ART. 8. 



ON BOECKELLA AND PSEUDOBOECKELLA — MAESH. 



abdominal segment is asymmetrical, projecting to the left. The 

 exopodite of the second antenna consists of 7 segments, 1, 3, 4, and 

 5 being short. The terminal segments of the exopodites of the fifth 

 feet are armed with 3 spines. 



Male. — The sides of the last thoracic segment are not lobed and 

 are asymmetrical. In the fifth feet the second basal segments have 

 lamellae on the inner side; the right endopodite is 3 segmented and 

 extends one-half the length of the second segment of the exopodite; 



FlQS. 1-2.— 1, BOECKELLA ASYMMETRICA SEARLE, FIFTH FEET OF MALE, AFTER SEARLE. 2, B. BERG 



Richard, fifth feet of male, after Sars. 



the left endopodite is of 1 segment and is minute, 

 the fifth feet of the male. 



Length. — ^^lale, 1.45-1.8 mm.; female, 1.8-2 mm. 



Argentina; Patagonia. 



BOECKELLA CORONARIA Henry. 



Figure 2 shows 



1922. Boechella coronaria Henry, pp. 557-558, pi. 55, figs. 1-7. 

 Female. — The first antennae extend to the middle of the furca. 

 The sides of the last cephalothoracic segment flare out somewhat 

 and project back beyond the middle of the first abdominal segment; 



