An introduction to the study of fishes / by Albert C.L.G. Gunther.

Date:
1880
Catalogue details

Licence: Public Domain Mark

Credit: An introduction to the study of fishes / by Albert C.L.G. Gunther. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

    13/746
    CHAPTER IX. PAGE Organs of Eespiration 135 Respiration, 135—Structure and arrangement of the gills, 136— Pseudobranchiae, 140—Accessory respiratory organs, 142— Air-bladder ; its varieties, structure, and functions, 142. CHAPTER X. Organs of Circulation 150 CHAPTEE XI. Urinary Organs 155 CHAPTEE XII. Organs of Reproduction 157 Fishes are dioecious, 157—Hermaphroditism, 157—Oviparous and viviparous fishes, 157—Generative organs of Branchiostoma, • 157—of Cyclostomes ; their ova, 158 — Female organs of Teleosteans and their ova, 158—Instances of females taking care of their progeny, 160—Male organs of Teleosteans, 162— Instances of males taking care of their progeny, 163—Genera- tive organs of Ganoids, 163—of Chondropterygians and their ova, 166. CHAPTEE XIII. Growth and Variation of Fishes . . . .170 Changes of form of the body or certain parts, normally accompany- ing growth, 170—Changes dependent on sexual development, l76_Secondary sexual differences, 176—Mixogamous, poly- gamous, and monogamous fishes, 177—Hybridism as a cause of variation, 178—Regular and irregular growth of fishes, 178 —Leptocephali not a normal state of development, 179— Changes of colour of the muscles and external parts ; chroma- topliors, 182—Albinism, 183.