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C&t 



CONTENTS. 



Page 

 Preface .... v 



PART I. 

 TAXONOMICAL. 



CHAPTER 1. Classification of the Flat-fishes 3 



CHAPTER 2. History of the Genus Solea 11 



CHAPTER 3, Solea vulgaris, Quensel 15 



CHAPTER 4. Solea lascaris, Bonaparte 20 



CHAPTER 5. Solea variegata, Fleming (Donovan) 25 



CHAPTER 6. Solea lutea, Bonaparte 29 



CHAPTER 7. Solea G-rcenii, Giinther . 32 



PART II. 

 MORPHOLOGICAL. 



CHAPTER 1. The Osseous Skeleton 35 



The Skull 35 



The Vertebral Column 38 



The Jaws and Branchial Arches 41 



CHAPTER 2. The Fibrous Membranes and Musculature 45 



The Fibrous Membranes 45 



The Musculature 46 



CHAPTER 3. The Viscera, and Vascular System 54 



The Viscera, female 54 



Ditto, male 56 



Minute Structure of the Reproductive Organs, and Development of the 



Reproductive Elements 9 



The Vascular System 64 



A 2 



