EXPLANATION OF PLATES. 



Ill some instances the very fine, closely crowded striation has been omitted, while 

 in .ither cases where shown it has been exaggerated by the artist. Attention is 

 called to this under the explanation of the figures. The measurements cited after 

 the names refer to the axial length of the specimen. 



Plate XLIV. 



Fid. 1. Turhomlln {Strioturhonilla) vancoKvereiims Baird; 6.2 mm.; p. 495. The fine 

 spiral markings have been omitted in this figure. 



2. TnrhunUla{ChenniU:ia) muricatoide,^, ne\\- species-, type; 3mm.; p. 495. The 



fine spiral markings have been omitted in this tigure. 

 2a. Nucleus of same, lateral view, much enlarged. 



3. TurhoniUa{PyrgoIampros)valdezi, new species; type; 5.6 mm.; p. 502. The 



fine spiral markings have been omitted in this figure. 

 3a. Nucleus of same, seen from above, much enlarged. 



4. Turbonilla {Pyrgolampros) li/alli, new species; type; 5.7 mm.; p. 500. The 



fine spiral markings have been omitted in this figure. 

 4a. Nucleus of same, lateral view, much enlarged. 



5. Turbonilla {Turbonilla) giUi, new species; type; 3.6 mm.; p. 493. 



6. Turbonilla {P>jrgolampros)vicloriana, new species; type; 7 mm.; p. 501. The 



fine spiral markings have been omitted in this figure. 



7. Turbonilla {Turboriilla) gillidelinontensis, new subspecies; type; SAmm ; p. 494. 



8. Turbonilla {Strioturhonilla) semv, new species; type; 7.7 mm.; p. 497. The 



fine spiral markings have been omitted in this figure. 

 8a. Nucleus of same, lateral view, much enlarged. 



9. Turbonilla (Pijrgol(impros) taglori, new species;- type; 11.5mm.; p. 499. The 



fine spiral markings have been omitted in this figure. 

 9a. Nucleus of same, lateral view, much enlarged. 



10. Turbonilla {Pyrgolampros) berryi, new species; type; 8 mm.; p. 500. 

 10a. Nucleus of same, lateral view, much enlarged, 

 n. Turbonilla {Strioturbonilla) styliiui Carpenter; 6.5 mm.; p. 497. The fine 



spiral markings have been omitted in this figure. 

 11a. Nucleus (jf same, lateral view, much enlarged. 



Plate XLV. 



Fig. 1. Turbonilla {I''ijrgiscuK) nwrchi, new species; type, 6.4 mm.; p. 505. 

 la. Nucleus of same, lateral view, much enlarged. 



2. Turbonilla {Pyrgolampros) oregonensis, new species; type; 8.5 mm.; p. 503. 



The fine spiral markings have been omitted in this figure. 



3. Turbonilla {Pyrgiscus) tenuicula Gould; 6.1 mm.; p. 508. 

 3a. Nucleus of same, lateral view, much enlarged. 



4. Turbonilla {Pyrgiscus) antestriata, new species; type; 9.7 mm.; p. 506. 

 4a. Nucleus of same, lateral view, much enlarged. 



5. Turbonilla {Pyrgolampros) aurantia Carpenter; tyi)e; 6.2 mm.; p. 502. The 



spiral markings have been exaggerated in this figure. 



6. Turbonilla {Pyrgolampros) newcombei, new species; type; 5.4 mm.; p. 503. 



7. Turbonilla {Mormula) lordi Smith; 21 mm.; p. 510. 

 7a. Nucleus of same, lateral view, much enlarged. 



8. Turbonilla {Pyrgiscus) eacosmobasis, new species; type; 11.2 mm.; p. 507. 

 8a. Nucleus of same, lateral view, much enlarged. 



9. Turbonilla {Mormida) trideniata Carpenter; 12.8 mm.; p. 511. 



10. Turbonilla{3formtda) eschschoUzi, new species; type; 13.3 mm.; p. 513. 



533 



