MACRURA. 
Crust. 21 
Carides. 
Crangon scliilUrms, sp. n. (Cbieregliini, MS.), Nardo, 1. c. p. 103, pi. ii. 
fig. 6, Adriatic Sea. 
Crangon nigro-maculata^ sp. n., Lockington, P. Cal. Ac. 1876, Feb. ; is a 
colour variety of C. nigricauda (Stimps.), Streets & Kingsley, Bull. Ess. 
Inst. ix. p. 108. C. alashensis, sp. n., Lockington, 1. c. Alaska. 
Cheraphilus horeas (Phipps), varieties of age ; Miers, Ann. N. H. (4) 
xix. p. 136. Sexual differences and Arctic distribution ; id. op. cit. xx. 
pp. 57 & 68. 
Sahinea septem-carinata (Sabine), sexual differences ; id. 1. c. p. 68. 
Vianellia, g. n., founded on an old drawing by Chieregbini, near 
Crangon, but hands perfectly didactyle. V. dorsiocullata [sic], sp. n. 
(Chieregbini, MS.), Nardo, Annot. Crost. p. 110, pi. iii. fig. 6, Adriatic. 
Niha longipes (Nardo, 1847), id. 1. c. p. 104, pi. iii. fig. 1, Adriatic. 
Chiereghinia, g. n., distinguished from Nika and Athanas, chiefly by 
the equal didactyle hands and the hairy elongate feet. C. pellucida 
(Chieregbini, MS.), id. 1. c. pp. 104 & 105, pi. ii. fig. 6, Adriatic. 
Hii^polyte borealis (Owen), variability of the teeth at the lower edge 
of the rostrum ; Miers, Ann. N. H. (4) xix. p. 134. The same species 
and gaimardi (M.E.), (Sow.), iwrgrtcfa (Kroyer), (Kroyer) ?, 
polaris (Sabine), and grainlandica (F. C. Fab.) = aculeaia (0. Fab., et 
auctt.), from Smith Sound and Grinncll Land, the last in 82® 30' N. lat., 
described ; id. op. cit. xx. pp. 59-63. 
Alpheus gambarellus and gambarelloides (Chieregbini, MS.), and ? 
vittatus, sp. n., Nardo, 1. c. pp. 107-109, pi. iii. figs. 2-4, Adriatic Sea. 
Phleusa, g. n., founded on an old drawing by Chieregbini, apparently 
distinct from Alpheus by the third pair of thoracic feet being also 
didactyle [first pair as in Alpheus, but eyes not covered by the shield]. 
P. cynea (Chieregbini, MS.) ; id. 1. c. p. 109, pi. iii. fig. 6, Adriatic 
Sea. 
BeUidia, g. n. Internal antennge very little above the external, com- 
posed of two filaments forming a right angle ; external antennae with the 
basal plates very large. First pair of feet small, didactyle, consirailar ; 
second pair long, very slender, didactyle, both arm and wrist many- 
jointed. Eyes not covered by the carapace. Abdomen bent abruptly. 
Tail plates large, all undivided. B. hunti, sp. n., Torbay ; Gosse, Ann. 
N. H. (4) XX. pp. 313-316, pi. x. 
Paloemon ohionis, sp. n.. Smith, Rep. U. S. Fish. Comm. 1872-1873, 
p. 640, and Forbes, Bull. Illin. Mus. 1876, No. 1, p. 6, Ohio and Missis- 
sippi rivers. 
Palcemon jehlcii, sp. n., Miers, P. Z. S. 1877, p. 661, pi. Ixvii. fig. 1, 
Oyapok, Guiana. P. nattcreri and brasiliensis (Heller), River St. Laurent 
in Guiana and P. gaudichaudi (M. E.) with var. ccementarius (Poppig) 
Peru and Chile ; id. 1. c. pp. 660-662. 
Euryr [r] hynchus, g. n., near Palcemon, having antennuloe with 3 flagella, 
but rostrum very short and broad ; basal scale of the antennae small ; 
second pair of legs as in Anchistia. E. wrzesniowsJcii, sp. n., Cayenne ; 
id. 1. c. p. 662, pi. Ixvii. fig. 2. 
