IV BULLETIN 161, UNITED STATE& NATIONAL MUSEUM 



Family Buliminidae — Continued. 



Subfamily Virgulininae — Continued. 



Genus BoUvina — Continued. Page 



subtenuis 29 



pseudopygmaea 29 



striatula 30 



subreticulata 31 



variabilis 32 



cf . paula 33 



abbreviata 33 



ligularia 34 



Genus Loxostoma 34 



limbatum 35 



var. costulatum 36 



lobatum 36 



convallarium 37 



vertebrale 37 



karrerianum var. carinatum 38 



mayori 38 



rostrum 39 



Subfamily Reussellinae 40 



Genus Reussella 40 



spinulosa 40 



Genus Trimosina 43 



orientalis 43 



perforata 44 



simplex 44 



Genus Mimosina 45 



pacifica 45 



Genus Chrysalidinella 45 



dimorpha 46 



Subfamily Uvigerininae 46 



Genus Uvigerina 46 



ampullacea 46 



porrecta 48 



war. fimbriata 49 



proboscidea 49 



var. vadescens 50 



Genus Hopkinsina 51 



pacifica 51 



Genus Siphogenerina 52 



virgula 52 



dimorpha var. pacifica 53 



columellaris 54 



raphana 55 



Genus Angulogerina 57 



albatrossi var. ornata 57 



occidentalis 68 



Genus Trifarina 58 



bradyi 59 



Genus Siphonodosaria 60 



sp. (?) 61 



Explanation of plates 61 



Index 65 



