VI TABLE OF CONTENTS. 



Family 5. Lagenidae — Continued. 



Subfamily 1. Lageninae — Continued. 



Genus Lagena — Continued. Page. 



lyelli 34 



malcomsonii 34 



marginata 35 



var. inae(}uilateralis 35 



var. semicarinata 36 



var. semimarginata 36 



var 37 



marginato-perforata , 37 



melo 38 



montagui 39 



millettii 39 



orbignyana 39 



var. antillea 40 



var. caribaea 41 



var. clathrata 42 



var. elliptica 42 



var. variabilis 42 



var. walleriana 43 



var 43 



var 44 



ornata 44 



ovum 44 



paradoxa 45 



perlucida 46 



protea 46 



pulchella 47 



var. hexagona 47 



quadrata 47 



quadricostulata 48 



reniformis 49 



reticulata 49 



rizzae 49 



semilineata 49 



eemistriata 50 



spumosa 51 



squamosa 51 



staphyllearia 52 



stelligera 53 



stewartii 54 



striata 54 



striato-punctata 55 



sublagenoides 56 



substriata 56 



sulcata 57 



var. apiculata 58 



trigono-marginata 59 



truncata 60 



tubulifera 60 



unguis 60 



williamaoni 61 



