AET. 8. ON BOECKELLA AND PSEUDOBOECKELLA — MARSH. 15 



which are pointed. The first abdominal segment is sUghtly asym- 

 metrical. In the fifth feet the terminal segments of the exopodites 

 are armed with 7 spines. 



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

 pointed, and extends nearly to the end of the second segment of the 

 exopodite; it bears on the inner margin near the base a short curved 

 spine. The left endopodite is 1 segmented and very short. Figm-e 

 20 shows the fifth feet of the male. 



Length. — Female, 3.2 mm. 



Southern Australia. 



BOECKELLA RUBRA Smith. 



1909. Boechella rubra Smith, p. 86, pi. 18, figs. 1-5. 



Female. — The first antennae extend to the furca. The last cepha- 

 lothoracic segment extends back three-fourths the length of the first 

 abdominal segment; it has inner lobes which are rounded at the tip. 

 The terminal segments of the exopodites of the fifth feet have 7 

 spines. 



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

 extends about one-half the length of the second segment of., the 

 exopodite. The left endopodite is very short, 1 segmented, and 

 pointed. Figure 21 shows the fifth feet of the male. 



Length. — Female, 0.7 mm. 



Tasmania. 



BOECKELLA SAYCEI Sars. 



1908. Boeckella saycei Sars, pp. 8-9, pi. 1, figs. 9-13. 



Female. — The first antennae reach nearly the end of the furca. 

 The sides of the last cephalothoracic segment are divergent and pro- 

 duced backward to the third abdominal segment; they have inner 

 lobes which are small with rounded tips. In the fifth feet the terminal 

 segments of the exopodites are armed with 7 spines. 



Male. — In the right fifth foot the second basal segment has a 

 short broad spine on its inner margin; the endopodite is 3 segmented, 

 exceeding in length the first segment of the exopodite. The left 

 endopodite is short and lamelliform. Figure 22 shows the fifth feet 

 of the male. 



Length. — Female, 1.5 mm. 



Southern Australia. 



BOECKELLA SEARLI Sars. 



1912. Hemiboeckella searli Sars, pp. 13-18, pi. 9, figs. 1-14 

 1922. Hemiboeckella searli Henry, pp. 560-561. 



Female. — The first antennae extend to the abdomen. The sides 

 of the last cephalothoracic segment have no inner lobes and project 

 back very slightly. The first abdominal segment is slightly asym- 

 metrical. The exopodites of the second antennae consist of 7 seg- 



