DECAPODS 47 



Abdomen two and a third times as long as carapace, smooth, non- 



carinate, third segment very slightly produced backward in the middle ; 



sixth segment twice as long as wide ; seventh one and a half times as 



long as sixth, with six spinules on each side. 



Bifftejisions. —Ovlgtroyxi female (Herendeen Bay), length 133 mm., 



length of carapace and rostrum 61 mm., of rostrum 31 mm. 



Distribution.— Yvom Bering Sea to Strait of Fuca and Kurile 



Islands, 3 to 20 fathoms. 

 Unalaska (Brandt). 



Specimens have been examined from the following localities : 

 Cape Etolin, Nunivak, 8 fathoms; Hagemeister Island, 8 to 15 



fathoms; Nazan Bay, Atka, 10 to 16 fathoms; Unalaska, 3 to 6 fath- 

 oms; IHuHuk Harbor, Unalaska, 3 to 10 fathoms; Port Levashef, 



Unalaska; Popof Strait, Shumagins, 6 fathoms; Shahafka Cove, Ka- 



diak; Chugachik Bay, Cook Inlet, between 20 and 60 fathoms; Sitka 



Harbor, 15 fathoms (W. H. Dall). 



St. Michael, Norton Sound (E. W. Nelson). 



Herendeen Bay, Alaska, fine specimens, abundant {Albatross). 



Kadiak, dredged (W. R. Coe, Harriman Expedition), " very bright col- 

 ored." 



Port Angeles, Washington {Albatross). 



Portage Bay, Alaska (Lieutenant H. E. Nichols, U. S. N.). 



Bering Island (L. Stejneger and N. Grebnitzky). 



Petropavlovsk, Kamchatka (L. Stejneger). 



Rakovaya Bay, Avacha Bay, Kamchatka {Albatross). 



Off Iturup Island, Kurile Islands, 18 fathoms {Albatross station 3653). 



PANDALUS DAN^ Stimpson. 



Pandalus dance Stimpson, Proc. Boston See. Nat. Hist, vi, 87, 1857; 



Jour. Boston Soc. Nat. Hist., vi, 502 [62], pi. XXI, figs. 6, 7, 1857. 



Opposite Fort Townsend in Puget Sound. 

 Pandalus frattciscorum KiNGSLEY, Proc. Acad. Nat. Sci. Phila., 1878, 94. 



San Francisco. 

 A rather stout species. Surface finely pitted. Rostrum a little 

 longer than the carapace (from one fifth to one eighth longer), distal 

 two thirds directed obliquely upward. Median dorsal spines 10 to 12, 

 movable, about half of them on the carapace, the posterior spine a little 

 behind the middle; terminal half of rostrum unarmed above, apex 

 trifid, lower margin 6- to 8-spined, the spines diminishing anteriorly ; 

 lateral carinee moderately prominent. Antennal spine acuminate; 

 pterygostomian spine small, but well marked. 



Antennular peduncle reaching about half the length of acicle, last two 

 joints subequal ; outer flagellum about seven tenths length of carapace, 



