MONOGRAPH OF AMERICAN SHIPWORMS. 47 



Plate 19. 



Bankia {Nausitora) dryas Dall. 



Upper figure, dental ridges of the anterior part. 



Lower figure, dental ridges of tlie anterior median portion. 



Plate 20. 



Fig. 1. Teredo (Teredo) beachi Bartsch. 



2. Bankia (Bankiella) fusticnla Jeffreys. 



3. Bankia (Nausitora) brazil ten fiin Rartscli. 



Plate 21. 



Fk;. 1. Teredo (Lyrodus) bipartita Jeffreys. 



2. Teredo (Teredothyra) dominicensis Bartsch. 



3. Teredo (Teredo) norangliae Bartscli. 



Plate 22. 



Fig. 1. Teredo (Tcredops) floriduna Bartsch. 



2. Teredo (Lyrodus) toicnsendi Bartsch. 



3. Teredo (Teredops) diegensis Bartsch. 



Plate 23. 



Teredo (Neotcredo) rcynei Bartsch. 



Plate 24. 



Teredo (Neoteredo) miraflora Bartsch. 



Plate 25. 



Greenheart wood destroyed by Teredo (Neoteredo) miraflora Bartscli. 



Plate 26. 



Teredo (Teredora) thomsoni Tryon. 



Plate 27. 



Fig. 1, 2. Teredo (Teredora) vincentcnsis Bartsch. 

 3,4. Teredo (Teredora) panamensis Bartsch. 



Plate 28. 



Fig. 1. Teredo (Psiloteredo) d ilat a tu Utimpson. 



2. Teredo (Psiloteredo) sigcrfoosi Bartsch. 



3. Teredo (Psiloteredo) stinipsoni Bartsch. 



Plate 29. 



Fig. 1. Teredo (Psiloteredo) janiaireiisis Bartsch. 



2. Teredo (Psiloteredo) knoxi Bartscli. 



3. Teredo (Psiloteredo) tryoni Bartsch. 



