14 U.S. NATIONAL MUSEUM BULLETIN 293 



Paratypes: 



USNM E6916 (6 dry), Albatross, no station, Hawaiian Islands, 1902. 



USNM E6917 (10 dry). Albatross, see above. 



USNM E6918 (2 dry). Albatross Sta. 4066, Alenuihaha Channel, between 

 Hawaii and Maui, 322-90 meters, July 18, 1902. 



Amphioplus didymus H. L. Clark 



Memoirs of the Museum of Comparative Zoology at Harvard, vol. LV, 

 p. 252, fig. 17; pi. 14, fig. 3, 1938. 



Holotype: 



MCZ 4993 (1 dry), Broome, Western Australia, Aug. 29, 1929, C-A-H 

 Expedition. 



Paratype: 

 MCZ 4994 (1 dry), near Shell Id., Darwin, Northern Territory, Aus- 

 tralia, 2-3 fms., July 5, 1929, C-A-H Expedition. 



Amphioplus falcatus Mortensen 



Videnskabelige Meddelelser fra den naturhistorike Forening, bd. 93, 

 no. LXV, p. 365, figs. 70, 71; pi. 19, figs. 18, 19, 1933. 



Paratype: 



MCZ 5893 (1 dry ), off Durban, 225 fms, Aug. 26, 1929. 



Amphioplus hexacanthus H. L. Clark 



U.S. National Museum Bulletin 75, p. 170, 1911. 



Syntypes: 



USNM 25583 (4 dry), Albatross Sta. 3165, off Point Reyes, California, 

 50 fms., 1890. 



USNM 26845 (dry arms). Albatross Sta. 5094, off Joga Shima Lt., 

 Uraga Strait, Japan, 88 fms., 1906. 



MCZ 3169 (2 dry). Albatross Sta. 3165, off Central California, 50 fms. 



Amphioplus legatus Koehler 



U.S. National Bulletin 100, vol. 5, p. 169, pi. 67, figs. 1-3; pi. 96, fig. 

 9, 1922. 



Holotype: 



USNM 41179 (dry). Albatross Sta. 5119, Sombrero Id., Philippines, 

 394 fms., Jan. 21, 1908. 



Amphioplus lobatodes H. L. Clark 



Memoirs of the Museum of Comparative Zoology at Harvard, vol. 

 XXV. no. 4, p. 254, pi. 7, figs. 12, 13, 1915. 



Holotype: 



MCZ 1480 (1 dry), Japan, Owston, collector. 



