GAMMARIDEAN AMPHIPODA 121 



Oediceroides Stebbing, new synonymy 



Oediceroides Stebbing, 1888, p. 843; 1906, pp. 267-268. 

 Oediceropsoides Shoemaker, 1925, p. 27. 



There are no significant generic characters distinguishing Shoe- 

 maker's Oediceropsoides from Oediceroides Stebbing and the two are 

 synonymized. 



Oediceroides abyssorum (Shoemaker), new combination 



FiGUKE 52 d-f 

 Oediceropsoides adyssonim Shoemaker, 1925, pp. 27-31, figs. 4-6. 



Shoemaker's specimen lacked the last three pleonal segments and 

 their appendages. The specimen at hand has these segments less 

 uropod 3. Uropods 1 and 2 and the telson are illustrated here. The 

 rostrum is very slightly less obtuse than that described by Shoemaker. 



Material. — Station 7229, figured female, 17.5 mm and one other 

 specimen. 



Distribution. — Recorded by Shoemaker from east of Guadalupe 

 Island, off Baja California, 1606 m; recorded here from a depth of 

 1720 m. 



Oediceropsis Liljeborg 

 Oediceropsis (Paroediceroides") ?moTosa J. L. Barnard 



Oediceropsis (Paroediceroides) morosa J. L. Baroard, 1966a, p. 79, fig. 32. 



Maitjrial. — Station 7249 ( ? 1 anterior fragment) . 

 Distribution. — Southern California to ?middle Baja California, 

 813 to ?3705 m. 



Paramphithoidae 



Atnathillopsis Heller 



Amathillopsis pacifica margo, new subspecies 



Figures 57, 58 



Dl^gnosis. — Posterodistal lobe of article 2 on gnathopod 1 as 

 strongly produced as on gnathopod 2 ; tooth of third pleonal epimeron 

 smaller than in the nominate form ; second pleonal epimeron with a 

 distinct posterodistal tooth. 



HoLOTYPE. — Copenhagen Museum, female, 20 mm. Unique. 



