NO. 3541 BENTHIC AlVIPHIPODA — BARNARD 25 



Distribution: In the northeastern Pacific Ocean from about 33° N 

 to about 49° N, 109-1740 m. 



Lysianassa holtnesi (Barnard), new combination 



Aruga holtnesi Barnard, 1955b, p. 100, pis. 27, 28. — Gurjanova, 1962, pp. 



299-301, figs. 98, 99. 

 Lysianopsis holmesi. — Hurley, 1963, pp. 74-75, fig. 21b. 



Material: 6431 (1), 6474 (1). 



Distribution: Monterey Bay to Ecuador, 1-183 m. 



Remarks: I am carrying Hurley's synthesis of various lysianassid 

 genera one more step by fusing Lysianopsis Holmes, along with Aruga 

 Holmes, Shoemakerella Pirlot, Arugella Pirlot, and Pronannonyx 

 Schellenberg to Lysianassa. This procedure is discussed in another 

 paper (Barnard, MS). 



Lysianassa oculata (Holmes), new combination 



Aruga oculata Holmes, 1908, pp. 505-507, figs. 14, 15.— Barnard, 1955b, p. 98, 



pi. 29, figs. a-f,h,j.— Gurjanova, 1962, pp. 294-296, fig. 96. 

 Lysianopsis oculata. — Hurley, 1963, p. 74, fig. 21c. 



Material: 6426 (1), 6428 (1), 6429 (1), 6431 (6), 6438 (1), 6439 (1), 

 6448 (1), 6451 (2), 6455 (1). 



Distribution: Monterey Bay to southern California, 32° N, 18 to 

 ?300 m, generally shallower than 100 m. 



Opisa tridentata Hurley 



Opisa tridentata Hurley, 1963, pp. 26-30, figs. 4, 5. 



Material: 6435 (1), 6471 (3), 6474 (2). 



Distribution: Monterey Bay to southern California, 33° N, 44- 

 183 m. 



Orchomene decipiens Hurley, new combination 



Orchomenella decipiens Hurley, 1963, pp. 127-130, figs. 43, 44. 

 Orchomene species. — Barnard, 1964a, p. 231. 



Material: 6435 (1), 6471 (5), 6474 (2), 6477 (1). 



Distribution: Monterey Bay to San Cristobal Bay, Baja California, 

 35-180 m. 



Remarks: Barnard (1964b) synonymized Orchomenella Sars with 

 Orchomene Boeck. 



Orchomene pacifica (Gurjanova) 



Orchomenella pacifica Gurjanova, 1938, pp. 252-254, fig. 3; 1951, p. 287, fig. 155; 



1962, pp. 174-177, figs. 52, 53. 

 Orchomene pacifica. — Barnard, 1964b, pp. 92-93, fig. 13. 



Material: 6471 (7), 6474 (4). 



Distribution: Northwestern Pacific Ocean, Japan Sea, Okhotsk 

 Sea, 29-129 m; California from Monterey Bay to southern California, 

 33° N, 46-183 m. 



