592 
Pupilla, doliolum Bk. 
— dolium Bk. 
—  gularis Bk. 
—  Hoppii Tryon. 
— marginata Leach. 
—  muscorum Bk. 
—  pentodon Tryon. 
—  Rowelli Tryon. 
—  triplicata Bk. 
—  umbilicata Bk 
—  variolosa Tryon. 
Pupisoma, S. Pup. 
Pupoides, S. Bulim. 
—  marginatus Ar. 
Pusiodon, S. Hel. 
—  auriculata Sws. 
—  zonaria Sws. . . 
Pyramidula, S. Patul. 
Pyrgelix, Gen. s 
— elata Bk. . 
Pyrgus, S. Bulimul. 
Pyrostoma, S. Claus. 
Pytohelix, S. Cochlost. 
—  boholensis Mrch. 
—  ealista Mrch. . 
—  fulgatum Mrch. . 
Quadriplicata, S. Claus. 
Rabdotus, S. Bulimul. 
Rachis, S. Bulimin. 
Ravenia, Gen. . . 
—  Blandi Crs. 
Reinia, S. Claus. . 
Rhabdotus, S. Bulimul. 
Rhachis, S. Bulimin. 
Rhagada, S. Hel. 
—  Solorensis Wall. 
Rhaphiellus, S. Bulimin. 
Rhinus, S8. Bulim. 
Rhodea, Gen. 
—  californiea Dn. . 
— gigantea Mss. 
—  Pfeifferi Crs. . 
— Wallisiana Dn. 
Rhodonyx, S. Amphibul. 
Rhyssota, S. Nan. 
— Antonii Smp. : 
—  Chambertoni Tryon. 
—  Darondeaui Smp. 
— densa Smp. 
—  doitija Smp. 
— exilis Smp. 
— globosa Smp. 
— Ahepatica, Smp. 
—  Lamarckiana Mrch. 
— maxima  . . 
—  Mórchi Smp. . 
Rhyssota, Moussoni Smp. . 
—  Miülleri Smp. . 
—  Oweniana Smp. . 
—  porphyra Smp. 
— regalis Wall. . 
— Rhea Smp. 
—  sagittifera Smp. 
—  semiglobosa Smp. 
—  semigranosa Smp. 
—  Sowerbiana Smp. 
—  stolephora Smp. . 
—  striatula Smp. 
—  uranus Smp. . 
— Zeus Smp. . . 
Rhyssota, S. Nan. 
—  otaheitana Mrch. 
Rhytida, Gen. . r 
—  Berotteti Gass. ., 
—  Boydi Paet. 
— bullacea P. 
— capillacena F. .- . 
—  Coguinensis Crs. 
—  eonfusa P. 
— Deplanchesi Gass. 
— JDunniae Gr. 
— Ferrieziana Crs. 
—  Goulardiana Crs. 
— Greenwoodi Gr. 
— inaequalis P.. 
— ]lampra P. : 
— ]lamproides Cox. 
— Leichardti Cox. 
— Lincolniensis P. 
— uteolina Gass. 
— minor Crs. 
—  monozonaria Crs. 
— multisulcata Gas s. 
—  Namoiensis Cox. 
— QOuveana Souv. 
— Paulucciae Crs.. 
— ptychomphala P. 
— Raynali Gass. 
— rufotincta Gass. 
— Sheridani Braz. 
—  Sinelairi P. 
— Strangei P. 
— Strangeoides Cox. 
—  subsidialis Crs. 
—  Vieillardi Crs. F. 
—  Villandrei Gass. 
Walkeri Gr. 
Bi uls; S. Hel. 
Ringicella, Ss. Anost. 
Robusta, Ss. Claus. 
Rotula, Gen. . . . 
— anceps Gd... 
