（Memoirs of the Museum of Comparative Zoölogy at Harvard College, vol. 17, no. 3 . Reports on an exploration off the west coasts of Mexico, Central and South America, and off the Galapagos Islands, in charge of Alesander Agassiz, by the U.S. Fish Commission steamer "Albatross", during 1891, lieut. commander Z.L. Tanner, U.S.N., commanding ; 12）