INDEX. 
quinaria, spermatheca, 37 
Ramsden, C. T., 2 
ramsdeni 
description and distribution, 102 
key, 69 
reclinate, 25 
remota, 66 
repleta, 29, 101, 109, 115, 116, 120 
chromosomes, 39 
courtship and mating, 7 
description and distribution, 99 
eggs, 19 
key, 68, 69 
male genitalia, 33 
mutations, 14 
puparium, 23 
spermatheca, 37 
variability, 43 
Rhode Island, 111 
Riley, 22, 78 
robusta, 97 
chromosomes, 39 
courtship and mating, 7 
description and distribution, 96 
eggs, 19 
head, 25 
key, 67, 68 
puparium, 24 
spermatheca, 37 
rostrum, 26 
rubrostriata, 77 
St. Vincent, 113, 114 
saltans 
chromosomes, 39 
description and distribution, 98 
key, 69 
skipping of larve, 22 
spermatheca, 37 
Scaptomyza, 8, 16, 19, 22, 30, 35, 50, 108, 109, 
TBIBY Ohl b OR Y 
description and distribution, 63 
key, 64 
Scatophaga, 19, 37, 38, 40 
Schiner, J. R., 51, 91, 103 
Schizometopa, 48 
Sciomyzine, 38, 40, 41 
scute, 120 
scutellum, 28 
seminal receptacles, 35 
Seoptera, 38 
Sepsine, 8, 19, 38 
Sepsis, 31, 61 
sex-combs, 44 
sex-recognition, 10 
sexual characters, secondary, 44-45 
Seychelles, 115 
Shannon, R. C., 61, 77 
short, 121 
Sigaloessa, 49, 107 
sigmoides, 70 
description and distribution, 70 
key, 67 
similis 
chromosomes, 39 
description and distribution, 79 
eggs, 19 
key, 69 


149 
similis, mutation, 14 
spermatheca, 37 
simulans, 9, 119 
courtship and mating, 7 
description and distribution, 91 
eggs, 19 
hybrids with melanogaster, 14, 117-118 
key, 68, 70 
male genitalia, 33, 34 
mutations, 14 
pupal wing, 23 
puparium, 23, 24 
secondary sexual characters, 44-45 
variability, 42 
Simuliide, 37 
Sinophthalmus, 50, 108, 109, 133 
description and distribution, 54 
skipping of larvee, 22 
slossonz, 106 
sororia, 
description and distribution, 87 
key, 68 
South America, 114 
South Carolina, 112 
South Dakota, 112 
Speomyia, 120 
spermathece, 35 
Sphyrnoceps, 55, 133 
spiracles 
*abdominal, 32, 33 
larval, 20, 22, 23, 24 
thoracic, 28 
splendida 
description and distribution, 73 
key, 68 
splendida luteipes 
description and distribution, 74 
key, 68 
squama, 31 
Staphylinidae, 18 
Stegana, 29, 44, 50, 108, 109, 113, 115, 116, 133 
description and distribution, 56 
Stenomicra, 48, 49, 107 
sternopleura, 28 
Stevens, N. M., 39, 40 
Stigmatomyces, 17, 106 
Stomoxyiing, 37 
strap, 120 
Sturtevant, A. H., 5, 9, 13, 41, 55, 58, 86, 88, 94, 
95, 96, 98, 102 
submarginal cell, 29 
suleata, 105 
description and distribution, 96 
key, 67 
| superba, 41, 70 
description and distribution, 104 
key, 68 
supra-alars, 28 
suture, 28 
Syrphide, 8 
Tahiti, 116 
tarsal joints, 29 
i Taylor, J. R., 93 
tegula, 31 
temperature, 15 
Tennessee, 112 
terminalis (Scaptomyza), 64, 106, 109, 114 
