— 201 — 
Solemya Lmck. 
Solemyadæ . 
Solen Lin. 
Solenidæ . 
Soleninæ . 
Soletellina Blvll. 
Spatha Lea. 
Sphærium Scop. 
Spirialis Eyd. et Soûl 
Spirula Lmck. 
Spirulidæ . 
Spondylidæ . 
Spondylus Lin. 
Stenogyra Shttlw... 
Stomatella Lmck 
Stomatéllinæ . 
Stomatia Hlblng.... 
Streptaxidæ . 
Streptaxis Gray. 
Strigilla Turt. 
Strombidæ . 
Strombus Lin. 
Struthiolaria Lmck.. 
Stylifer Brod. 
Styliferidæ . 
Sycotypidæ . 
Sycotypus Brown... 
Syndosmia Rclz.... 
Tagelus Gray. 
Tapes Mhlfld. 
Teinotis H. A. Ad... 
Tectarius Valenc.... 
Telescopium Chemn. 
Tellina Lin. 
Tellinidæ . 
Tellininæ . 
Terebellum Lmck... 
Terebra Brug. 
Terebratula Lwd ... 
Terebratulina Orb.. 
Terebratulidæ . 
Terebratulinæ . 
Terebridæ . 
Teredinæ . 
Teredo Lin. 147 
Testacellidæ . 1 
Thalotia Gray. 131 
Thracia Leach. 152 
Thecidæa Defr. 194 
Thecidiidæ . 194 
Tivela Lmck. 162 
Tornatella Lmck. 141 
Tornatellidæ . 141 
Tornatina A. Ad. 142 
Tridacna Costa. 173 
Tridacnidæ . 173 
Triforis Desh. 113 
Trigonia Brug. 183 
Trigonidæ . 183 
Tripteridæ . 57 
Triton Mft. 65 
Tritonidæ . 65 
Trivia Gray. 108 
Trochidæ . 127 
Trochinæ . 129 
Trochita Schmch. 124 
Trochocochlea Klein. 132 
Trochomorpha Alb. 6 
Trochus Lin. 129 
Trophon Mft. 60 
Turbinella Lmck. 79 
Turbinellidæ . 79 
Turbininæ . 127 
Turbo Lin. 127 
Turritella Lmck. 122 
Turritellidæ . 122 
Tympanotomus Klein.... 114 
Typhis Lin. 60 
Umbrella Lmck.. 145 
Umbrellinæ . 145 
Ungulina Daud. 175 
Ungulinidæ . 175 
Unio Retz. 44 
Unionidæ . 44 
Unioninæ . 44 
Utriculus Brown. 142 
Vasum Boit. 79 
V itrinæ . 3 
176 
176 
148 
148 
148 
156 
52 
42 
57 
55 
55 
191 
191 
27 
134 
134 
134 
2 
2 
158 
101 
101 
103 
96 
96 
88 
88 
161 
150 
164 
135 
117 
144 
156 
155 
155 
104 
93 
193 
193 
193 
193 
93 
147 
