DESCRIPTION OF SPECIES 105 



and for the same reasons relating to the structure of the gonad which is similar in both species (see 

 p. 102). 



Distribution. Antarctic (Graham Land; Kaiser Wilhelm II Land). 



Cnemidocarpa verrucosa (Lesson) (Text-fig. 38 ; PI. V, fig. 5) 

 Cynthia verrucosa Lesson, 1830, p. 151, pi. 53, fig. 2. 

 For synonymy see van Name 1945, p. 272. 



Occurrence. St. 39: S. Georgia, 179-235 m. St. 42: S. Georgia, 120-204 m. St. 45: S. Georgia, 

 238-270 m. St. 51 : Falkland Islands, 105-115 m. St. 53: Falkland Islands, 0-2 m. St. 55: Falkland 

 Islands, 10-16 m. St. 58: Falkland Islands, 1-2 m. St. 123: S. Georgia, 230-250 m. St. 140: 

 S. Georgia, 122-136 m. St. 143: S.Georgia, 273 m. St. 148: S. Georgia, 132-148 m. St. 159: 

 S. Georgia, 160 m. St. 160: S. Georgia, 177 m. St. 190: Palmer Archipelago, 93-126 m. and 315 m. 



Text-fig. 38. Cnemidocarpa verrucosa (Lesson) (St. 366): A, gut of specimen 0-4 cm. long; B, gut of specimen 4-0 cm. long. 



St. 366: S. Sandwich Islands, 332-155 m. St. 370: S. Sandwich Islands, 80-18 m. St. 371 : S. Sand- 

 wich Islands, 99-161 m. St. 474: S. Georgia, 199 m. St. 599: S. Shetlands, 203 m. St. 1159: 

 between Bouvet Island and Crozet Island, 230-0 m. St. 1952: S. Shetlands, 367-383 m. St. WS 25 : 

 S. Georgia, 18-27 m - St - WS 71 : Falkland Islands, 82-80 m. St. WS 81 : Falkland Islands, 81-82 m. 

 St. WS 85 : Falkland Islands, 79 m. St. WS 823 : Patagonian Shelf, 80-95 m. St. MS 68: S. Georgia, 

 220-247 m. St. MS 71 : S. Georgia, 110-60 m. British Graham Land Expedition, 1934-7: St. Stella 

 Creek, 10 m. 



External appearance (PI. V, fig. 5). The appearance of this species is well known and characteristic 

 (see van Name, 1945, p. 272). The largest specimen in the collection has a length of 16 cm. and a 

 breadth of 6-7 cm. 



Branchial sac. In large individuals the wall of the branchial sac is minutely plicate with the folds 

 running parallel to the longitudinal bars. 



Gut. Hartmeyer (191 1) found a small pyloric caecum in young specimens, although there is none 

 in large ones. This is confirmed by examination of the ' Discovery ' material ; specimens of greatest 



14 



