Station 50. 
OOOAXIHM'* FKOM 
SfKFACl-NrTH. 
Station 01. 
230 THE VOYAGE OF H.M.S. CHALLENGER. 
ScnizoPODA (Sara, Zool. pt. 37). 
/. icoj) ; a australis I >ana. Obtained also at Stations 73, 92, 107, 146, 158, and 237, 
1000 to 1975 fathoms. Recorded from Antarctic. 
Jhreomysis microps , n.sp. One specimen ; obtained at no other locality. 
Pycxogonida (Hock, Zool. pt. 10). 
Cofossotdei# minuta , n.sp. One specimen ; obtained at no other locality. 
/ 
Cephalopoda (Iloyle, Zool. pt. 44). 
Taonius hyperboreus , Steenstrup. One specimen (probably from the surface) ; 
obtained at no other locality by the Challenger. Recorded 
from North Atlantic (“ Porcupine ”), and Arctic. 
In addition to the foregoing, the Station-book records : — Euryale and two young 
specimens of Chsrtoderma. 
Excluding Protozoa, nearly 100 specimens of invertebrates were obtained at this 
Station, belonging to about 23 species, of which 12 are new to science, including repre- 
sentatives of 3 new genera ; 7 of the new species were not obtained elsewhere. 
Willcmoes-Suhm writes : “ Among the Crustacea was a Palsemonid with very thin and 
elongated legs. Two young specimens of Chxtoderraa were apparently not different from 
the one we got in the West Indies.” 
Surface Orga ni s m s. — The following species are recorded from the surface at this 
Station : — 
Radiolaria (Haeckel, Zool. pt. 40). 
Amphicraspedum maclaganium, Haeckel. 
Schizopoim (Sars, Zool. pt. 37). 
Nrmatoscelis megalops, n.g., n.sp. 
V' illemoes Suhm writes : “ We made only 3 knots all night, aud the tow-net, hauled 
in twit <•, was quite filled with a rather large species of Hyperia .” 
Station 51 (Sounding 109), Halifax to Bermuda (see Chart 9 and Diagram 2). 
May 22, 1873 ; lat. 41° 19' N., loDg. 63° 12' W. 
Temp r ature of air at noon, 59 '8 ; mean for the day, 5G°'3. 
