NO. 1264. ILLUSTRATIONS Ot AMERICAN SHELLS— BALL. 563 
Fig. 11. Ashmunella rhyam Dall, profile; diameter 16.0 mm.; p. 500. 
12. Zonitoides (Pseudohyalina) pugetoisis T)a]\, from above; major diameter 1.5 
mm. ; p. 500. 
1.3. Axhmunelln pxeudodonta Dall, from Ijelow; diameter 14.0 mm.; p. 500. 
14. Ashmunella r]i!/KmDa.ll, from below; diameter 16.0 mm. ; p. 500. 
15. AshrmmeUa pfiendodoDta Dall, from alwvc; diameter 14.0 mm.; p. 500. 
Plate XXVIII. 
Fig. 1. Ceres nelso.oi DaU, iron^ ahoxe; diameter 27.0 mm.; p. 501. 
2. Holospira {Haplostomnn) hamiltoni Dall, profile of the basal whorls; p. 501. 
3. Ceres nefeo/u" Dall, basal view; diameter 27.0 mm. ; p. 501. 
4. Ashmunelln ashmwii Dall, basal view; diameter 14.0 mm.; p. 501. 
5. Portion of surface of Ceres nehuni, enlarged to show granular sculpture. 
6. Ashmunella ashmum T)a\\, iroxn ahoxe; diameter 14.0 mm. ; p. 501. 
7. Ashmunella psendodonta D-aW, livo^Xe; diameter 14.0 mm. ; ]>. 500. 
8. Ceres nelsoni D&W, profile; diameter 27.0 mm.; p. 501. 
9. Ashmunella ashinuni TisiW, profile; diameter 14.0 mm. ; p. 501. 
10. Siphonaria lineolata Orhigny, basal view; longitude 24.0 mm.- p. 501. 
11. Holospira [Haplostemma) hamiltoni DaW, profile; altitude 19. C mm.; p 501. 
12. Siphonaria. alternata Say, basal view; longitude 24.5 nun.; p. 501. 
"13. Siphonaria lineolata Ovhigny, profile; longitude 24.0 mm. ; p. 501. 
14. Siphonaria alternata Say, profile; longitude 24.5 mm.; p. 501. 
Plate XXIX. 
Fig. 1. CijUchna rerrillii DaW; altitude 7. -"i nun. : j). 502. 
2. Retusa may oi DaW; altitude 8.3 nun.; p. 502. 
3. Daphnella eugramiaata DaW; altitude 9.0 mm.; p. 503. 
4. Admete microscopica DaW; altitude 4.3 mm.; p. 504. 
5. Muricidea philippiana DaW; altitude 17.4 mm. ; jx 504. 
6. Tereftra rws/r/i Dall; altitude 15.0 mm. ; p. 503. 
7. Conus slimpsoni Dall; altitude 37.0 mm.; p. 503. 
8. Terebra texana DaW; altitude 137.0 mm. ; p. 502. 
9. Terebra floridana DaW; altitude 70.0 mm. ; p. 503. 
10. Scala scipio Dall; altitude 16.0 mm.; p. 506. 
11. Aurinia duhia Broderip; altitude 69.0 mm.: p. 504. 
Plate XXX. 
Fig. 1. Muricidea {Pseudoneptunea) mnltanr)idaY\\W\]}\i\; altitude 31.0 mm.; p. 505. 
2. Muricidea ostrearum Conrad; altitude 28.0 mm.; p. 505. 
3. Scala {Amiea) mitclieVi Dall; altitude 36.0 mm.; p. 506. 
4. The same, basal view; diameter 14.0 mm.; p. 506. 
5. Umbraculum (Hyalopatina) rushii Dall; longitude 9.3 mm.; p. 502. 
6. Lo^jrw.s crtyo/u<eso?itrus Sowerby and Melvill; altitude 16.0 mm.; p. 505. 
7. Scala {Cirsotrema) cochlea Sowerhy ; altitude 20.0 mm.; p. 506. 
S. Scala nitideUa Dall; altitude 13.5 mm.; p. 505. 
9. Scala (Acrilla) retifera Dall; altitude 12.5 mm.; \>. 506. 
Plate XXXI. 
Fig. 1. .lrr« adamsi Smith, var. conradiana Dall; longitude 7.0 mm.; p. 508. 
2. Area {Cucidlaria) sagrinaia DaW; longitude 6.0 mm. ; p. 508. 
3. Pandora (Kennerleyia) bushiana DaW; longitude 10.0 mm.; p. 511. 
4. Pandora {Clidiophora) trilineata Say ; longitude 19.0 mm.; p. 511. 
5. Meretrix {Transennella) conradina Dall; longitude 13.5 mm.; p. 509. 
