Index to Genera. 



499 



Seminala 447 



Semivelatina 172 



Sepidonlum 94 



Sericoderus 273 



Sibiota n. geD. 350 



Sllusa 263, 344-347 



Silusida n. gen. 262, 264, 270, 272 



Sipalia 261, 263, 350 



Somoleptus 408 



Sphaerium 3, 4 



8phenophoru8 151 



Spirifer 437-439, 444 



Spirilerina 446 



Staphylinus 144 



Stemonitis 90 



Stenagria 239 



Stenas 285 



Sterculia 359, 360 



Stereum 84 



Stictalia n. gen. 261, 262, 264, 272 



Stictolinos n. gen. 369, 372, 404, 410 



Stillcus 357 



Strobilomyces 76 



Stropharia 68, 59 



Strophitus 3 



Strophostylus 460, 461 



Succinea 14 



Syringothyris 444 



Tachyusa 183, 185-190, 192, 194, 

 196-198, 200, 202-205, 212-216, 

 221, 224, 260 



Tachynsilla n. gen. 213, 434 



Tachyusota n. gen. 218, 434 



Taphrodota n. gen. 334, 338 



Teliusa n. gen. 185, 188, 203 



Terasota n. gen. 384, 337 



Thelephora 83 



Thinonoma 183 



Thinusa 261, 353 



Tilmadoche 89, 90 



Tlnotus 320 



Tithanis 130, 172 

 Titanotherinm xxxvi, xxxriii 

 Tomicns 420 

 Trachyota n. gen. 184, 185, 188, 



190, 191 

 Trametes 80, 81 

 Tremelodon 82 

 Trichia 91 



Trlchlasa 325, 326, 332 

 Tricholoma 33, 41, 42 

 Triton 113, 120 

 Tropidodiscus 458, 463 

 Tubaria 57 

 Typhlomolge cxvll 

 Typhlasida n. gen. 263, 350, 434 



niitnsa n. gen. 347 

 Ulva 487 

 Urnula 93 

 Ustolina 94 



Valennsa n. gen. 342 



Valvata 4 



Venusa n. gen. 263, 264, 270, 272, 



274 

 Volvaria 48, 49 



Xantbohypnas n. gen. 367,372, 374, 



434 

 Xantholinus 358, 367-369, 373-375, 



377, 380, 381, 384, 386-388. 395, 



397, 398, 412, 420 

 Xenochara 128, 129, 134, 146, 147, 



182 

 Xennsa 183, 186, 188, 189 

 Xestolinus n. gen. 368, 397 

 Xestaridan. gen. 325 

 Xylariia 93, 94 



Zapbrentis 439 

 Zenglodon xziv, xxxiv 

 Zonitoides 15 



