126 



BULLETIN OF THK BUREAU <>K FISHERIES. 



one-fourth in the male. Antennae large ami well armed; sucking disks enormous, relatively the 

 largest of any American species, occupying most of the breadth of the carapace; posterior maxillipeds 

 long and slender; basal plate small, Its teeth very short and blunt; anterior swimming legs reaching 

 just beyond the edge of the carapace, posterior ones uncovered. Abdomen much elongated in the 

 male, its lobes almost entirely Idled by the large testes; a large conical appendage on the anterior of 

 the swimming legs in addition to the regular accessory organs. 



Argului fit .•■ ' i Ventral surfact 



•[ male; &, ventral -una i female: r, antennae of male; '/. posterior 



maxilliped of male. 



Color yellowish-white, mottled with pale rust -color, the dorsal surface of the ovaries and testes 

 heavily mottled with very dark brown pigment and thus contrasting strongly with the rest of the 

 body. Length of the female, 5 mm.: length of carapace. :-;. I mm.; breadth of ca'ra ace. 3.5 nun.; 

 length of abdomen. 1.1 mm.; breadth of abdomen, 0.6 mm.: male about three-fifths this size, hut 

 with an abdomen 1.3 mm. long. (Description from living specimens. I 



