42 



ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOL. 27 



TABLE 14 

 Abundant Amphipoda in submarine canyons, 15-100 m. 



A = algal dweller; B = burro\ver; T = builder of tubes; S := Pmaldanid com- 

 mensal. 

 * = a major shelf species. 



TABLE 15 



Abundant Amphipoda in submarine canyons, 101-200 m. Species are 

 listed in rank, with their numbers of specimens in 23 samples. Species 

 also dominating slope depths of 92-183 m are marked with asterisks. 

 See Table 12. 



*Heterophoxus oculatus, 118; *Metaphoxus frequens, 114; *Para- 

 phoxus bicuspidatus, 107; *Ampelisca 7nacrocephala, 72; *Phoxoceph- 

 alus homilisj 67; * Orchomene decipiens, 34; *Photis lacia, 31 ; Maera 

 danae, 30; *Paraphoxus sirnilis, 30; *Westwoodilla c. acutifrons, 22; 

 *Nicippe tumida, 16; Pachynus barnardi, 12; Photis brevipes, 10; Lis- 

 triella eriopisa, 10 ; *Ampelisca pacifica, 10. 



