43 Crust. 
CRUSTACEA. 
HARPACTICIDiE. 
BalcenophiluSy g. n. Body almost cylindrical ; anterior antennae 
8-jointed, posterior 2- jointed, with a secondary 1 -jointed branch, man- 
dibular palpus reduced to a setiferous tubercle, maxillary palpus un- 
branched ; first pair of feet strongly clawed ; feet of fifth pair rudi- 
mentary j two ovisacs. Nauplius transversely oval, with three pairs of 
short appendages, destitute of joints. B. unisetis, sp. n., epizoic on the 
whalebone-plates of Balcenoptera sibbaldi (Gray), Vadso, Arctic Norway, 
all stages of development from the new hatched Nauplius to the adult 
Cyclops together, firmly adhering to the plates by means of strongly- 
armed limbs. Aurivillius, CEfv. Ak. Forh. v. No. 18, Bihang, 16 pp. 
4 pis. 
Canthocamptus cavernarum^ A. S. Packard, Jun., “ Zoology for Students, 
&c.” (New York : 1879), p. 297, fig. 238, eyed. Mammoth Gave, Kentucky. 
Canthocamptus minutus (Mull.), var. n. occidentalism O. L. Herrick, Rep. 
Geol. Surv. Minnesota, vii. p. 95, pi. v., Lakes near Minneapolis. 
OALANIDiE. 
Centropages brevicaudatus (Brady, 1875), Brady, Phil, Trans, clxviii. 
p. 215, pi. xii. figs. 11-19, Kerguelen, in fresh-water lakes; no males 
found. 
Diaptomus longicornis, p. 90, pi. i., pallidas, p. 91, pi. ii. spp. nn., Her- 
rick, /. c., Lakes near Minneapolis. 
Peltidiid^. 
Zausoscidia, g. n. “Corpus depressum, porrectum, prof unde incisum, 
feminee 9-, maris 10-articulatum, abdomine magnopere attenuate. Maxilli- 
pedes inferiores magni, manu prehensili, pars basalis elongata, non articu- 
lata. Pedum primi paris ramus internus biarticulatus natatorius et 
prehensilis, externus longior, 3-articulatus, uncis compluribus armatus, 
prehensilis. Pedes postici tenues, non foliacei.” Z./oliilfoW], sp. n., 
G. Haller, Zool. Anz. ii. p. 179, Messina and Lipari. 
Porcellidium parvulum and ovatum, spp. nn., id. 1. c. pp, 179 & 180, 
Messina. 
Oniscidium triarticulatum, sculptum, and incertum, spp. nn., id. 1. c. 
p. 180, Messina and Lipari. 
OORYCiEIDiE. 
Sapphirina dance (Lubbock) ; Brady, Phil. Tr. clxviii. p. 216, pi. xii. 
figs. 1-10, Southern Indian Ocean, 30° S., 45' E., fully described. 
Notouelphyid^. 
Ovary and testis unpaired ; a female orifice present, not found before ; 
