IO DISCOVERY REPORTS 



Station 159. 21. i. 27. 53 52' 30" S., 36 08' W. Large dredge, rock, 160 m. 



Cnemidocarpa pfefferi (Michaelsen). 1 specimen. Molgula malvinensis Arnback. 3 specimens. 



C. verrucosa (Lesson). 4 specimens. M. setigera Arnback f. georgiana n. 4 specimens. 



Pyura discoveryi (Herdman). 10 specimens. Ascopera gigantea Herdman. 1 specimen. 



Station 160. 7. ii. 27. Near Shag Rocks, 53 43' 40" S., 40 57' W. Large dredge, stones and rock, 

 177 m. 



Aplidium variabile (Herdman). 21 specimens. Cnemidocarpa verrucosa (Lesson). 1 specimen. 



Tylobranchion speciosum Herdman. 2 specimens. Pyura discoveryi (Herdman). 2 specimens. 



Ascidia challengeri Herdman. 2 specimens. Molgula pedunculata Herdman. 1 specimen. 



Station 164. 18. ii. 27. East end of Normanna Strait, South Orkneys, near C. Hansen, Corona- 

 tion Island. Small beam trawl, 24-36 m. 



Aplidium radiatum (Sluiter). 1 specimen. Distaplia colligans Sluiter. 1 specimen. 



A. falklandicum sp.n. 7 specimens. Ascidia challengeri Herdman. 2 specimens. 



Station 170. 23. ii. 27. Off Cape Bowles, Clarence Island, 6i° 25' 30" S., 53 46' W. Large 

 dredge, rock, 342 m. 



Aplidium circumvolutum (Sluiter). 4 specimens. P. bouvetensis (Michaelsen). 8 specimens. 



Pyura discoveryi (Herdman). 1 specimen. 



Station 175. 2. iii. 27. Bransfield Strait, South Shetlands, 63 17' 20" S., 59 48' 15" W. Large 

 dredge, mud, stones and gravel, 200 m. 



Aplidium circumvolutum (Sluiter). 1 specimen. Pyura setosa (Sluiter). 1 specimen. 



Synoicum adareanum (Herdman). 2 specimens. Molgula bacca Herdman. 1 specimen. 



Station 177. 5. iii. 27. 27 miles south-west of Deception I., South Shetlands. 63 17' 30" S., 

 6i° 17' W. Large dredge, mud, coarse sand and stones, 1080 m. 

 Pyura discoveryi (Herdman). 1 specimen. 



Station 181. 12. iii. 27. Schollaert Channel, Palmer Archipelago, 64 20' S., 63°oi'W. Large 

 otter trawl, mud, 160-335 m - 



Aplidium radiatum (Sluiter). 6 specimens. Pyura bouvetensis (Michaelsen). 2 specimens. 



Cystodytes dellechiajei f. antarctica (Sluiter). 1 specimen. Bathypera splendens Michaelsen. 1 specimen. 

 Caenagnesia bocki Arnback. 1 specimen. 



Station 182. 14. iii. 27. Schollaert Channel, Palmer Archipelago, 64°2i'S., 62 58' W. Large 

 otter trawl, mud, 278-500 m. 

 Didemtium biglans (Sluiter). 1 specimen. Caenagnesia bocki Arnback. 4 specimens. 



Station 186. 16. iii. 27. Fournier Bay, Anvers Island, Palmer Archipelago, 64 25' 30" S., 

 63 02' W. Large dredge, mud, 295 m. 

 Aplidium radiatum (Sluiter). 1 specimen. 



Station 187. 18. iii. 27. Neumayr Channel, Palmer Archipelago, 64 48' 30" S., 63 31' 30" W. 

 Large otter trawl, mud, 259-354 m - 



Didemnum biglans (Sluiter). 1 specimen. P. squamata Hartmeyer. 1 specimen. 



Cnemidocarpa drygalskii (Hartmeyer). 3 specimens. P. bouvetensis (Michaelsen). 49 specimens. 



Pyura discoveryi (Herdman). 1 specimen. 



Station 189. 23. iii. 27. Port Lockroy, Wienke Island, Palmer Archipelago. Hand net, o m. 

 Distaplia cylindrica (Lesson). 1 specimen. 



