THE VOYAGE OF H.M.S. CHALLENGER. 



Station 163, April 4, 1874; lat. 3G° 5G' S., long. 150° 30' E.; depth, 2200 

 fathoms ; bottom temperature, 0°'7 C; bottom, reel clay. Trawled in 120 

 fathoms, 1 off Twofold Bay. 

 Polyca/rpa radicata. 

 Ascidia cylindracea. 



Port Jackson, Australia ; 17th April to 23rd May 1874 ; 2 to 20 fathoms. 

 Molgula forbesi. 

 Cynthia cerebriformis. 

 irregularis, 

 complanata. 

 Styela gyrosa. 

 exigua. 

 Polycarpa tinctor. 

 vivid is. 



longisiphonica. 

 radicata. 

 Ascidia pyriformis. 



Canterbury, New Zealand. 



Boltenia pachydermatina. 



Between New Zealand and the Fiji Islands the following Tunicata were collected : — 



Station 170, July 14, 1S74 ; lat. 29° 55' S., long. 178° 14' W.; depth, 520 

 fathoms ; bottom temperature, 6°"0 C; bottom, rock. 

 Culeolus wyvillc-thomson i. 



Kandavu, the Fiji Islands ; July 27, 1S74. 

 Cynthia pallida. 



Between the Fiji Islands and Hong Kong, China, the following Tunicata were 

 dredo-ed : — 



Station 18G, September 8, 1874; lat. 10° 30' S., long. 142° 18' E.; depth, 8 

 fathoms ; bottom, coral sand. 

 Cynthia arenosa. 

 formosa. 2 



Station 188, September 10, 1874; lat, 9° 59' S., long. 139° 42' E.; depth, 28 

 fathoms ; bottom, mud. 

 Microcosm us helleri. 



1 The two Asuidians tiro almost certainly from this depth. 

 - This species is labelled "Torres Straits, 3 to 11 fathoms." 



