28 Crust . 
CRUSTACEA. 
CYCLOPIDiE. 
Cyclops thomasi and insectus , spp. nn., Forbes, Am. Nat. xvi. [1882] 
p. 649, pi. ix. figs. 6, 10, 11, & 16, Lake Michigan. 
Cyclops pectinatus, locality not given, modeatus , Kentucky, and tenuissi- 
mus , Alabama, spp. nn., Herrick, Am. Nat. xvii. pp. 499 & 500, pis. v. 
figs. 21-25, vi. figs. 20 & 21, & vii. figs. 25-28. 
Cyclops gigcis (Claus), pi. ix. figs. 8-10, C. serrulatus (Fisch.), pi. xi. 
figs. 19-22, and ccquoreus (Fisch.), pi. xi. figs. 16-18, all from Dunedin, 
and C. chiltoni , sp. n., p. 97, pi. ix. figs. 11-19, Eyreton, N. Canterbury ; 
G-. M. Thomson, Tr. N. Z. Inst. xv. pp. 96-98. 
Oithona challengeri, sp. n., Pacific and Atlantic, Brady, Copep. ‘ Chal- 
lenger,’ p. 97, pi. xl. figs. 1-10. 
Thorellia brunnea (Boeck) var. n. antarctica ; Thomson, l. c. p. 95, pi. v. 
figs. 15-19, Otago Harbour, 7 fath. 
Harpacticidj:. 
Pseudothalestris } g. n. Like Tlialestris, except the first pair of feet 
having its outer branch very short and only two-jointed, the inner branch 
long, three-jointed, the first joint very long. P. imbricata , sp. n., Betsy 
Cove, Kerguelen Island. Brady, Copep. ‘ Challenger,’ p. 101, pi. xlii. 
figs. 1-8. 
Machairopus, g. n. Intermediate between Idya and Scutellidium } the 
antennae, foot-jaws, and mandibles agreeing with the former, while the 
feet are like those of the latter. M. idyoides, sp. n., Betsy Cove, Kergue- 
len ; id. 1. c. p. 104, pi. xli. figs. 1-12. 
- Pontostratiotes , g. n. Carapace armed with several excessively long and 
strongly-toothed spines, which are directed backward ; anterior antenna) 
likewise provided with numerous various-shaped spine-like processes. 
P. abyssicola , sp. n., South Atlantic, 2000 fatli., only one specimen. Id. 
1. c. p. 106, pi. xliv. 
Goniopsyllus , g. n. Maxillae and foot-jaws extremely small, mandibles 
wanting ? ; posterior antennae without secondary branch ; joints of the 
cephalothorax dilated behind, so as to form prominent lateral triangular 
processes. G. rostratus, sp. n., South Atlantic. Id. 1. c. p. 107, pi. xlii. 
figs. 9-16. 
Bradya limicola, sp. n., without pigmented eyes, in a slightly salino 
marsh at the shore of the Gulf of Mexico j Herrick, Am. Nat. xvii. 
p. 205 ; abstract in J. R. Micr. Soc. (2) iii. p. 211. 
Tachidius ? fonticola ) sp. n., Chambers, J. Cincinn. Soc. iv. p. 47. 
Amymome clausi , sp. n., Thomson, Tr. N. Z. Inst. xv. p. 98, pi. v. 
figs. 1-8, Otago Harbour. 
Diarthrodes , g. n., id. 1. c. p. 99. Canthocamptinecc : for D. novce- 
zealandice , sp. n., ibid. pi. viii. figs. 15-22, Otago Harbour. 
Merope ||, g. n., id. 1. c. p. 100 (and N. Z. J. Sci. i. p. 341). Same sub- 
family, very near Cletodes (Brady), but all the swimming legs different. 
M. hamata , sp. n., ibid. pi. x. figs. 22-27, Dunedin. 
