19 Crust. 
CRUSTACEA. 
InacJius Scorpio (F.) var. lata (Czerniawski, MS.) = I. latus '(Philippi, 
MS.) = mauritanicus (Lucas), I. dorynchus (Leach) and I. thoracicus 
(Roux), Mediterranean specimens described by A. Brandt, Bull. Pdtersb. 
xxvi. pp. 401-404. 
Oncinopus angulatus, sp. n., Haswell, P. Linn. Soc. N. S. W. iv. [1879] 
p. 433, Port Jackson and Cape Grenville. 
Oregonia longimana (Bate) ? = gracilis (Dana), of which 0. hirta 
(Dana) is the female; S. Smith, Rep. Geol. Surv. Canad. 1878-79, p. 209 b. 
Halimus Icevis, sp. n. ?, Haswell, P. Linn. Soc. N. S. W. iv. [1879] 
p. 435, Tasmania and King George’s Sound. 
Microhalimus, subg. n. of Halimus. No conspicuous spines on the 
lateral borders of the carapace ; size small. II. {M.) dejiexifrons^ sp. n.. 
Port Jackson. Haswell, 1. c. p. 435, pi. xxv. fig. 2, and Ann. N. H. (5) v. 
p. 14G. 
Trachymaia^ g. n. Cephalothorax short, broad ; rostrum small with 
slightly divergent horns; orbits very open above and below, the eye can 
be retracted into a groove at the base of the postorbital spine ; basilar 
joint of the antennae very narrow. Fingers pointed ; legs diminishing 
gradually in length. Near Halimus and Amathia. T. cornuta^ sp. n., 
Barbadoes and Santa Cruz, 82-248 fath. A. M.-Edwards, Bull. Mus. C. Z. 
viii. p. 3. 
Scyramathia, g, n. Proposed for A mathia carpenteri and Scyra umho- 
nata, found in the Bay of Biscay. Id. C. R. xcii. p. 355. 
ChlorinoideSy g. n. Distinct from Chlorinus \_Chorinus, M.-Edw.] by a 
spine on the basal joint of the antennae, and by the greater relative length 
and slenderness of the feet. C. tenuirostris^ sp. n., Torres Straits. Has- 
well, P. Linn. Soc. N. S. W. iv. [1879] p. 443, pi. xxvi. fig. 1, and Ann. 
N. H. (5) V. p. 146. The author places this genus in the Maiidoc^ between 
Naxia and Micippoides. 
Micippoides longimanus, sp. n., id. P. Linn. Soc. N. S. W. iv. p. 444, 
pi. xxvi. fig. 5, Port Jackson. 
Mencethius monoceros (Latr.). Sexual difference ; De Man, Notes 
Leyd. Mus. ii. p. 171. 
Anasimus, g. n. Cephalothorax pear-shaped, vaulted ; interorbital region 
very narrow ; rostrum pointed, directed upward and forward ; eyes large, 
not retractile. External antennae with large flagellum, internal antennae 
long, replied longitudinally, frontal septum between them as in Pyromala 
and Anisonotus. First and second pairs of ambulatory legs equally long; 
tarsi elongate, feeble, not claw-like. A.fugax, sp. n., Santa Cruz and Bar- 
badoes, 56-115 fath. A. Milne-Edwards, Bull. Mus. C. Z. viii. p. 9, 
Maiidj:. 
Herbstia condyliata (Hbst.). Description by R. A. Philippi, published 
by A. Brandt, Bull. Petersb. xxvi. pp. 404-410, with woodcuts. 
Leptomithrax spinulosus, sp. n., Haswell, 1. c. p. 441, pi. xxv. fig. 3, 
Tasmania. 
Gonator [r] hyncTiuSy g. n. Carapace subtriangular, rounded behind, 
with a few minute spines on the lateral margins; rostrum slightly deflexed 
