DALL, TERTIARY MOLLUSKS OF FLORIDA, PART II. 



PLATE XIX. 



Fig. I. Discohelix red/era Dall, summit; diara. 4.5 mm. ; p. 332. 

 Fig. I b. Tlie same sliell, in profile ; p. 332. 

 Fig. I c. The same shell, view of the base ; p. 332. 

 Fig. 2. Liotia perarniala Dall, not quite adult ; diam. 5.0 mm,; p. 409. 

 Fig. 2 b. The same shell, from below ; diam. 5.0 mm. ; p. 409. 

 Fig. 3. Collonia e/ega?iiu/a Dall; 4.25 mm. ; p. 3S6. 

 Fig. 4. The same, from below ; 4.5 mm. ; p. 386. 



Fig. 5 Teinostoma opsitelotusXiaW, immature specimen, from above ; 3.3 mm. ; p. 414. 

 Fig. 5 b. The same, from below ; in the adult the umbilicus is covered with callus ; 

 p. 414. 



Fig. 6. Collonia radiata Dall, base ; 2 mm. ; p. 387. 



Fig. 7. The same, from in front ; 2.0 mm. ; the outer lip is broken ; p. 3S7. 



Fig. 8. The same, view of upper surface ; 2.0 mm. ; p. 387. 



Fig. 9. Fissuridea mictcla Dall, in profile ; 4.75 mm. ; p. 426. 



Fig. 10. Adeorbis sirigillaitis Dall, basal view ; 2.0 mm. ; p. 345. 



Fig. 10 b. The same, in profile; 2.0 mm. ; p. 345. 



Fig. II. Neritina edentula Dall ; 6.0 mm. ; p. 422. 



Fig, 12. Fissuridea nuciila Dall, from above ; 4.75 mm. ; p. 426. 



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