WEST AMERICAN PYRAMIDELLID MOLLUSKS. 239 



Page. 

 Fig. 11. Turbonilla (Pyrgiscus) vexativa, new species, type 6.2 mm 77 



12. Turbonilla (Pyrgisctis) recta, new species, type 3.6 mm 85 



12a. Nucleus of same, lateral view much enlarged. 



13. Turbonilla (Pyrgiscus) nuttingi, new species, type 12.3 mm 79 



13a. Nucleus of same, lateral view much enlarged. 



Plate 8. 



1. Turbonilla (Pyrgiscus) nereia, new species, type 5.8 mm 86 



la. Nucleus of same, lateral view much enlarged. 



2. Turbonilla (Pyrgiscus) nuttalU, new S2)ecies, type 9.9 mm 90 



3. Turbonilla (Pyrgiscus) tenuicula Gould, var 92 



4. Turbonilla (Pyrgiscus) virgo Carpenter, type 4.3 mm 93 



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



5. Turbonilla (Pyrgiscus) antestriata Dall and Bartsch, cotype 9.7 mm ... 87 

 5a. Nucleus of same, lateral view much enlarged. 



6. Turbonilla (Pyrgiscus) angusta Carpenter, type 2.3 mm 91 



7. Turbonilla (Pyrgiscus) tenuicula Gould, 7.5 mm 92 



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



8. Turbonilla (Pyrgiscus) marshalli, new species, type 3.6 mm 94 



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



9. Turbonilla (Pyrgiscus) flavescens Carpenter, type 2.25 mm 89 



Copy of a camera lucida sketch by Dr. Carpenter. 



10. Turbonilla (Pyrgiscus) macra, new species, type 5.2 mm 91 



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



11. Turbonilla (Pyrgiscus) iveldi, new species, type 8.8 mm 86 



12. Turbonilla (Pyrgiscus) tenuicula crebrifilata Carpenter, 5.4 mm 93 



12a. Nucleus of same, lateral view much enlarged. 



13. Turbonilla (Pyrgiscus) macbridei, new species, type 4 mm 90 



13a. Nucleus of same, lateral view much enlarged. 



14. Turbonilla (Pyrgiscus) tenuicula subcuspidata Gould, 6 mm 93 



14a. Nucleus of same, lateral view much enlarged. 



15. Turbonilla (Pyrgiscus) antemunda, new species, cotype 6.9 mm 88 



15a. Nucleus of same, lateral view much enlarged. 



Plate 9. 



Fig. 1. Turbonilla (Pyrgiscus) castanea (Carpenter) Keep, type 10.5 mm 101 



la. Nucleus of same, lateral view much enlarged. 



2. Turbonilla (Pyrgiscus) sanctorum, new species, type 5.8 mm 98 



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



3. Turbonilla (Pyrgiscus) canfieldi Dall and Bartsch, type 6.3 mm 95 



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



4. Turbonilla (Pyrgiscus) shimeki, new species, type 5,6 mm 97 



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



5. Turbonilla (Pyrgiscus) auricoma Dall and Bartsch, type 7.2 mm 100 



5a. Nucleus of same, lateral view much enlarged. 



6. Turbonilla (Pyrgiscus) halidoma, new species, type 6.7 mm 99 



6a. Nucleus of same, lateral view much enlarged. 



7. Turbonilla (Pyrgiscus) castanella Dall, type 13.5 mm 102 



8. Turbonilla (Pyrgiscus) almo, new species, type 4.6 mm 95 



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



9. Turbonilla (Pyrgiscus) pluto, new species, type 7.5 mm 81 



10. Turbonilla (Pyrgiscus) dina, new species, type 5.2 mm 96 



