Victorian Chitons, 159 



DESCRIPTION OF PLATE VIII. 



Pig. la. Rhyssoplax jacksonensis, Ashby. Shell, x nearly 5. 

 „ lb. „ „ showing pointed girdle 



scales, x 28. 

 „ 2. Rhyssoplax tricostalis, Pilsbry, showing girdle scales, 



x28.- 

 „ 3a. Lepidopleurus iredalci, Ashby. Shell, x 10. 

 „ 3b. „ „ showing portion of valves 



and flat, irregular, girdle scales, x 28. 



