30 Crust. 
CEUSTACEA. 
Idotea annulata (Dana) ?, from Port Henry ; Miera, P. Z. S. 1881, p. 70. 
Edotia hirtipes (M.-Edw.) var. n. Irevidorsalis, Japan, and tuberculata 
(Guerin), Straits of Magellan and Falkland Islands ; id. 1. c. pp. 69 & 72, 
pi. iii. figs. 1-6. 
Chiridotea megalura^ sp. n., Sars, 1. c. p. 433, Northern Sea, 1081 & 
1215 fath., Arctic Sea, 1110-1710 fath. Nearly allied to C. sabinii 
(Leach). 
Synidotea incisa, sp. n., id. 1. c p. 433, Spitsbergen. 
Cleantis filiformis (Say), New Jersey and Massachusetts, var. from 
Brazil ?, and isopus (Grube, MS.), sp. n., Goto Island ; Miers, 1. c. pp. 77-80, 
pi. iii. figs. 7-11. 
Asellid^?. 
lanthe, g. n. Near Janira (Leach), distinguished by the great con- 
vexity of the body, the small and distant eyes, the want of an articulated 
scale at the peduncles of the inner antennae, the fully developed palpiform 
appendage of the mandibles and the three-articulated maxillar feet. 
I. speciosa, sp. n., with two rows of spines on the back and spiniform 
lateral edges of the segments. Baffin’s Bay, 98 fath. Bovallius, Sv. Ak. 
Handl. Bih. vi. No. 4, 11 pp. 3 pis. 
Acanthoniscus, g. n. Near Janira (Leach), but first pair of feet not 
subcheliform, the other feet with only one claw, uropods styliform, with 
very short branches. A. typhlops, sp. n., Sars, Arch. Math. Naturvid. 
1881, p. 434, Arctic Sea, 457 fath., whitish, no eyes. 
Ischnosoma quadrispinosum^ sp. n., id. 1. c. p. 435, Arctic Sea, 778 fath. 
ONISCIDilC. 
M. Weber gives an exact anatomical and histiological description of seve- 
ral species of Trichoniscus, comparatively with other Oniscidce^ with special 
regard to the integuments, the ramified pigment cells, the glands, 
the olfactory clubs on the last joint of the inner antennae, the feeling- 
hairs and cones at different parts of the body, the mandibles and maxillae, 
the sexual organs, chiefiy those of the males, which also yield useful 
specific distinctions. Arch. mikr. Anat. xix. pp. 579-648, pis. xxviii. & xxix. 
Porcellio reaumuri and oUvieri (M.-Edw.), specimens from Ramie 
described, the former also found at Sfax in Tunis ; Lucas, Bull. Soc. 
Ent. Fr. (6) i. p. Ixvii. 
Trichoniscus (Brandt), monographically described, T. leydigi^ sp. n., 
and (Brandt) var. n. batavus, shores of Zuyder See, under stones, 
the former colourless, slow and groping in the manner of animals which 
live always in darkness. Weber, Tijdschr. Nederl. Dierk. Ver. v. 
pp. 174-191, pi. V. figs. 1-6. 
Haplophtlialmus mengii (Zaddach, as Itea) — elegans^ Schobl, described 
from Dutch specimens; id. 1. c. pp. 191-194, pi. v. figs. 7-9. 
Platyarthrus hoffmannseggi (Braudt) found near Amsterdam, not in 
society with ants ; id. 1. c. p. 195. 
