18 Grust. 
CRUSTACEA. 
Note on. gigantic Ostracod, 25 mm. long, dredged in the Southern 
Indian Ocean ; Willemoes-Suhm, P. R. Soc. xxiv. p. 587. 
COPE POD A. 
CaLANIDA'I. 
Diaptomus. Nauplius- and Metanauplius-stage ; Claus, Untersuch. 
Crust, syst. p. 75, pi. xix. figs. 3-5. 
Ternora velox (Lilj-) found in the stomach of Alausa vulgaris (Val.) ; 
its eggs and spermatophores described. Weber, Arch. f. Nat. xlii. 
pp. 1 (18-178, pi. vii. 
Lichomolgid^. 
SahellipJiirus sarsi (Claparede). The male, as well as the buccal 
organs and the large single eye of the female, described ; C. Claus, 
Z. wiss. Zool. xxvi. pp. 161-1G5, pi. x. 
CALIGIDJi]. 
Caligus lacustris (Stp.). The male found on the gills of Perea 
Jluviatilis, at Hamburgh, and described ; F. Richters, Verb. Ver. Hamb. 
ii. pp. 244 & 245. 
Lernoionema ahdominale (M.E.) lives on Boreogadus productus (G^thr.), 
and another undetermined Lernjeid on Syngnathus acicidaris, on the 
coast of Peru; Schmeltz, J. Mus. Godeffr. xii. p. IGO. 
CIRRIPEDIA. 
Development of the Cirripedia discussed and compared with that of 
the Copepods; and the chrysalis-like stage of Balanus and Lepas 
described and figured ; Claus, Untersuch. Crust, syst. pp. 79-90, pi. xvi. 
Lepas fascicularis (Ellis) ; its embryology and metamorphosis de- 
scribed, Nauplius-stage {Archizoea, Dohrn) attaining a size of 12-14 
mm., freely swimming somewhat below the surface of the sea, and 
second Cypris-like stage attached to dead specimens of Velella on the 
surface. This is the first time that the whole metamorphosis of a Cirriped 
from the egg to the adult form has been observed and described. Wille- 
moes-Suhm, Phil. Tr. clxvi. pp. 131-154, pis. x.-xv. Abstract in P. R. 
Soc. xxiv. pp. 129-132, and Z. wiss. Zool. xxvii. pp. evii. & cviii. 
Scalpellum (Leach) is widely distributed in the greater depths, and is 
the only Cirriped which was often met in depths from 950-2850 fathoms ; 
id. P. R. Soc. xxiv. pp. 574 & 592. S. streemi (Sars), Heller, Denk. Ak. 
Wien, xxxvi. (1875), p. 39, pi. iv. figs. 13 & 14, Arctic Sea. 
ARANEIEORMIA. 
[See Pycnogonidea, in the Arachnida, m/r«.] 
