Plate 22 



Fit'. 1. Chiton (Leptochiton) comptus Gould. Ousima [Amami-Q-shima], Bonin, and Loo 



Choo [Okinawa] [all Ryukyu Islands]. Holotype USNM 1562. Length 15, width 10 



mm. (2 x). 

 Fig. 2. Chiton [Lepidopleura] lepidus Gould. China Seas: lat. 24° N. Lectotype USNM 



1865. Length 11, width 6 mm. (5.5 x). 

 Fig. 5. Chiton [Leptochiton] jacobaeus Gould. S[h]imoda [Japan]. Holotype USNM 



207K. Length 12, width 5 mm. (5.5 x). 

 Fig. 4. Dentalium hexagonum Gould. Hong Kong [China]. Holotype USNM 2053. 



Length 45, width 4 mm. (3.2 x). 

 Fig. 5. Dentalium porcatum Gould. Hong Kong [China]. Holotype MCZ 169304. 



Length 20, width 2.5 mm. (9 x). 



