OSTRACODA. 
Orust, 52 
and costellata, Kerguelen Island, 20-50 fath., cribrosa, South-eastern 
Pacific, 160 fath., clavata, Falkland Islands, 6 fath., mucronata and clausi^ 
Simon’s Bay, S. Africa, 15-20 fath., and cryptifera, Bass’s Strait, 38-40 
fath., spp. nn., Brady, 1. c. pp. 131-135, pi. xxxii. & pi. xxix. fig. 7. 
Cytheropteron scaphoides^ angustatum^ assimile^ and fenestratum, Ker- 
guelen Island, 20-120 fath., wellingtoniense, New Zealand, abyssorum, 
42° S. lat., 134° E. long.,' 2600 fath., patagoniense, Patagonia, 160 fath., 
and mucronalatum, Atlantic and Pacific, 1375-2050 fath., spp. nn., Brady, 
1. c. pp. 136-140, pis. xxxiii. & xxxiv. 
Bythocythere arenacea, velifera, Torres Straits, 155 fath., pumilioy 
Kerguelen Island, 20-50 fath., and ? exigua, Straits of Magellan, 55 
fath., spp. nn., Brady, 1. c. pp. 142-144, pi. xxxiii. & pi. vi. fig. 7. 
Pseudocythere fuegiensis, sp. n., id. 1. c. p. 145, pi. i. fig. 7, 52° S. lat., 
73° W. long., 245 fath. 
Cytherideis larvata^ sp. n., id. 1. c. p. 146, pi. vi. fig. 5, pi. xxxv. fig. 6, 
Heard Island, Kerguelen, 75 fath. 
Xiphichilus complanatus, sp. n., Kerguelen Island, 120 fath., and 
? arcuatus, 19° S. lat., 178° E. long., 610 fath., sp. n., id. 1. c. p. 148, 
pi. xxxv. figs. 4 & 2. 
Elpidium, g. n. ; shell more broad than high, ventral side flat, with a 
median longitudinal furrow, like a coffee-bean, somewhat like the Silurian 
Elpe (Barrande). E. bromeliaram, sp. n., about 1^ millim.,very common 
between the leaves of Bromelia, at Itajahy, Southern Brazil. F. Muller, 
Kosmos, vi. pp. 386 & 387, with a woodcut, representing the antennae, 
mandible, maxilla, and feet in enlarged size. 
CYPRIDINIDiE. 
List of all known species, by Brady, Zoology of H.M.S. ‘ Challenger,’ 
i. pt. 3, pp. 152-154. 
Cypridina gracilis^ 37° N. lat., 25° W. long., 1000 fath., and dancdy 
Kerguelen, 120 fath., spp. nn., id. 1. c. pp. 156 & 157, pi. xxxvii. figs. 1-11, 
pi. xxxvi. fig. 2. 
Crossophorus, g. n. Near Bradycinetus (Sars). Shell firm, calcareous ; 
secondary branch of the posterior antennae powerfully clawed ; mandi- 
bular foot armed at the apex of the basal joint with a bifurcated hairy 
process ; first pair of maxillae consisting of one principal bi- articulate 
branch and several smaller segments, all abundantly setiferous ; third 
maxilla composed of 3-4 digitiform segments, densely clothed with short 
stout setae and a large subtriangular lamina, which bears along its outer 
margin several rows of plumose setae. C. imperator, sp. n., 40° S. lat., 
177° E. long., 1100 fath., 8.4 millim., the largest of the known Cypri- 
dinidce. Brady, 1. c. p. 158, pi. xxxviii. figs. 1-11. 
Philomedes wyvillethomBoniy sp. n., id. 1. c. p, 160, pi. xxxvi. fig. 1, Port 
Phillip, South Australia, 38 fath. 
IIalocypridab. 
Halocypris imbricata, sp. n., 35° N. lat., 137-167° E. long., & 36° S. 
lat. 46° W. long. ; H. atlantica (Lubbock) and brevirostris (Dana) widely 
