TABLE OF CONTENTS. 



I'age. 



Introduction 1 



Systematic treatment of the group 6 



Genus Bankia 7 



Subgenus Bankia 7 



Bankia (Bankia) setacea 7 



Subgenus Neobankia 9 



Bankia (Neobankia) zeteki 9 



Subgenus Bankiella 10 



Bankia (Bankiella) mexicana 10 



Bankia (Bankiella) gouldi 11 



Subgenus Nausltora 12 



Bankia (Nausitora) excolpa 13 



Bankia (Nausitora) dryas 14 



Bankia (Nausitora) braziliensis 15 



Bankia (Nausitora) fusticula 16 



Genus Teredo 17 



Subgenus Teredo 17 



Teredo (Teredo) beachi , 18 



Teredo (Teredo) novangliae 19 



Teredo (Teredo) morsel ; 21 



Teredo (Teredo) beaufortana 22 



Teredo (Teredo) species 22 



Subgenus Teredothyra 22 



Teredo (Tededothyra) dominicensis 1 23 



Subgenus Lyrodus 24 



Teredo (Lyrodus) chlorotica 24 



Teredo (Lyrodus) bipartita 25 



Teredo (Lyrodus) townsendi 26 



Subgenus Teredops 27 



Teredo (Teredops) floridana 28 



Teredo (Teredops) diegensis 29 



Subgenus Neoteredo 30 



Teredo (Neoteredo) reynei 30 



Teredo (Neoteredo) miraflora 31 



Subgenus Teredora 32 



Teredo (Teredora) thomsoni 33 



Teredo (Teredora) panamensis 34 



Teredo (Teredora) vincentensis 35 



Subgenus Psiloteredo 36 



Teredo (Psiloteredo) dilatata 37 



Teredo (Psiloteredo) stimpsoni 38 



Teredo (Psiloteredo) sigerfoosi 39 



Teredo (Psiloteredo) tryoni 40 



Teredo (Psiloteredo) knoxi 41 



Teredo (Psiloteredo) jamaicensis 42 



Explanation of plates 45 



Index 49 



III 



