DECAPODS 89 



Station 2862) ; here only one specimen was taken, of which the rostrum 

 and tail are missing ; the characters of the remaining part coincide with 

 those of typical specimens. 



Other stations at which this species was collected by the Albatross are : 

 Off Pribilof Islands, 25-60 fathoms, stations 3484, 3496, 3558. 

 Off Rat Islands, Aleutians, 55 fathoms, station 3599. 

 Unalaska, 35-85 fathoms, stations 3311, 3319, 3321, 3322. 

 Off North Head, Akutan Island, 56 and 72 fathoms, stations 2841, 2842. 

 Off south entrance to Akutan Pass, 45 fathoms, station 2843. 

 Unimak Pass, 34-56 fathoms, stations 3220, 3222,3223. 

 Northwest of Unimak Island, 43 fathoms, station 3262. 

 Southwest of Sannak Islands, 41 fathoms, station 3213. 

 1 5 miles south of Sannak Islands, 44 fathoms, station 2846. 

 Off Kudobin Islands, 36-41 fathoms, stations 3279, 3281. 

 Shumagins, 48 and 21 fathoms, stations 2847, 2850. 

 Off Cape Strogonof, 26 fathoms, station 3291. 

 Portlock Bank, 51-68 fathoms, stations 2856, 2857. 

 Admiralty Inlet, Puget Sound, 40 fathoms, station 2865. 

 Washington Sound, Straits of Fuca, 48 fathoms, station 2864 (type 



locahty). 

 Strait of Fuca, 48-1 14 fathoms, stations 3443, 3445, 3461, 3462, 3465. 

 Granite Cove, Port Althorp, Chichagof Island, Alaska (W. H. Dall). 

 Puget Sound (T. Kincaid). 



SPIRONTOCARIS SUCKLEYI (Stimpson). 



Hippolyte siickleyiSmivso-ii, Proc. Acad. Nat. Sci. Phila,, 1864, 154; Lenz, 

 Zool. Jahrb., Syst., xiv, 432, pi. xxxil, fig. i, 1901. 



SpiroTttocaris gahnardii Rathbun, The Fur Seals and Fur-Seal Islands of 

 the North Pacific Ocean, Pt. Ill, 556, 1899 (part). 



Female.— Vat nearest approach in the Pacific to the S. gaimardii oi 

 the Atlantic. Associated with S. townsendi, with which it may easily be 

 confounded ; distinguished from it as follows : 



The rostrum is rather more concave above instead of nearly straight ; 

 it reaches end of, or may exceed, antennal scale. 



The antennular scale does not reach the end of the second segment of 

 the peduncle. 



The antennular peduncle reaches middle of antennal scale (length 

 measured along outer margin). The second segment is appreciably 

 longer than the third. 



The antennal scale, measiu-ed on its outer margin, is much shorter than 

 the carapace. 



The outer maxillipeds overlap the distal fourth of the antennal scale, 

 and may reach the end of the scale. 



The second pereiopod is commonly destitute of an epipod ; sometimes 



