6 



PROCEEDINGS OF THE NATIONAL. MUSEUM. 



VOL. 64. 



the inner lobes are acute. The terminal segments of the exopodites 

 of the fifth feet bear 7 spines. 



Male. — The right endopodite of the fifth feet is 1 segmented and ex- 

 tends to the end of the second segment of the exopodite; it has a blunt- 

 pointed projection on its inner surface near the base; the distal end is 

 blunt, with a slight indentation. The inner margin of the second basal 

 segment of the left foot is denticulate; the left endopodite is 1 seg- 

 mented, is of an irregular curved form, and extends two-thirds the 

 length of the first segment of the exopodite. Figure 3 shows the 

 fifth feet of the male. 



Length. — Female, 1.5 nam.; male, 1.3 mm. 



New South Wales. 



Figs. 3-4.-3, Boeckella coronaria Henry, fifth feet of male, x 212, after Hekry. 4, B. fluvialis 

 Henry, fifth feet of male, x 153, after Henry. 



BOECKELLA FLUVIALIS Henry. 



1922. Boeckella fluvialis Henry, p. 557, pi. 56, figs. 1, 2, and 4-6. 



Female. — The first anteimae extend nearly to the end of the furcal 

 setae. The sides of thelast cephalothoracic segment extend backward, 

 the projections being slender and acute, and reach the end of the first 

 abdominal segment; the inner lobes are short and rounded with a 

 short pointed projection in the middle. The terminal segments of the 

 exopodites of the fifth feet bear 7 spines. 



Male. — In the male fifth feet the right endopodite is 1 segmented 

 and reaches the end of the second segment of the exopodite; it has a 

 blunt-pointed projection on its inner surface near the base; the distal 



