xii CONTENTS 
VII 
The Teleostomes (7.¢. Ganoids and Teleosts). Typical members; their 
structures and interrelationships; their probable descent . . . 
Vill 
The Groups of Fishes contrasted from the Standpoint of Embryology. 
Their eggs and breeding habits. Outlines of the development of 
Lamprey, Shark, apie: Ganoid, and Teleost. Their larval 
development . . aie ee. Re ee 
DERIVATION OF NAMES... .. .-. 2 ow een 
WIPLIOGRAPHY. Gc 4: wks Sa no oe 
EXPLANATORY TABLES: 
I, Classification of Fishes. . . . . ‘ 3 3 ee 
II. Distribution of Fishes in Geological Time ar 6 be Poe 
III. Phylogeny of Sharks, Chimeroids, Dipnoans ... -« 
IV. Phylogeny of Teleostomes .. . pos = fe 
V. Characters of Vertebre, Fins, Skull (Figs. 310-31 5) ae 
VI. Relations of Jaws and Branchial Arches (Figs. 310-315) . 
VIL. Heart (Pigs. 316-328) 5. 5 we Se) ey 
VIII. Gills, Spiracle, Gill rakers (Figs. 9-12, 326-331) . . . 
IX. Digestive Tract (Figs. 326-331) . . .. +. « s 
X. Swim-Bladder (Figs. 13-19). . . «. ». « « « 
XI. Genital System (Figs. 331-337). . - ». - » 2 « + 
XII. Plan of Circulation in Fishes (Fig. 338) 
XIII. Excretory System (Figs. 331-337) - . «+ + + «© + + 
XIV. Abdominal Pores (Figs. 331-337) - - + + «+= 
XV. Central Nervous System (Figs. 339-344). .- + + + 
XVI. Seuse.Orgams ope es, ew ee a te Se 
XVIT. Integument; Laterdl'line . 2 6 6.6 6 he Ss 
XVIII. Developmental Characters .. . 6. 
XIX. Comparison of Phylogenetic Tables of aiahits eri 
139 
179 
227 
