538 
Serpulacez, 
Serranus, 
Serrasalmus, 
Serricornes, 
Serropalpides, 
Serropalpus, 
Sertularia, 
Sertularia proper, 
Seserinus, 
Sesia, 
Setophaga, 
Shad, 
Sharks, 
Sheath-bills, 
Sheep, 
Shrews, 
Shrikes, 
Shrimps, 
Siagona, 
Sialis, 
Sicus, 
Sida, 
Siderolithes, 
Sigalion, 
Sigalphus, 
Siganus, 
Sigaretus, 
Sigillina, 
Siliquaria, 
Silis, 
Sillago, 
Silphales, 
Silpha, 
- Silpha proper, 
Siluride, 
Silurus, 
Silurus proper, 
Silvanus, 
Simia, 
Simia proper, 
Simplicia, 
Simplicimani, 
Simulium, 
Sinodendron, 
Siphonaria, 
Siphonostoma, 
Siphonostoma, 
Sipulus, 
Sipunculus, — 
Siren, 
GENERAL INDEX. 
Vol, 11 
Il 
II 
Ul 
iit 
lil 
IV 
Ul 
Sirex 
Siro, 
Sisyphus, 
Sitana, 
Sitaris, 
Sitona, 
Sitta, 
Sittasomus, 
Skimmers, 
Skunks, 
Sloths, 
Smaris, 
Smaridia, 
Smerinthus, 
Smynthurus, 
Snipes, 
Solarium, 
Soldania, 
Solea, 
Solecurte, 
Solemya, 
Solen, 
Solenopus, 
Solenostomus, 
Soles, 
Solipedes, 
Somateria, 
Sorex, 
Spagebranchus, 
Spalangia, 
Spalax, 
Sparasion, 
Sparedrus, 
Sparoides, 
Sparrowhawk, 
Sparrows, 4 
Sparus, 
Spatangus, 
Spatularia, 
Species, - 
Specothere, 
Spectrum, 
Spercheus, 
Spermagra, 
Spermophilus, 
Sphargis, 
Sphasus, 
Spheridiota, 
Spheridium, 
Spheriodactylus, 
