22o DISCOVERY REPORTS 



N ioo i m. tow-net. Mouth circular, i m. in diameter (3-3 ft.) : mesh graded. Cod-end of stramin 



with 11-12 meshes to the linear inch. 

 N 200 2 m. tow-net. Mouth circular, 2 m. in diameter (6-6 ft.): mesh graded, at cod-end 4 mm. 



(0-16 in.). 

 N450 4I m. tow-net. Mouth circular, 4! m. in diameter (14-8 ft.): mesh graded, at cod-end 



7 mm. (0-28 in.). 

 NCS-T Tow-net of coarse silk, with 16 meshes to the linear inch, attached to trawl. 

 NH Hand net. 



NRL Large rectangular net. Frame 8 ft. long and z\ ft. wide (2-45 m. x 07 m.) with bag of 



J in. mesh (12-5 mm.). 

 OTC Commercial otter trawl. Head rope 80 ft. long (24-5 m.): mesh at cod-end i| in. (3-8 cm.). 

 OTL Large otter trawl. Head rope 40 ft. long (12-2 m.): mesh at cod-end ij in. (3-2 cm.). 

 OTM Medium otter trawl. Head rope 30 ft. long (9-14 m.) : mesh at cod-end i\ in. (3-2 cm.). 

 RM Mussel rake 



Sh. coll. Shore collection. 

 TYF Young-fish trawl. Mouth about 20 ft. in circumference (6 m.) : bag of stramin with 11-12 



meshes to the linear inch. 

 V Vertical. 



R.R.S. 'DISCOVERY' AND R.R.S. 'DISCOVERY IT 



2. xi. 25. 6° 55' N, 15 54' W. N 200, 0-800 m. 

 Pelagonemertes rollestoni, Moseley. Nectonemertes kempt, n.sp. 



Crassonemertes robusta, Brinkmann. 



St. 4. 30. i. 26. Tristan da Cunha, 36 55' S, 12 12' W. DL, 40-46 m. 

 Cerebratulus fuscus, Mcintosh. 



St. 27. 15. iii. 26. West Cumberland Bay, South Georgia, 3-3 miles S 44 E of Jason Light. 

 DL, no m. 

 Amphiporus lecointei, Burger. 



St. 39. 25. iii. 26. East Cumberland Bay, South Georgia, from 8 cables S 81 ° W of Merton Rock 

 to 1-3 miles N 7 E of Macmahon Rock. OTL, 179-235 m. 

 Amphiporus spiuosus, Burger. Linens corrugatus, Mcintosh. 



N4-T, 179-235 m. 

 Tetrastemma esbenseni, n.sp. 



St. 42. 1. iv. 26. Off mouth of Cumberland Bay, South Georgia, from 6-3 miles N 89 E of Jason 

 Light to 4 miles N 39 E of Jason Light. OTL, 120-204 m. 

 Tetrastemma longistriatum, n.sp. 



St. 45. 6. iv. 26. 27 miles S 85 E of Jason Light, South Georgia. OTL, 238-270 m. 

 Amphiporus spinosus, Burger. Lineus corrugatus, Mcintosh. 



St. 51. 4. v. 26. Off Eddystone Rock, East Falkland Island, from 7 miles N 50 E to 7-6 miles 

 N 63 E of Eddystone Rock. OTL, 105-115 m. 

 Tetrastemma georgiamim, Burger. Lineus corrugatus, Mcintosh. 



St. 53. 12. v. 26. Port Stanley, East Falkland Island, Hulk of ' Great Britain '. RM, 0-2 m. 

 Tetrastemma hand, Burger. Lineus corrugatus, Mcintosh. 



