16 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 64. 



ments, 1, 2, 4, 5, and 6 being short. The terminal segments of the 

 exopodites of the fifth feet are armed with 6 spines. 



ifale. — In the fifth feet the right endopodite is 3 segmented, the 

 second segment having on its inner distal angle an acute cuticular 

 projection extending twice the length of the third segment. The 

 left endopodite is 2 segmented, the second segment bearing on its 

 inner side a seta-like projection. The second basal segment of the 

 left foot has on its inner distal angle a broad cuticular process reach- 

 ing to the middle of the second segment of the exopodite; the second 

 segment of the exopodite has a small external spine and a rather 



/ 



Figs. 22-23.-22, Boeckella saycei Sars, fifth feet of male x 1"0, aftek Saes. 23, B. searli Saes, 



FIFTH FEET OF MALE, AFTER SARS. 



strong curved spine about midway of its inner border. Figure 23 

 shows the fifth feet of the male. 



Length.— MsXe, 1 mm.; female, 1.6 mm. 



Southern Australia. 



Sars makes the new genus HemiboeckeUa for this'species, but I see 

 no good reason for separating it from Boeckella. 



BOECKELLA SYMMETRICA Sars. 



1908. Boeckella symmetrica Sars, pp. 9-10, pi. 1, figs. 14-17. 



Female. — The first antennae extend to the furca. The lateral ex- 

 tensions of the last cephalothoracic segment are very short and pro- 



