kentucky. 
Celochilus. Development observed, the eggs are laid in the water 
before the Nauplius-stage ; Grobben, Arb. z. Inst. Wien, iii. pp. 243-282, 
4 pis. (see supra, p. 7). 
Calanus (Leach), originally probably = Cetochilus (Roussel de Vau- 
zeme) ; Claus, Arb. z. Inst. Wien, iii. pt. 3, p. 11. 
Eucalanus, g. n,, for Calanus mastigophorus (Claus) ; id. 1. c. pp. 13 & 
14, pi. ii. figs. 10-16, Mediterranean. 
Paracalanus (Boeck) limited to Calanus parvus and pygmceus (Claus) ; 
id. 1. c. pp. 12, 14 & 15, pi. iii. figs. 1-10, Seas of Northern Europe and 
Adriatic. 
Clausia (Boeck, 1864) = Pseudocalanus (Boeck, 1872), distinct by the 
want of the fifth pair of feet in the female. C. elongata (Boeck), seas of 
Northern Europe ; id. 1. c. pp. 16 & 17, pi. iii. figs. 11-15. 
Lucullus, g. n. Near Euchcda (Phil.) ; antennae of the male 19-jointed ; 
manducatory plate of the mandible rudimentary, and outer lobe of the 
maxilla wanting in the male. L. acuspes, sp. n., Giesbrecht, Zool. Anz. iv. 
p. 258, Kiel. 
Dias bifilosus, sp. n., discaudatus, sp. n., and longiremis (Lilljeb.) ; id. 
1. c. p. 257, Kiel. 
Temora (Baird). Male and female very different. Male : abdomen 
