TABLE OF CONTENTS. 



Introduction. 



Bathymetrical distribution of Chitons 

 Characters for systematic determination 

 Table of the Genera of recent Chitons 



Descriptions of Genera and Species. 

 CHITONES EEGTJ LAKES 



Leptoidea 



Leptochiton benthus 

 „ belknapi 



„ herguelensis 



„ alveolus 



Hemiarthrum setulosum 



ISCHNOIDEA . 



Callochiton platessa 



Ischnochiton boogii 

 „ viridulus 



„ longicymba 



„ fruticosus 



Lepidopleurus dorsuosus 

 „ dallii 



Lepidoradsia australis 



Callistochiton antiquus 



LOPHTROIDEA . 



Chiton squamosus 

 „ murrayi 

 „ nigrovirescens 

 „ ■pellis-seriKntis 

 ,, jugosus 



ACANTHOIDEA 



Acanthopleura spiniger 

 „ incana 



,, granulata 



sp. 



Francisia spinosa 



(ZOOL. CHALL. EXP. PART XLIII, 188G.) 



PAGE 

 1 



3 

 6 



9 



9 

 10 

 10 

 12 

 12 

 13 



15 

 15 

 15 

 16 

 17 

 17 

 18 

 19 

 19 

 20 



20 

 20 

 21 

 22 

 22 

 22 

 23 

 23 

 25 

 26 

 26 

 30 



UuC 



