224 
CEUSTACEA. 
dactyla, crucifer ^ and euthrix, sp. n., the latter from the Pacific, and points 
out the affinity to the fossil genus Eryon. Z. wiss. Zool. xxv. part 2, 
p. xxxiii. 
Thaumastocheles^ g: n., for Astacus zaleucus (Willemoes-Suhm ; see Zool. 
Rec. xi. p. 208), J. Wood-Mason, P. A. S. B. 1874, p. 181 ; facies of the 
Thalassinidce^ but characters of Asiacidoe. 
THALASSINlOiE. 
Thalassina scorpionides (F.), Axia stirhyncha (Leach), Gebia littoralis 
(Leach), and Callianassa suhterranea, calif orniensis, and gigas, male 
appendages; Brocchi, 1. c. pp. 17-20, pi. xv. figs. 48-56. 
CkANGONIDJ). 
Pontopkilus norvegicus (Sars) = Hippolyie costata (Leuck., 1847) from 
Heligoland ; Metzger, Ber. Unters. Pommerania, p. 305. 
Atyidj;. 
Atya scabra (Leach), first pair of abdominal feet modified; Brocchi, 
1. c. p. 32, pi. xiv. figs. 33 & 34. 
Atya gabonensis, sp. n., Giebel, Z. ges. Naturw. (2) xi. p. 52, Gaboon, 
West Africa. 
AlPHEIDiE. 
Alpheus lineifer, sp. n., Miers, Ann. N. H. (4) xvi. p. 343, Samoa 
Islands. 
Niica edulis (Risso) found in the German Ocean, probably immi- 
grated through the English Channel ; Metzger, Ber. Unters. Pomme- 
rania, p. 306. 
PALiEMONIDiE. 
Hippolyte cranchi (Sabine) and polaris (Sabine) ; critical notes by 
Metzger, 1. c. p. 305, pi. vi. fig. 10. 
Virbius fasciger (Gosse) is scarcely distinct from varians (Leach) ; id. 
ibid. 
Paloemonetes varians (Leach), common in the estuaries of the shores 
of Northern Germany ; id. 1. c. p. 304. 
Palcemon gracilirostriSj sp. n., Miers, Ann. N. H. (4) xvi. p. 343, Samoa 
Islands. 
Bythocaris simplicirostris (G. O. Sars), found near Mandal, Norway, 
260 & 400 fathoms, and described by Metzger, 1. c. p. 305. 
PENEIDiE. 
Peneus caramote (Risso) and semisulcatus (Haan), male appendages ; 
Brocchi, 1. c. pp. 32 & 33, pi. xiv. figs. 27 & 28. 
Sergestes meyeri, sp. n., Metzger, Ber. Unters. Pommerania, pp. 202-204, 
pi. vi. fig. 7, Korsnaes, Norway, 337 fathoms. 
