DESCRIPTION OF SPECIES 101 



Text-figs. 35 A-C and D-F which show the close union of testis and ovary in C. pfefferi and their 

 separation in S. paessleri. 



Distribution. Antarctic (South Georgia, South Shetland Islands). 



Text-fig. 35. Cnemidocarpa pfefferi (Michaelsen) (St. 123): A, gonad; B, lobe of gonad enlarged; C, transverse section of 

 lobe of gonad. Styela paessleri Michaelsen (St. 53): D, gonad; E, part of gonad enlarged; F, transverse section of part of 

 gonad. 



Cnemidocarpa nordenskjoldi (Michaelsen) (Text-figs. 36 A, C, D) 

 Styela nordenskjoldi Michaelsen, 1898, p. 365. 



Occurrence. St. 53 : Falkland Islands, 0-2 m. St. WS 71 : Falkland Islands, 82-80 m. St. WS94: 

 Patagonian Shelf, 1 10-126 m. St. WS221: Patagonian Shelf, 76-91 m. St. WS243: Patagonian 

 Shelf, 144-141 m. St. WS247: Falkland Islands, 172 m. St. WS582: Magellan Strait, 12 m. 

 St. WS583: Magellan Strait, 14-78 m. St. WS784: Patagonian Shelf, 170-164 m. St. WS805: 

 Patagonian Shelf, 148-150 m. St. WS 847: Patagonian Shelf, 51-57 m. 



External appearance. The many specimens range from very young ones, little over 1 mm. in 

 length, to a large one 5 cm. long and 2-6 cm. high. They are variable in shape, either ovoid, almost 

 globular or low with an expanded base. The siphons are not very far apart and may be quite prominent 

 or rather small. Small mammillations break up the surface of the test, giving it a slightly rough 



