CONTENTS 



OF 



Y0LU3IE THE SECOND. 



PAGB 



Of the last four Classes of the Animal Kingdom, or on the vertebrate 



animals in general . . . . . . . . . . i — 9 



Class XIV. — Fishes (Pisces). . . . 10 — 55 



Systematic Arrangement of Fishes ........ 56—205 



Section I. Dennopterygii ......... 56 



Order I. Leptocardii .......... 56 — 58 



Fam. I. Amphioxini ....... ib. 



Order II. Cydostoml .......... 58 — 60 



Fam. rr. Myxinoidei ....... 58 — 59 



,, III. Petromyzonini 59 — '5o 



Section II. Chondropterygii . . . . . . . • 60 — 70 



Order III. Desmiobranchii ......... 60 — 69 



Fam. IV. Batides 61 — 65 



„ V. Selachii 65 — 69 



Order IV. Eleutkerohranchii ........ 69 — 70 



Fam. VI. Chimceroldei ....... 69 — 71 



Section III. Ganolepidoti ......... 7° 



Order V. CJumdrostei 7^ — 7^ 



Fam. vii. Sturiones 71 — 72 



Order VI. Ganolepidoti .......... 7^ — 77 



Fam. VIII. Sauroidei 72 — 75 



Section IV. Osteopterygii 75 



Order VII. Lophobranchii 75 — 77 



Fam. IX. Lophobranchii 7'^ — 77 



