542 DR THOMAS SCOTT ON THE 
the one and the other, as in Bradya typica; the inner lobe of the basal joint is 
furnished with two long, slender seta—the inner being rather the longer one; the 
second joint is small, and carries three sete at its apex; the two inner sete are 
elongated and subequal, but the other is short. The appendicular bristle is slender, and 
scarcely reaches to the end of the short apical seta. Caudal rami very short. 
Habitat.—Scotia Bay, South Orkneys; collected in June 1903: Station 325, 
60° 48’ 42” S., 44° 38’ 33" W. Apparently rare. 
Remarks.—The form described above is nearly allied to Bradya typica, Boeck, 
but differs in the armature of the last pair of thoracic legs, and in one or two other 
structural details. 
Genus Microsetella, Brady & Robertson, 1873. 
Microsetella norvegica (Boeck). 
1864, Setella norvegica, Boeck, Selshab. Forhandl. Christiania (1864), p. 281. 
This small Harpactid was observed in gatherings from only a few stations, viz. 
37, 62, 93, 94, and 106, 7° 50’ N., 25° 31’ W., to 39° 01’ S., 58° 40’ W. 
Microsetella rosea (Dana). 
1847, Harpacticus roseus, Dana, Proc. Amer. Acad., Boston, vol. 1. p. 153. 
This species appeared to be rather more common than the last, being present in 
gatherings from about fifteen stations, and with a distribution extending from: Stations 
7, 10, and 12 in the North Atlantic, 26° 23’ N., 20° 20’ W., to 22° 19’ N., 22° 077 
to Station 88 in 26° 25’ S., 42° 00’ W. 
Fam. MacRrosETELLIDA. 
Macrosetella, A. Scott, 1909. 
Syn. Sefel/a, Dana (but this name is preoccupied). 
Macrosetella gracilis (Dana). 
1846, Setella gracilis, Dana, Amer, Journ. Sci.’ (2), vol. i. p. 227. 
‘This species occurred in gatherings from twenty-five stations, and appeared to be 
distributed over nearly the whole area traversed by the Scotia. The northerly Stations 
comprised 7, 10, 12, 14 in the North Atlantic, while Stations 93, 94, and 95 were the 
most southerly ; 26° 23’ N., 20° 20’ W., to 32° 15’8., 47° 30’ W. 
Genus Miracia, Dana. 
Miracia efferata, Dana, 1846. 
1846, Miracia efferata, Dana, Amer. Journ. Sct. (2), vol. i. p. 230. 
This was also observed in gatherings from twenty-five stations, and its distribution 
was somewhat similar to that of Setedla. 
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