IV CONTENTS. 



On the Natural and Economical History of the 

 Fishes of the River District of the Frith of 

 Forth. By Richard Parnell, M. D. 



Description of the Frith of Forth, . . . 161 



Osseous Fishes. 



Order I. Acanthopterygii, . . . 167 



II. Malacopterygii, . . • 266 



III. Osteodermi, .... 394 



IV. Gymnodontes, .... 401 



Cartilaginous Fishes. 



Order I. Eleutheropomi, .... 403 



II. Plagiostomi, .... 407 



III. Cyclostomi, .... 442 



APPENDIX. 



History of the Society {continued from Vol. VI.) . 46] 



