210 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station 44. 
Aim uu nto* 
Durci 
Penn An lida (Kdlliker. Zool. pt. 2). 
Pr^t' jn ' : uv\ aberrans, n.sp. One specimen ; obtained also at Stations 45 and 46, 
1240 and 1350 fathoms. 
Vsteroidka (Sladen, Zool. pt. 51). 
Pamrchaster semisquamatus , n.g., n.sp., var. occidentalis , nov. One specimen 
(either from this Station or Station 45). The species 
was obtained at Stations 235 and 237, 565 and 1875 
fathoms. Recorded subsequently from Indian Ocean 
(“ Investigator ”). 
Pontastcr Jbrcipatus, n.g., n.sp. A few specimens; obtained also at Stations 45, 
46, 50, and 146 (var. cchinatd), 1240 to 1375 fathoms. 
Dytaster exit is, n.g., n.sp., var. carinata, nov. The species was obtained at Station 
300, 1375 fathoms; and var. gracilis at Station 133, 
1900 fathoms. Recorded subsequently from Indian 
Ocean (“ Investigator”). 
,, madreponfer, n.g., n.sp. Obtained also at Station 45, 1240 fathoms. 
Plutonaster rigidus , n.g., n.sp. One specimen (either from this Station or Station 
45) ; var. semiarmata was obtained at Station 46 or 47. 
Phoxaster pumilus, n.g., n.sp. One specimen (either from this Station or Station 
45) ; obtained also at Station 46, 1350 fathoms. Only 
species of the genus. 
Gephyrka (Selcnka, Zool. pt. 36). 
Phascolosoma flag r if cram, n.sp. One specimen ; obtained also at Station 241, 
2300 fathoms. 
Annelida (MTntosh, Zool. pt. 34). 
Welt nit > /mw utlantica, n.g., n.sp. One fragmentary specimen ; obtained at no other 
locality. Only species of the genus. 
Polyzoa (Busk, Zool. pt. 30). 
( • /id' ' s m.plrjr, n.sp. (?). One or two small fragments ; obtained at no other locality 
by the Challenger. Recorded from Gulf of Mexico. 
Tun ic AT a (Hcrdman, Zool. pt. 17). 
' ■ “l ' j 'lotus (Willemoes-Suhm), n.g., n.sp. One specimen; obtained at no 
other locality. 
I !l n« i litiou to the foregoing, the following are recorded in the Station-book: — two 
