16 U.S. NATIONAL MUSEUM BULLETIN 293 



MCZ 5674 (1 dry), Velero Sta. 826, San Juan Bay, Peru, 20-30 fms., 

 Feb. 7, 1938. 



MCZ 5731 (5 dry), Velero Sta. 823, San Juan Bay, Peru, 30-40 fms., 

 Feb. 7, 1938. 



USNM E8006 (1 dry), Velero Sta. 823-38, see above. 



Amphioplus rhadinobrachius H. L. Clark 



U.S. National Museum Bulletin 75, p. 167, fig. 74, 1911. 



Holotype: 



USNM 25587 (dry). Albatross Sta. 5053, off OmaiSaki Lt., Suruga Gulf, 

 Japan, 503 fms., 1906. 



Paratjrpes: 



USNM 26706 (2 dry). Albatross Sta. 5054, off Omai Saki Lt., Suruga 

 Gulf, Japan, 282 fms., 1906. 



MCZ 3171 (1 dry), Albatross Sta. 5088, Sagami Bay, Japan, 369-405 

 fms. 



Amphioplus seminudus Mortensen 



Danish Science Investigation of Iran, pt. 2, p. 91, fig. 17; pi. 1, fig. 9, 

 1940. 



Syntype: 

 MCZ 6108 (1 dry), Persian Gulf, Sta. 30, 1937. 



Amphioplus stenaspis H. L. Clark 



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

 p. 254, figs. 18, 19, 1938. 



Holotype: 



MCZ 4990 (1 dry). Night Cliff near Darwin, Northern Territory, Aus- 

 tralia, June 28, 1929, C-A-H Expedition. 



Paratypes: 



MCZ 4991 (2 dry), Darwin Harbor, N.T., Australia, 1 fm. 



MCZ 4992 (3 alcohol), same as 4991. 



Amphioplus thrombodes H. L. Clark 



Bulletin of the Museum of Comparative Zoology at Harvard, vol. 62, 

 p. 292, pi. 7, figs. 1, 2, 1918. 



Holotype: 



MCZ 4218 ( 1 dry), Key West, Florida, June 1917, Carnegie Expedi- 

 tion. 



Paratypes: 



MCZ 4219 (1 dry), same as 4218. 



MCZ 4284 (4 alcohol), same as 4218. 



