LIST OF ILLUSTRATIONS 



HALF-VOL. II 



COLOURED PLATES 



PAGE 



Butterflies {Rhopalocera). 



From a Drawing by A. Fairfax Muckley Frontispiece. 



Wrasses {Labridce). 



From a Drawing by A. Fairfax Muckley 276 



Echinoderms {Echinodermatd). 



From a Drawing by A. Fairfax Muckley 454 



BLACK-AND-WHITE ILLUSTRATIONS 



Skeleton of Dog-Fish (Scyllium canicula) - 

 Side-dissection of Dog-Fish [Scyllium) 

 Dipnoi (after GUnther and Miall) 

 Ganoids (after Agassiz, Giinther, Goode, 



and Dean) 

 Side-dissection of Perch [Perca fiuviatilis) 

 Sea-Horse [Hippoca-mpus) 

 Group of Fishes 



Group of Fresh-water Fishes - 

 Dog-Fish and Sharks (after Couch) 

 Monk-Fish and Rays (mostly after Couch) 

 Chimseroids (after Garman, Goode, and 



Bean) 

 Lampern [Petromyzon Jluviatilis) 

 Lancelet (Amphioxus) (after Boveri) - 

 Two simple Ascidians 

 Structure of a simple Ascidian - 

 Appendicularia (modified after Herdman) - 

 Botryllus - 



Acorn-headed Worm (Balanoglossus) 

 Diagrams of Vertebrate and Invertebrate - 

 Structure of a Nemertine (diagrammatic) 

 Structure of Haliotis (partly after Haller) - 

 The Cuttle- Fish {Sepia officinalis) 

 Spirula 



Pearly Nautilus (Nautilus pompilius) 

 Diagram of a Comb-gilled Snail (after Lang) 

 Whelk (Buccimim) 



