Amphipoda Hyperiidea collected by the ' Discovery. ,' 265 



(14) SennA, A. 1902. " Le Esplorazioni Abissali nel Mediterraneo 

 del ft. Piroscafo Washington nel 1831. — I. Nota sugli Oxi- 

 eefalidi." lioll. Soc. Entom. Ital., Anno \x.\iv. 



(13) Stebbing, T. R. R. 1888. 'Challenger' Amphipoda Reports, 



Zool. vol, xxix. 



(14) . 1904. " Biscayan Plankton. — Part II. Amphipoda and 



Cladocera." Trans. Linn. Soc. London, ser. ii., vol. x., part 2. 



(15) Tatteusall, W. M. 1900. "Pelagic Amphipoda of the Irish 



Atlantic Slope." Fisheries, Ireland, Sci. Invest., 1905, iv. 



(16) Vosseler, J. 1901. ' Die Amphipoden der Plankton Expedition.' 



(17) AValkeh, A. O. 1903. "Report on the Amphipoda of the 



1 Oceana.'" Ann. & Mag. Nat. Hist., ser. 7, vol. xii. 



(18) . 1907. " Crustacea (Amphipoda) of the ' Discovery ' Ant- 

 arctic Expedition." 



(19) . 1909. "Amphipoda Hyperiidea of the 'Sealark' Expe- 

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 vol. xiii., part 1. 



EXPLANATION OF THE PLATES. 



Plate IV. 



Vibilia serrata, sp. n., male, lateral view. X 20. 



Plate V. 



Vibilia serrata, sp. n. 



Fig. 1. Male, first antenna, x 64. 

 Fig. 2. „ second antenna. X 64. 

 Fig. 3. „ first gnathopod. X 64. 

 Fig. 4. ,, second gnathopod. X 64. 

 Fig. 5. ,, seventh leg. X 64. 

 Fig. 6. ,, telson and uropods. X 60. 



Plate VI. 

 Vibilia hodgsoni, sp. n. 



Fig. 1. Head and first segments of male, lateral view, x 64. 



lig. 2. Male, first gnathopod. x 64. 



Fig. 3. „ second gnathopod. x 64. 



Fig. 4. „ seventh leg. x 64. 



Fig. 5. „ terminal joints of the seventh leg. X 300. 



Fig. 0. „ urosome, telson, and uropods. x 64. 



Plate VII. 



llemiscelus diplochelatus. gen. et sp. n. 



Fig. 1. Femole, first gnathopod. x 64. 



Fig. 2. „ second gnathopod. X 64. 



Fig. 3. „ third leg. X 64. 



Fig. 4. „ fourth leg. x 64. 



Fig. 5. „ fifth leg. x 64. 



Fig. 6. ,, sixth leg. X 64. 



Fig. 7. ,, seventh leg. X 64. 



Fig. 8. ,, terminal joints of the seventh leg. X 300. 



Fig. 9. ,, telson and uropods. x 64. 



