PLATE XVI . 



Amauropsis Suciensis (page 12o.) 



Figure 1. Ventral view of a specimei;, to siiow tlie shape of the aperture and 

 umbilicus. 



Gyrodes excavata, Michelin, Sp. (page 124.) 



Figure 2. Dorsal view of a small variety of this species, from the Sucia Islands 

 " 2 a. Ventral aspect of ditto. 



ClUSOTUEMA TENUISOULPTU.M (page 127.) 



Figure 3. Dorsal view of the type of the species, slightly enlarged. 



" 3 a. Ventral aspect of the same. 



" 3 h. Actual length. 



" ;5 c. Sculpture of body whorl, magnifiL'd. 



Stomatia 8'jciensis (page 128.) 



Figure 4. Dor.sal view of a large bat imperfect specimen, with tlie defective part 

 restored in outline. 



8tOxMAT[A Sl'ciensiS; var. carimfeua (page 128.) 



Figure 5. Dorsal view of a specimen with four concentric ridges on the body 

 whorl. 



AcMEA, iSj). uudt. (page loO.) 



Fi.gure G. Cast of the interior, magnified, showing tlie muscular impressions. 

 " G a. Actual length. 



CiNUEioPSis TVPicA (page 131.) 



Figure 7. Ventral view cf the tyjjc specimen, showing the mouth. 

 " 7 a. Dor.sal aspect of the same. 

 " 7 b. Sculpture of body whorl, magnified. 



II.VMINEA IIoRXii, Gabb, 8]). (page 132,") 



Figure 8. Dorsal view of a small but very perfect individual, magnified. 

 " r! a. Actual lengtli. 

 '' 8 h. Portion of the surface markings, highly magnified. 



Dkntalium Nanaimde-nse, Meek (page 133.) 



Figure 9. A large but imperfect individual, partly restored in outline 

 " 9 a. Sculpture of ditto, magnified. 

 " 9 b. A smaller but more perfect specimen. 



Entalts CoopEur, Gabb, 8p. (page 134.) 



Figure 10. A large and nearly perfect example. 

 " 10 ff. Sculpture of the same, magnified. 



