206 STALK-EYED CRUSTACEA. 
the distal part of the outer, and on the distal, margins. The posterior tho- 
racic appendages, when stretched forward, reach to the distal end of the 
antennal scales. There are no exopods on any of the thoracic appendages 
behind the third maxillipeds. In the median line of the sternum of the first 
abdominal sezment there arises a long, laterally compressed, vertical tooth. 
Length, 112 mm.; carapace, 44.5 mm,; rostrum, 8 mm. 
Station 3358. 555 fathoms. 3 males, 2 fem. 
(Teo 300. hkior ye 1 male, 1 fem. 
cc eS36a5) 20S “ 3 males, 5 fem. 
Cee G4 eo oie oe 2 males. 
CSS 30-5 ROO | ee 1 fem. 
eT o0uR OO oe 1 male, 1 fem. 
eS sonos pula. ae 2 fem. 
" =38Hs, 2cO4* —~s 1 male. 
SG 0 tell’) us 1 male. 
aa C4a toe. Ps 27 males, 36 fem. 
Kc -  -38935 71020" 2 males, 3 fem. 
SP SAO Ora es, 1 fem. 
KF eB s05. toot.) 1 male, | fem. 
«- 3404. 385 as “Sfemt: 
co e340"%., ~885 “ 5 fem. 
ce SAOY Saale |< 2 males, 3 fem. 
Cy BAA S92 4e° 1 male, 1 fem. 
ee Alea SOOO. —“< 7 males, 8 fem. 
Pte Oars 1 male. 
tease OOO |< 1 male. 
EOS Or OOo) le ae 3 males, 2 fem. 
ay By Saha Ula 5 fem. 
In this species the carina on the fifth and sixth abdominal segments 
terminates posteriorly in a small acute tooth, whereas in the preceding 
species, B. allus, these segments are destitute of teeth, the posterior margin 
of the sixth rising to form a peculiar transverse ridge. B. brasiliensis Bate 
differs from the present species in having the carapace higher, with more 
convex infero-lateral borders, the third, fourth, and fifth abdominal segments 
toothed, the sixth toothless, and in the lack of the tooth or tubercle on the 
sternum between the first pair of abdominal appendages. B. bartlett? Smith, 
from the Atlantic side of the continent, resembles &. ¢anneri in many respects, 
