FISHERY BULLETIN: VOL. 73, NO. 4 



51°26'N and long. 138°28'W, Mid-water Trawl No. 

 857 (MT 857); Allotype (USNM 150836), female, 

 14.5 mm c.l., station Newport Hydrographic Line 

 65 nautical miles (120 km) offshore (NH 65), MT 

 2130; Paratypes: 1 male (USNM 150837), 15 mm c.l., 

 from NH 265, MT604; 2 males (USNM 150838), 8 

 and 6.5 mm c.l., NH 65, MT 2088; 1 male (USNM 

 150839), 14 mm c.l., NH 65, MT 2131; 1 male (USNM 

 150840), 13.5 mm c.l., NH 65, MT 2130; 4 females 

 (USNM 150841), 14.5, 14, 10, 18 mm c.l., NH 65, MT 

 2130; 4 males (USNM 150842), 12.5 13.0, 13.2, 17.5 

 mm c.l., NH 65, MT 2130; 1 male (USNM 150843), 

 9.0 mm C.I., NH 50, MT 570; 1 male (USNM 150844), 

 9.5 mm c.l., lat. 40°28', long. 133°46', MT 613; 3 

 females (USNM 150845), 13.3, 14.0, 15 mm c.l., NH 

 65, MT 2121 Net #5; 1 female (USNM 150846), 

 20.0 mm c.l., NH 65, MT 2133 Net #1; 2 females 

 (USNM 150847), 7 and 10 mm c.l., NH 65, MT 2070 

 Net #5; 2 males, 1 female (BMNH 1975:10), 14.2, 

 16.4, 13.2 mm c.l, NH 65, MT 2175 Net #5; 1 female 

 (BMNH 1975:10), 15.7 mm c.l., NH 65, MT 2178 Net 

 #4; 1 female (BMNH 1975:10), 12.6 mm c.l., NH 65, 

 MT 2302 Net #4; 1 male (BMNH 1975:10), 11.5 mm 

 C.L, NH 65, MT 2301 Net #1. Other, nonparatype, 

 material deposited at Los Angeles County 



Museum; Fisheries Research Board of Canada 

 Biological Station, Nanaimo, British Columbia; 

 and School of Oceanography, Oregon State 

 University, Corvallis, Oreg. 



Z)iagwo.sis.— Benthesicymae with podobranch on 

 second maxilliped to third pereiopod inclusive; 

 first ma.xilliped with single rudimentary 

 arthrobranch; only sixth abdominal somite with 

 middorsal carina; telson distally truncate, usually 

 with single pair of mobile terminal lateral 

 spinules. Accessory lobe of petasma characterized 

 by large upturned terminal hook. Plate of 

 thelycum on sixth thoracic sternite triangular and 

 elevated, projecting ventrally in strong ridge; 

 plate on eighth thoracic sternite pentagonal with 

 anteriormost angle concave and anterolateral 

 margins bearing spines. 



Description. -Rostrum extending to level of eye 

 tubercle, well elevated above middorsal carina of 

 carapace (Figure 1). Margin between rostral tip 

 (apex) and dorsal spine with usual setal fringe 

 (although broken in type). Middorsal carina of 

 carapace bearing minute tubercle posterior to 



Figure 1. -Mature female Bentheogennema burkenroadi n. sp. illustrating the (a) anterior and (b) posterolateral lobes of the ovary. 

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