ART. 8. 



ON BOECKELLA AND PSEUDOBOECKELLA MAESH. 



23 



Male. — The lobes of the last cephalo thoracic segment are much 

 smaller than in the female. In the fifth feet the right endopodite 

 consists of 3 segments and the terminal segment is armed with 4 

 spines. The left endopodite is 2 segmented and is very small. 

 Figure 31 shows the fifth feet of the male. 



Length. — As given by Daday for entzii, male, 2.2-3 mm.; female, 

 2.6-3.5 mm. The other authors do not give the size. 



South Georgia; Patagonia. 



PSEUDOBOECKELLA SETOSA Daday. 



1901. Boeckella setosa Daday, p. 347. 



1902. Boeckella braziliensis Daday, pp. 247-251, pi. 6, fig. 15; pi. 7, figs. 1-6. 



Female. — The first antennae equal in length the cephalothorax. 

 The sides of the last cephalothoracic segment are produced backward 



Figs. 32-34.-32, Pseudoboeckella setosa Daday, fifth feet of male, after Daday. 33, P. sn,- 

 VESTRi Daday, fifth feet of male, after Daday. 34, P. silvestri Daday fifth foot of female, 

 AFTER Daday. 



nearly to the second abdominal segment; they do not have interior 

 lobes, but are smuate on the inner margins. The terminal segments 

 of the exopodites of the fifth feet have 3 spines. 



Male. — The endopodite of the right fifth foot equals in length the 

 first 2 segments of the exopodite; the termmal segment is armed with 

 4 spines. The left endopodite of the fifth feet is 2 segmented and 

 a,bout one-half the length of the first segment of the exopodite. The 

 second segment of the left exopodite has 1 spine on the external 

 border and also a small spine on the internal side at the base of the 

 hook. Figure 32 shows the fifth feet of the male. 



Length. — Male, 1.6-2 mm.; female, 1.8-2.2 mm. 



Patagonia. 



Daday, 1902, makes B. setosa a synonym of B. hraziliensis Daday 

 and D. hraziliensis Lubbock. It seems probable that setosa Daday 



