Report on the Keratosa : collected by H. M. S. Challenger during the years 1873-1876 /
Polejaeff, N.
Report on the Keratosa : collected by H. M. S. Challenger during the years 1873-1876 / N. Polejaeff. - London : Her Majesty's Stationery Office, 1884. - 88 p. : ill. ; 31 cm. - Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-1876 ; Zoology ; 11.31 .
Report on the Keratosa : collected by H. M. S. Challenger during the years 1873-1876 / N. Polejaeff. - London : Her Majesty's Stationery Office, 1884. - 88 p. : ill. ; 31 cm. - Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-1876 ; Zoology ; 11.31 .