19 Orust. 
CRUSTACEA. 
corrosa and cavernosa (M.-E.) and angolensis (Brito Capello) also belong 
to this genus. 
Cycloxanthus vittatus (Stimps., as Xantho), Cape S. Lucas and Panama ; 
A. Milne-Ed wards, Orust. Mexic. yi. p. 259, pi. xlvi. fig. 5. 
LophoxantkuSj g. n. A cutting crest along the anterior edge of the 
legs. L. lamellipes and hellus (Stimps., as Xantho)^ California and W. 
coast of Mexico ; id. 1. c. pp. 256-258, pi. xlvi. figs. 3 & 4. 
Menippe mercenaria (Say), Cuba and Florida, rumphi (Fab.) = nodi- 
frons (Stimps.), Brazil, ohtusa (Stimps.), frontalis^ sp. n., Ecuador and 
Panama, and riidis, sp. n.. Cape Verde Islands ; id. 1. c. pp. 262-264, 
pis. xlvii. & xlviii. figs. 1-4. 
Panopeus pacJcardi, sp. n., Key West, Florida, affinis (Streets & Kings- 
ley, 1877) and purpureus (Lockington), Lower California; Kingsley, 
P. Best. Soc. XX. pp. 152 & 151. 
ERIPHlIDiE. 
Geryon quinquedens, sp. n., S. I. Smith, Tr. Conn. Ac. v. 'p. 33, pi. ix. 
figs. 1 & 2, Gulf of Maine and Massachusetts Bay, deep water. 
Epixanthus dilatatus, sp. n., De Man, Notes Leyd. Mus. 1879, p. 58, 
Java. 
Ozius granulosus j sp. n., id. 1. c. p. 56, Bay of Gorontalo, Celebes. 
Eurycarcinus integrifrons, sp. n., id. 1. c. p. 55, Indian Seas. 
Pilumnus dasypodus \_-pus'\ and melanacanthuSy spp. nn., Kingsley, 1. c. 
pp. 155 & 156, Key West, Florida. P. spmo-hirsutus (Lockington, 1876), 
id. 1. c. p. 154, Gulf of California. 
Pilumnus dehaani, sp. n., and hirsutus (Stimps.), Japan ; Miers, P. Z. S. 
1879, pp. 32 & 31. 
PORTUNIDJU. 
Ccenophthalmus, g. n. Allied to Carcinus, but antennae excluded from 
the orbit. C. tridentatus, sp. n., A. Milne-Edwards, 1. c. p. 236, pi. xlii. 
fig. 2. 
Portunus corrugatus (Pennant), from Japan, = strigilis (Stimps.) ; 
Miers, P. Z. S. 1879, p. 33. 
Goniosoma^ Milne-Edw. (= Charyhdis^ De Haan, preoccupied in Gcelen- 
terata), nec Perty, 1832, Arachn.f requires renaming ; E. Simon, Ann. 
Ent. Belg. xxxii. p. 227, note. 
Goniosoma acutifrons^ sp. n., locality not indicated, sex-dentatum 
(Herbst) and dubium (Hoffmann) ; De Man, Notes Leyd. Mus. 1879, 
pp. 60 & 59. 
Achelous depressifrons (Stimps.) ; A. Milne-Edwards, 1. c. p. 230, pi. xl. 
fig. 4, Florida. 
Callinectes diacanthus (Latr.) is very variable, including as varieties of 
the Atlantic coast of America, C. hastatus, ornatus, larvatus, and tumidus 
(Ordway), hocourti (n.), and cayennensis (n.) = D. dance (Smith) ; from 
the Cape Verde Islands, africanus (n.) ; from the Pacific, C. toxotes 
(Ordw.), robustus (n.), bellicosus (Stimps.), arcuatus and pleuriticus 
(Ordw.) and nitidus (n,). A. Milne-Edwards, 1. c. pp. -222-229, pi, xli. 
