24 Grust. 
CRUSTACEA. 
branchiae. A. antennatus (Risso) = edwardsianus (Johnson), Mediterra- 
nean at a great depth. A. armatus, Australasian Archipelago, North 
Pacific and South Atlantic, 1900-2050 fath., semidentatus and tomentoms^ 
South of the Philippine Islands, and rostridentatus, Fiji Islands, 300 fath., 
spp. nn. 0. Spence Bate, 7. c. pp. 171 & 187-189. 
IlepomaduSf g. n. Four podobranchioe. B. glacialis^ South Atlantic, 
1875 fath., and inermis^ South Pacific, 2550 fath., spp. nn. Id. 1. c. 
pp. 171, 189 & 190. 
Benthesicymus^ g. n. Rostrum short and crest-like ; five podobranchia3. 
B. crenatus, mid-Pacific, 2600 fath., altus, between Australia and Japan, 
350-1400 fath., hrasiliensis, off Brazi', 1100-2440 fath., and iridescens, 
South Atlantic, 1900 fath., spp. nn. Id. 1. c. pp. 171, 190 & 191. 
Gemiadas, g. n. Like Benthesicymus^ with less arborescent branchiae. 
G. parvus, sp. n., off Japan, 2425 fath. Near the fossil Penceus (Kolya) 
speciosus (Salter). Id. 1. c. p. 171, 191 & 192. 
Euphema sp. from the Atlantic, probably the young state of some 
Penaeid; id. 1. c. p. 192. 
Acanthephyra, g. n. Near Pewcews, rostrum long as' in Iloplophorus, 
abdominal keel prolonged into a spine ; feet of the first and second pair 
didactyle. A. armata, debilis, and ensis, spp. nn., West Indies, 422, 500 
& 237 fath. A. Milne-Edwards, Ann. Sci. Nat. (6) xi. art. 4, pp. 12-14. 
SERQESTJDAi:. 
Sergestes kroeyeri, off Kermadec Island, 500 fath., prehensilis and 
japonicus, off Japan, 500 & 350 fath., diapontius, Atlantic, on the surface, 
spp. nn., C. S. Bate, Ann. N. H. (6) viii. pp. 193 & 194. 
Petalidium, g. n. Near Sergestes ; four branchial plumes only, and 
four single foliaceous branchial plates. P. foliaceum, sp. n.. South Indian 
Ocean, 2100 fath. Id. 1. c. pp. 172, 194 & 195. 
SOHIZOPODA. 
Mysis denticulata (Thomson), female described by Thomson, Tr. N. 
Z. Inst. xiii. p. 205, pi. vii. fig. 1, Dunedin Harbour, New Zealand. M. 
meinertshageni, sp. u., Kirk, tom. cit. p. 237, with woodcut. New Zealand. 
Boreomysis nohilis and scyphops, spp. nn., G. 0. Sars, Arch. Math. 
Naturvid. 1881, pp. 428 & 429, Arctic Sea, 459 & 1110 fath. 
Pseudomysis, g. n. Eyes rudimentary ; telson very short, subquad- 
rangular, broadly notched behind ; in other respects like Mysideis. 
P. ahyssi, sp. n., id. 1. c. p. 431, Arctic Sea, 1110 fath. 
Nebalia longicornis (Thomson), Thomson, 1. c. p. 221, pi. viii. fig. 10, 
New Zealand. 
STOMATOPODA. 
Lysiosquilla armata, sp. n., S. I. Smith, P. U. S. Nat. Mus. iii. p. 446, 
New England, 65-120 fath. 
