von Otto Maas
printed for the Museum
1897
Memoirs of the Museum of Comparative Zoölogy at Harvard College
v. 23, no. 1 . Reports on an exploration off the west coasts of Mexico, Central and South America, and off the Galapagos Islands, in charge of Alexander Agassiz, by the U.S. Fish Commision steamer "Albatross", during 1891, lieut. commander Z.L. Tanner, U.S.N., commanding ; 21
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