AMMOTHEIDAE 



lit; 



in Loman's figure (1923, p. 28, fig. E, i). The fourth palpal segment is not curved and 

 is subequal to the second. The second may be a little shorter than the first tibia. The 

 male oviger is represented in Fig. 65 b; the specimens are apparently not quite adult, 



Fig. 65. Tanystylum pfefferi, Bouvier: a. Male oviger — specimen not quite adult: x 100. 

 T. styligerum, Miers: b. Male oviger — St. 53: x 60 and 100. 



as the genital pores are not yet present. The walking leg is considerably more slender 

 than in the female. 



Distribution. Kerguelen, the Falkland Islands and Beagle Channel near Tierra 

 del Fuego. 



Tanystylum pfefferi, Bouvier (Figs. 65 a, 66, 67 and 68). 



Clotenia dohrnii, Pfeffer, 1889, p. 48. 



Tanystylum pfefferi , Bouvier, 1913, pp. 5, 45 and 122. 



Tanystylum pfefferi, Gordon, 1932, p. 90. 



(rt) Typical forms from : 



St. WS 25. 17. xii. 26. Undine Harbour (North), South Georgia, 18-27 m.; M. S. Small beam 

 trawl: i larvigerous c^. 



St. 456. 18. X. 30. I mile E of Bouvet Island, 40-45 m. Large dredge: 1 ?, i larvigerous (^, with 

 Nymphon australe. 



(b) Smaller forms from : 



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, 105-115 m.; f. S. Large otter trawl: i 6', i ?• 



St. 53. 12. V. 26. Port Stanley, East Falkland Island, hulk of 'Great Britain', 0-2 m. Mussel rake: 

 many specimens, <?<?, ?? and young, "sorted from washings from Hydroids and Mytilus clumps"; 

 one $ "from washings from Kelp root". 



St. WS 124. 9. vi. 27. Gough Island, Penguin Island anchorage, 40° 16' S, 9° 58' W, 40-60 m. 

 Large dredge : i ?, i ovigerous S- 



St. 4. 30.1.25. Tristan da Cunha, 36° 55' S, 12° 12' W, 40-46 m.; St. Large dredge : i specimen 

 from debris of stones with encrustations. 



