60 U.S. NATIONAL MUSEUM BULLETIN 264 



Syntypes: 



USNM E7151 (2 dry), Albatross Sta. 5520, northern Mindanao, 8°41'- 

 15"N., 123Ol8'30"E., 102 fms., Aug. 10, 1909. 



USNM E9450 (1 dry), Albatross Sta. 5242, Pujada Bay, Philippines, 

 6051'53"N., 126°14'10"E., 191 fms.. May 14, 1908. 



USNM E10337 (4 dry), Albatross Sta. 5242, see above. 



Pleurechinus doderleinii Mortensen 



Memoires de I'Academie Royale des Sciences et des Lettres de 

 Denmark, ser. 7, t. 1, no. 1, p. 77, pl. 1, figs. 12-13; pL 2, figs. 1, 7, 8; 

 pi. 6, figs. 35, 43; pl. 7, figs. 10, 48, 1904. 



= Para^rema doderleini (Mortensen)- -see Mortensen' s Monograph of the 

 Echinoidea, vol. 3, no. 2, p. 273. 



Syntype: 



MCZ 1490 (1 dry). Gulf of Siam, 6 fms. 



Pleurechinus hawaiiensis A. Agassiz and H. L. Clark 



Bulletin of the Museum of Comparative Zoology at Harvard, vol. 50, 

 no. 8, p. 244, 1907. 



- Temnotrema hawaiiense (Agassiz and Clark)--see Mortensen's 

 Monograph of the Echinoidea, vol. 3, no. 2, p. 262. 



Syntypes: 



USNM 32858 (1 dry). Albatross Sta. 3978, near Bird Island, Hawaii, 

 32-46 fms., June 3, 1902. 



USNM 31188 (1 alcohol). Albatross Sta. 3871, Auau Channel, between 

 Maui and Lanai Islands, Hawaii, 13-43 fms., Apr. 12, 1902. 



USNM 31189 (1 alcohol), Albatross Sta. 3978, see above. 



USNM 32862 (1 dry), Albatross Sta. 3823, south coast of Molokai, 

 Hawaii, 78-222 fms., Apr. 1, 1902. 



USNM 32863 (3 dry). Albatross Sta. 3847, south coast of Molokai, 

 Hawaii, 23-24 fms., Apr. 8. 1902. 



USNM 32864 (1 dry). Albatross Sta. 3871, see above. 



USNM 32865 (1 dry). Albatross Stu. 3872, Auau Channel, Hawaii, 32-43 

 fms., Apr. 12, 1902. 



USNM 32866 (1 dry). Albatross Stsi. 3876, Auau Channel, Hawaii, 28-43 

 fms., Apr. 14, 1902. 



USNM 32867 (1 dry), Albatross Sta. 3962, Laysan Island, Hawaii, 16 

 fms.. May 22, 1902. 



USNM 32869 (1 dry). Albatross Sta. 4148, Bird Island, Hawaii, 26-33 

 fms., Aug. 5, 1902. 



