VI CONTENTS 



Family 33. Rotaliidae — Continued. 



Subfamily 3. Discorbisinae — Continued. 



Genus Discorbis — Continued. Page 



peruviana 29 



planorbis 29 



polyraphcs 30 



polystomelloides 30 



praegeri 30 



rosacea 31 



subaraucana 32 



tabernacularis 33 



valvulata 33 



vesicularis 33 



vilardeboana 34 



Genus Lamarckina 34 



ventricosa 34 



scabra 35 



atlantica 35 



haliotidea 36 



Genus Valvulineria 37 



Genus Gyroidina 37 



orbicularis 37 



soldanii 38 



var. nitidula 40 



var. altif ormis 41 



Genus Rotaliatina 41 



Subfamily 4. Rotaliinae 41 



Genus Eponides 42 



antillarum 42 



concentrica , 43 



exigua 44 



f rigida 45 



var. calida 47 



lateralis 47 



punctulata 48 



pygmaea 49 



repanda 49 



var. concamerata 51 



schreibersii 52 



umbonata 52 



var. ehrenbergii 54 



tuberculata 55 



tumidula 55 



wrightii 56 



Genus Planopulvinulina 57 



dispansa 57 



Genus Rotalia 57 



beccarii 58 



var. tepida 61 



rosea _ 62 



perlucida 63 



caicar 63 



pulchella 64 



schroeteriana 64 



