Contributions to the Anatomy of Fishes. II. The Air-bladder and Weberian Ossicles in the Siluroid Fishes.
(London, Harrison and Sons, 1894). 4to. No wrappers as extracted from "Philosophical Transactions", 1893, Vol. 184 B. Pp. 65-333 and 9 fine photolithographed plates with many figs.