234 THE SCHIZOPODA. 
and a little upwards, and this process is sometimes even proportionately long 
and at least considerably longer than the outer dorsal tubercle. Third joint a 
little shorter than the second; its dorsal keel is very high, shaped nearly as in 
E. eximia, with the triangular, acute tooth beyond the middle and the rounded 
incision below that tooth well developed—— The antennal squama slightly broader 
than in Z. eximia, reaching the middle of third antennular joint; the spiniform 
process from the antennal peduncle reaches the middle of the squama. 
The copulatory organs (figs. 3f-3n) show some minor differences from those 
in #. eximia. The terminal process (figs. 3f-3h) in the main as in that species, 
being a little shorter and thicker, with the heel somewhat longer and the distal 
secondary process shorter, thicker, and obtuse. The proximal process is shorter 
and thicker than in #. eximia, with the basal third somewhat inflated on the 
outer side; about at the beginning of the distal third it is bent somewhat inwards, 
and its terminal part is, seen from behind, a flattened plate somewhat expanded 
on the outer (distal) side, but the end of the plate varies much in shape, even 
in specimens from the same locality, as is shown by four figures (figs. 3i-3n); 
~ sometimes the end is nearly cut off obliquely with the inner angle acute and feebly 
produced (figs. 3i and 3k), sometimes the end is deeply incised and the inner 
corner produced into an acute (fig. 31) or obtuse (fig. 8n), narrow process much 
longer than broad, while the most distal angle formed by the terminal and the 
outer margin is always rounded, but sometimes nearly rectangular (figs. 3m and 
3n), sometimes very obtuse (figs. 3k and 3i). The median lobe with its lateral 
process and the setiferous lobe nearly as in EZ. eximia; the auxiliary lobe is very 
long. 
The specimens taken at Sta. 4576 are somewhat small, 11-12 mm., long, 
but the species varies much in size, and a female from Lat. 34° 50’ S., long. 25° 
30’ E. measures even 18 mm. in length. 
Remarks.— The male of this species is easily distinguished from all other 
forms of the genus by the shape and direction of the lobe from first antennular 
joint. In the female the shape of this lobe is to some degree similar to that 
in the three following species, but the female of 2. recurva is easily separated 
from the other forms by the acute, slender, and spiniform process above near 
the distal inner angle of second antennular joint; in EH. diomedeae Ortm. this 
process is replaced by a triangular protuberance, while in 2. mutica H. J. H. 
and FE. brevis H. J. H. there is no armature at the upper inner angle of second 
joint; finally in 2. diomedeae and EF. mutica the lobe from first joint is directed 
upwards and considerably forwards. 
