INDEX TO NEW GENERA ANl) SUBGENERA. 
13 
Rhynchoclaviger, Wcismam, Ins. 
101 
Ithytidaspis, Redtenbachcr , Ins. 308 
Rimulia, Saalmiiller, Ins. 231 
Roelofsia, Ritscma , Ins. 149 
Roeseliodes, Warren, Ins. 251 
Rolleia, Crosse , Moll. 87 
Rostrornis, Moreno and Mercer at, 
Aves 44 
Rothpletzia, Simonelli , Moll. 87 
Sal in el la, Frenzel , Verm. 50 
Saloninus, Fairmaire , Ins. 141 
Saltonella, Frenzel , Plot. 10 
Samundra, Moore, Ins. 201 
Sanckia, Duvivier, Ins. 167 
Sancus, Niceville , Ius. 210 
Sape, Mabille , Ins. 210 
Saprinodes, Lewis, Ins. 104 
Sarella, Frenzel , Prot. 10 
Saron, Thallowitz , Crust. 15 
Sartha, Staudhiger, Ins. 231 
Saserna, Druce, Ins. 236 
Satricum, Cambridge , Arachn. 10 
Saurodelphis, Burmeister, Mamm. 
, 48 
Saurodesmus, Seeley, Rept. 15 
Savignyarca, Jousseaume , Moll. 
104 
Scaletomerus, Blackburn, Ins. 136 
Scalidomia, Walsingham, Ins. 259 
Kcapkiella, Simon, Arachn. 10 
Soaphoideus, Uhler, Ins. 286 
Scaptodiadema, Loriol, Ech. 68 
Scenopseetes, Coues, Aves 57 
Schistomys, Ameghino , Mamm. 33 
Schistophleps, Hampson, Ins. 216 
Schizocardium, Spengel, Verm. 40 
Schizodiscus, Kittl, Moll. 95 
Schizophytum, Studer , Cccl. 14 
Sciopetris, Meyrick, Ins. 260 
Sciorhinus, Sharp, Ins. 149 
SclcraSterias, Perrier, Ech. 77 
Sclerocalyptus, Ameghino, Mamm. 
53 
Sclerocrinus, Jaehel, Ech. 89 
Scolytoplatypus, Schaufuss, Ins. 151 
Scytocera, Redtenbacher , Ins. 308 
Segellia, Karsch, Ius. 311 
Selomothus, Fairmaire, Ins. 116 
Sergiolus, Simon, Arachn. 11 
Serpusia, Karsch, Ins. 311 
Sicanites, Gemmellaro, Moll. 53 
Sikkimia, Duvivier, Ins. 167 
Simochilus, Harris and Burrows, 
Moll. 93 
Simodera, Karsch, Ins. 308 
Simoderus, Abeille, Ins. 129 
Siphoplagia, Townsend, Ins. 273 
Smilia, Weise, Ins. 170 
Solenothele, Simon, Arachn. 9 
Solobrachis, Desbrochers , Ins. 150 
Solubea, Bergroth, Ins. 279 , 
Somatoxus, Sharp, Ins. 106 
Sosiolytes, Gemmellaro, Moll. 93 
Spanionema, Whidborne, Moll. 83 
Spartaeus, Thorell, Arachn. 17 
Spartina, Harris and Burrov)S, 
Moll. 67 
Spectrotrota, Warren, Ins. 251 
Sphegoccphala, Saussurc, Ins. 174 
Sphenotherus, A meghino, Mamm. 
5! , 
Spilarctia, Staudhiger, Ins. 215 
Spineoterebra, Sacco, Moll. 74 
Spirodentalium, Walcott, Moll. 98 
Splonia, Signoret, Ins. 286 
Spilotaulius, Thomson, Ins. 291 
Spyridiocrinus, ( Ehlert , Ech. 89 
Stachcocoras, Gemmellaro , Moll. 53 
Stauropoctonus, Brauns, Ins. 185 
Steganodactyla, Walsingham, Ins. 
261 
Steganomphalus, Harris and Bur- 
rows, Moll. 92 
Stegocephaloides, Sars, Crust. 16 
Stenocephalus, Mercerat, Mamm. 
50 
Stenodexia, Wulp, Ins. 273 
Stenoonops, Simon, Arachu. 10 
Stenotatus, Ameghino, Mamm. 52 
Stephanella, Hinde ) Spong. 26 
Stereornis, Moreno and Mercerat, 
Aves 45 
Sternodes, Stefani , Ins. 187 
Steropomorpha, Tschitscherine, Ins. 
95 
Sterrhosoma, Thorell, Arach. 18 
Stethaulax, Bergroth, Ins. 279 
Strabosodon, Ameghino , Mamm. 
51 
Strathocles, Druce, Ins. 237 
Stribalocystites, Miller, Ech. 91 
Strioterebrum, Sacco, Moll. 74 
Strophostephanos, Ameghino, 
Mamm. 32 
Stroudia, Gribodo, Ins. 175 
Stugeta, Druce, Ins. 205 
Stuorella, Kittl, Moll. 93 
Stylamooba, Frenzel, Prot. 10 
Stylognathus, Ameghino, Mamm. 
57 
Stylopoda, Smith, Ins. 232 
Stypobasis, Cope, Pisces, 39 
Suctorella, Frenzel , Prot. 13 
•Suetes, Jacoby, Ins. 167 
