24 Crust. 
CRUSTACEA. 
either side ; mandibular palpus with small and narrow terminal segment ; 
endognath of the first maxilla short and unsegmented ; very minute ecto- 
pods on the external maxillipeds, and on all the thoracic legs, a podo- 
branchia only on the eighth somite, two arthrobranchiae on the eighth, 
ninth, tenth, eleventh, twelfth, thirteenth, and fourteenth somites, one 
pleurobranchia on the same, except the eighth. II. debilis , sp. n., 42 mm., 
East Coast of the United States, 31-32° N. lat., 333-464 fath. S. I. 
Smith, l. c. pp. 91-95, pis. xv. figs. 6-11, xvi. figs. 1-3. 
Sergestidj:. 
Sergestes robustus , sp. n., East Coast of the United ^States, 34-39° N. 
lat., 372-1632 fath., and S. arcticus (Kroyer), S. I. Smith, l. c. pp. 96-100, 
pi. xvi. figs. 4-8. 
SCHIZOPODA. 
Ileteromysis norvegica , sp. n., G. O. Sars, Forh. Selsk. Chr. 1882, 
p. 54, Norway. Chiromysis (G. 0. Sars) is identified with Ileteromysis ; 
id.- 1. c. p. 55. 
Thysanopoda bidentata, sp. n., id. 1. c. p. 50, pi. i. figs. 11-14, Norway. 
Thysanoessa borealis and tenera ) spp. nn., id. 1. c. pp. 52 & 53, pi. i. 
figs. 16-20, Northern Norway. 
STOMATOPODA. 
List of the species Of Squillidce in the Brussels Museum ; A. Preud- 
homme de Borre, C. R. Ent. Belg. (3) pp. cxi. & cxii. 
Squilla tridentata , sp. n., Thomson, Tr. N. Z. Inst. xiv. New Zealand. 
Lysiosquilla miersi , sp. n., De Yis, P. Linn. Soc. N. S. W. vii. p. 321, 
Moreton Bay. 
CUMACEA. 
Hemilamprops assimilis, sp. n., G. 0. Sars, Forh. Selsk. Chr. 1882, p. 55, 
pi. i. figs. 23 & 24. 
PHYLLOCARIDA. 
Nebalia bipes (0. Fabr.), dredged on the coast of Labrador, externally, 
anatomically, and embryologically described by A. S. Packard, Jr., who 
comes to the conclusion that Nebalia forms a separate Order among the 
Crustacea , which may be termed Phyllocarida [cf. Zool. Rec. xvi. Crust. 
p. 26], and is distinct from the Decapoda by (1) the loosely attached cara- 
pace, the two halves of which are connected by an adductov muscle ; (2) 
the movable rostrum ; (3) the very long and large mandibular palpus, 
the long slender appendage of the first maxillae, and the very long bira- 
mous maxillae ; (4) the absence of any maxillipeds ; (5) the eight pairs of 
