Excerpt from The Teratology of Fishes

The greater part Of my trout material was Obtained some years ago from a Hatchery at Lochwinnoch, through the good offices Of Mr. John Peden who was then in charge. Specimens were also received from the Loch Lomond Hatchery and from various private sources. In addition I had the privilege of examining at leisure the Salmonid material in the collection Of the Royal College Of Surgeons of England.

I desire to acknowledge indebtedness to the kindness and skill Of my friend, the late Thomas Reid, M.D LL.D., for greatly-valued assistance in the preparation of a number Of the photographs. My best thanks are also due to Mr. J. G. Connell, for help in compiling the Indexes, of which there are three, namely, one of Structures and Subjects, one of Fishes, and one of Authors. The first includes full references to the various Plates and Figures in which individual structures receive illustration. It is through the courtesy Of the Council of the Zoological Society of London that illustrations from papers Of mine which appeared in their Proceedings, 1903, Vol. II., and 1906, Vol. I., have been reproduced in Plates XVII-XX. And XXV., and this courtesy is herewith gratefully acknowledged.

Whilst, as stated above, the main content of the work is structural, occasion has also been taken to deal briefly with other aspects Of major monstrosity in fishes, and to point out relationships with higher vertebrates.

In addition, the minor abnormalities form a large and varied group, many sections of which might well receive separate and lengthy discussion. My aim has been to describe these as briefly as is consistent with moderate adequacy of treatment, and to make it easy for future workers to get into touch with the chief present sources of information in each subject. It is hoped that this latter Object has been attained through the literature-references and the Bibliography.

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