578 
THE VOYAGE OF H.M.S. CHALLENGER. 
Stations 164b 
and 164c. 
Ophiacantha stimulca . n.sp. (950 fathoms ?); obtained at no other locality. 
„ sp. (?)• 
Echlnotdea (Agassiz, Zool. pt. 9). 
P.yrocidaris degans, n.sp. Obtained also at Station 214, 500 fathoms. 
Phormosoma hoplacantha , Wyville Thomson, n.sp. Obtained also at Stations 235 
* and 300, 565 and 1375 fathoms. 
Prionechinus sagittiger, n.g., n.sp. (950 fathoms ?) ; obtained also at Stations 207 
and 218, 700 and 1070 fathoms. Only species of 
the genus. 
Fibularia australis, Desmoulins. (950 fathoms ?) ; obtained also at Port Jackson. 
Holothurioidea (Theel, Zool. pt. 13). 
Lxtmogone violacea, n.g., n.sp. Two specimens (950 fathoms?); obtained at no 
other locality by the Challenger. Recorded subsequently 
from Faroe Channel (“ Knight Errant ’’). 
Pannychia moseleyi, n.g., n.sp. One specimen (950 fathoms?); obtained also at 
Station 169, 700 fathoms. Only species of the genus. 
Ostracoda (Brady, Zool. pt. 3). 
Bairdia victrix, Brady. For distribution see Station 24. 
Cythere dictyrn, n.sp. Widely distributed (see Station 24). 
,, dasyderma, n.sp. Widely distributed (see Station 5). 
Krithe producta, n.sp. Widely distributed (see Station 70). 
Cirripedia (Hoek, Zool. pt. 25). 
Pfccilasma gracile, n.sp. One specimen ; obtained at no other locality. 
Alepas pcd unculata, n.sp. Several specimens on spines of Phormosoma hoplacantha ; 
obtained at no other locality. 
Scaljtellum intermedium, n.sp. One specimen ; obtained also at Station 169, 
700 fathoms. 
„ dongaJtum, n.sp. Obtained also at Stations 135 and 169. 
Isopoda (Beddard, Zool. pt. 33). 
S> rolls bromleyana, WillemoeH-Suhm, n.sp. Obtained also at Stations 156, 168, 
and 169. 
Two other specimens, genus and species undetermined. 
