Part 34

Sedgwick, Adam, 187

Seeley, Professor, 189

Settegast, Telegony not proved, 80

Seurat, G., 14

Seychelles, 33

Sharp, D., Diptera, 156

Siam, Mother-of-pearl in ages made by the coast population of, 2

Sierra Leone, Average death-rate of coloured troops from malaria, 130 Average death-rate of white troops from malaria, 130

Silkworms, Cocoons, Value of, 114 Disease, Detection of the corpuscles of Cornalia and Filippi in, 115 ‘Flacherie,’ 116 Parasitic organisms being conveyed from one generation to another by the egg, 115 Pébrine, 115, 116

Sleeping-sickness conveyed by Glossina palpalis, 170 Conveyed by the tsetse fly, 169 Due to Trypanosoma gambiense, 170 in Busoga, 169 in Buvuma, 169 in Uganda, 169

Somali zebra, Stripes of a, 82, 85

Somateria mollissima, 5

Species, Constitution of, 95 Intersterility test, 95 Origin of, Heredity and variation chief factors in the, 74

Spencer, Herbert, Supporter of telegony, 77 Suggested explanations of telegony, 80

Sponges, 28

Spores, Production of, by a pathogenic organism, 116

Sporocyst, 7

Squire, Miss, Donation of, to Law School in Cambridge, 188

Stahl, 109

Standfuss’s experiments in hybridizing butterflies, 95

Stegomyia, 180 fasciata, Cause of the spread of yellow fever, 163 Larva of, 163

Stephens, J. W. W., Children of African natives infected with malaria, 152

Stereo-chemistry, 107

Stomiadæ, Light produced by eye-like lanterns of the, 33, 34

Stomoxys, 165

Strasbourg, 106

Strongylus worm, 97

Surgery, Operative, 113