. Decapod crustaceans of the northwest coast of North America ... Crustacea -- North America. 54 RATHBUN. Fig. 17. Pandalopsis longirostris. Station 3316. a. Side of carapace (natural size). b. Acicle (x s)- c- Chela (X sJ)- d. Telson (X 2). carina behind the middle of the carapace, armed with 9 movable spines, four of which are on the carapace (the hinder one inserted very slightly behind the middle) and five on the base of the rostrum; i subterminal immovable spine; lower margin armed with ix immovable spines. Antennular peduncle extending to middle of scale. Scale as long as carapace. Anten
. Decapod crustaceans of the northwest coast of North America ... Crustacea -- North America. 54 RATHBUN. Fig. 17. Pandalopsis longirostris. Station 3316. a. Side of carapace (natural size). b. Acicle (x s)- c- Chela (X sJ)- d. Telson (X 2). carina behind the middle of the carapace, armed with 9 movable spines, four of which are on the carapace (the hinder one inserted very slightly behind the middle) and five on the base of the rostrum; i subterminal immovable spine; lower margin armed with ix immovable spines. Antennular peduncle extending to middle of scale. Scale as long as carapace. Antennal pe- duncle reaching to middle of second antennular segment. Maxillipeds reaching almost to end of scale, very stout and hairy. The first pair of pereiopods overlaps the basal fourth of the last joint of the maxilli- peds ; second pair extending beyond acicle by length of chela, carpus of 21 joints, chela equal to the seven adjoining segments, fingers almost as long as palm; third pereiopods extending beyond the acicle by the length of the dactylus and two thirds of the propodus. Sixth segment of abdomen two and a half times as long as wide; telson broader than in P. aleuiica. Z^/w^w/^/w. —Male, length 112 mm., carapace and rostrum 59 mm., rostrum 41 mm. Distribution.—Off Iliuliuk Harbor, Unalaska, 309 fathoms, station 3316, Albatross, 2 males (one without rostrum). PANDALOPSIS DISPAR Rathbun. Plate I, fig. 2. Pandalopsis dispar'^KiYLV.\5'^, Proc. U. S. Nat. Mus., XXIV, 902, 1902. Surface very finely and closely punctate. Rostrum two to two and a half times the length of the rest of the carapace, arched over the eyes, the remainder slightly ascending. Median crest occupying two thirds the length of the carapace, posterior spine at the anterior third, spines i6 to 21, three or four of which are on the carapace, spines closely placed on the arch, distant on the remainder of the rostrum. Inferior spines 9 to 15, extremity bifid or sometimes trifid. Antennal spine long and s
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