Boone, Crustacea, Cruises of "Eagle'' and "Ara," 1921-28 189 



about one-third of the length from the base; both inner and distal 

 margins are ciliated. The second article is short, slender; the third 

 elongated, cylindrical, slender, reaching quite to the tip of the scaphoc- 

 erite; the flagellum is composed of about 100 annulations and meas- 

 ures 23 mm. long. 



The external maxillipeds are slightly longer and more prominent 

 than the first chelipeds; the distal article being oblong, flattened, 

 tapering distally and fringed with many cilia. 



The first chelipeds are slender ; the ischium terminating in a promi- 

 nent triangulate process on the under side ; the merus is very slender, 

 arched or bowed around the mouth aperture; the carpus is very 

 short, rounded ; the propodus is a little longer than the merus, cylin- 

 drical, dorsoventrally flattened, especially at the distal end, from the 

 outer angle of which the hinged, curved, acuminate dactyl arises and 

 folds across the distal propodal margin, which is convex in the median 

 part and has a strong forward and outward-pointing tooth at the 

 inner angle. 



The second legs are very slender, weakly chelate. 

 The third legs are also very slender, a trifle longer than the second 

 pair, monodactyl. 



The fourth and fifth pairs of legs are subequal, shorter and stouter 

 than the third pair and fringed with cilia along their lateral margins. 

 Synonymy. — Crangon lar Owen, in Capt. F. W. Beechey's Narrative 

 of a Voyage to the Pacific and Bering's Strait: to cooperate with 

 the Polar Expedition, performed in H. M. S. 'Blossom,' Crus- 

 tacea, p. 88, pi. 28, fig. 1, 1839. 

 Argis lar Kroyer, Naturh. Tidssk., vol. 4, p. 255, pi. 5, figs. 45-62, 

 1842.— DeMan, Siboga Exped. Monographic 39a/3, p. 256, Jan., 

 1920, Leyden. 

 Nectocrangon lar Stimpson, Proc. Acad. Nat. Sci. Phila., 1860, p. 25. 

 — Ortmann, idem, vol. 47, 1895, pp. 175 and 181. — Rathbun, 

 Kept. Harriman 



Genus : sabinea Owen, 1835. 

 Sabinea septemspinosa (Sabine). 

 Plate 71. 

 Type: Sabine's type material consisted of several specimens taken 

 in the trawl on the west coast of Davis Strait. 



Color: "Varied red and white above, white beneath." 

 Distribution : A polar species, known in Arctic America, eastward 

 from the Alaskan boundary to western Greenland, thence southward on 



