262 [Dec. 



ciolaria, 9; Fu'«u3, 31; Pyrula, 10; Pleurotonia, 39; Cancellaria. 21; Phasianella, 

 2; Littorina, 33; Margarita, 3 ; Turbo, 31; Trochus!,85; Uoti-lla, S; I'horus, 3 ; 

 Solarium, 'J; Delphiniila, TJ ; ScaLiria, 28 ; Eulima, 1 ; Rissoa, 34. 



Dr. Robert K. Giilfitli presented 3G'J8 species oi" recent bliells, of the following 

 genera : 



Pcrna, 11 spocies ; .Malleus, 2: Avicula, 13; Lima, 9; Hinnita, 1; Pecten,GO; 

 Plicatiila. 2 ; Spoiulylus, IT); Ostrea, 23; Vulsella, 2; Placuna, 2; Anoniia, 9; 

 Terebratula, 10; Liimula, 2 ; Orbicula, 2 ; Crania, 1; Ilyahra, G; Cloodora, 1; 

 Chiton, -1.3 ; Patella, 03; Siplionana, 0; Lottia, 2; Dcntaluirn, 9; Cenioria, 2 ; 

 Umbrella, 2; Parmaphoriis, 2; Emarginula, 10; Fissurella, 37; Pileopsis, 5; 

 Hipponix, S; Calyptr.Ta, lO; Uispot.ra, 14; Crepidiila, 20; Ancylus, 7; Hnliaea,!; 

 Bulla, 38; Aplysia, 1; Vitrina,3; Helix, 475; Helicina, 21; Pupina, 1; Pupa, 72; 

 Clausilia, Sr>; liulimus, 102; Partula, 7; Achatinflia, 22; Acbatina, 38; Succinea, 

 20; Auricula, 32 ; Piini;icula. 1; Scarabu^, 4 ; Cyclo^toma, OS; Truncatella, 8 ; 

 Planorbis, .VJ; Physa, 22; Lyrnnaca, 50; Mdania, 130; Anculo-^a, 22 ; Kulima, G; 

 lo, 2; Melanopsis, 9; Rissna, 20; Pirena, IG; Valvata, 9; Paludina, G4: Fossarus, 

 1; AmpuUaria, 20; Ampullacera, 1; Navicella, 3; Neritina, 91; Natica, C5 ; 

 lantliina, 4; Veiutina, 3; Sis^aretus, 9; Stomatia,2; Haliotis, 32 ; Tornatella, G ; 

 Pyianiidolla, 8; Vernictus, 5; Scalaria, 20 ; Skenea, 1; Delphiiiula, 7; Solarium, 

 9; Rotella, 5; Littorina, 32 ; Turbo, Trochus and JVInnodonta, 21G ; Planaxis, G ; 

 Monoptyiinia, 1; Pha>iaiiell.i, 14; 'J'urntcila, 18 ; Ci-rithium, G 1; Pleurotoma, 5S ; 

 Turbinella, 32; Cancellaria, IG; Fasciolaria, 12; Fusus, GG; Pyrula, 21; Struthio- 

 laria, 1; Ranella, 40; Murex, Gl ; Triton, 43; Rostellaria, G; Pterocera, 10; 

 Strotnbus, G6 ; Cassidaria, 8 ; Cassis, 25; Ricinula, 26 ; Purpura, 115; Tricho- 

 tropis, 1; jMonoeeros, 10; Concholepas, 1; Harpa, 9 ; Dolium, 14 ; Puccinum,97; 

 F.burna, 4; Terebra, 30; Colunibdla, 48; Mitra, 70; Voluta, 2U; Mariiinella, 3 I; 

 Ovula, 9 ; Cypruja, 13G ; Terebellum, 1; Ancillaria, 5 ; Oliva, 75 ; Conus, 150; 

 Spirula, 1; Nautilus, 2; Argonanta, 4; Sepia, 1. 



