U 2 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. I43 



Scavengers, 37, 51 



Schedorhinotermes browni, 23, 48 

 lamanianus, 20 



S. (Schendylotus) integer, centipede, 37 



Schisophytes, bacteria, 3; Spirochaeta hilli, 3; 5. 

 minei, 3; S. termitis, 3; Fusiformis termitidis, 

 3; F. hilli, 3 



Scoloparia, sound detecting organs on legs, 46 



Scutigerella immaculata (milleped), 45 



Secretion(s), ectohormones, 41; endocrinal gland, 

 41; exohormones, nonspecificity, 41; neurosecre- 

 tion and sexuality, 41; olfaction, reciprocal at- 

 traction between castes, 41; pheromones, 41; 

 trail forming by gland, 8, 41 



Seminal vesicles, 30 



Sense organs, 41-42; chordotonal organs, anten- 

 nal, 42; cytology terminal nerves, 41; neuro- 

 sensorial organs, on legs, 41; olfaction, 41, 42; 

 on feet, 41; peripheral sensorial cellules, 41; 

 regression number and size accompanies de- 

 velopment pseudoergates, 41 



Serratia marcescens, 3, 16, 36 



Sex, phallic organs. See Genitalia 



Sexual cycles, flagellate protozoa, hormone in- 

 duced, 37; suppression of and death protozoa, 

 38 



Sexualized, sexual maturation, 7 



Sheathings, cable, 11 



Shields, metal barriers, 8, II, 12, 13, 14, 15, 42, 

 46, 54; Australia, 13; BRAB recommendations, 

 11, 12; California, not necessary, 15; designs, 

 42; FHA recommendations, 42; Florida, war- 

 ranty eliminated by installing cheap, 46; instal- 

 lation, 42; material, 42; Solomon Islands, 12, 

 42; southern U.S., 8 



Ships, introduced in, 31 



Silica, aerogel, 9, 10, 11, 12, 16; gels, 16 



Sinella termitum, springtail, 51 



Slab(s), concrete, type house, 13, 14, 15, 17; 

 concrete, no barrier, 17; device for subslab in- 

 jection, 14; floating, 15; monolithic, 15; pre- 

 treating, 14; supported, 15; treating, 13, 14 



Snakes, eggs, 6; predaceous, 37 



Sodium arsenate, 55 



Sodium arsenite, 10, 43, 53 



Sodium fluoroacetate, 51 



Sodium fluosilicate, 11, 43 



Sodium pentaborate, 58 



Sodium pentachlorophenate, 26, 42, 56 



Soil, acidity, 44; application rate chemical high, 

 longer persistence in, 45; calcareous, 15; char- 

 acteristics, 14, 46; chemical application, 14, 

 cohesive, 14, 16; cohesionless, 46; conver- 

 sion chemical in, 43, 44, 45; cultivation, lack 

 of, longer persistence chemical in, 45; dry, 

 chemical persists longer in, 45; dumps, 34; 

 evolution, 9, factors affecting persistence chemi- 

 cals in, 44; fertility: effect chemicals on, 

 15; effect mound -building termites, 21, 30; 

 frozen, 45; fumigant, 28, 29; iron in de- 

 composes DDT, 44; loads on clay, sand, 14, 

 46; loam, 45; macroscopic structure, 46; 

 microorganisms in, 30, 45; moisture, 45, 46; 

 mounds not altered chemically, 9; organic 

 content high, chemicals persist longer in, 45; 



particle size, 5; penetration, chemicals, 14; 

 permeability, 46; persistence chemicals in, fac- 

 tors, affecting, 42, 43, 44; plasticity, 14, 16; 

 shrinking, 14, 46; solidify, 14; sterilization 

 microorganisms in, cause chemicals to persist 

 longer in, 45; strength, 14, 46; structural safe- 

 guards use chemicals, 14, 46; swelling, 14, 46; 

 temperature low, chemicals persist longer in, 



44, 45; termites and, 5, 6, 30, 43, 44; texture, 

 43, 46 (in mounds, 9, 30) ; types, 45, 46 (alka- 

 line, 44; clay, 16, 43, 46); gravel, 46; loam, 45, 

 46; muck, 44; sand, 43, 45, 46; sandy, 44, 46; 

 silt, 45, 46; turf, 45; void ratio, 14, 46; water 

 content, clay, dry, 46 



Soil poisons, barriers, 9, 10, 11, 12, 13, 14, 15, 

 19, 26, 42-46, 51; action, decreasing speed, 44; 

 Africa, 43; aldrin, 9, 12, 14, 15, 42, 43, 44, 

 45 (and dieldrin 42); alkaline soil, effect, 44; 

 alternate drying and wetting soil, 44; analysis, 

 45; application, 42, 43, 45, 46; aqueous solu- 

 tion, 42, 44; arsenic, 12, 54; Australia, 13, 42, 

 43; benzene hexachloride, BHC, II, 14, 19, 43, 

 44; care in, use, 16, 46; certification board, 

 N.P.C.A., pretreatment, 42; chemicals, 43, 44, 



45, 46; chemical conversion in soil, 43, 44, 45, 

 46; chlordane, 11, 14, 42 (dust, 16, 45; emul- 

 sion, 12, 13, 14, 15, 16, 46); chlorinated hydro- 

 carbons, 15, 42, 43, 44, 45, 46 (deteriora- 

 tion, 44, 46); chlorohepton, 42; climatic factors, 

 45; clinical memoranda, 42; collar around, 

 14; concentrations, 42, 43, 44 (increased, 44; 

 decreased, 43); creosote, 42; cultivated soils, 46; 

 DDT, 11, 14, 42, 44, 45 (and BHC mixture, 

 19; and toxaphene mixture, 11, 19); death 

 not result use, 42, 51; decomposition, 44, 45, 

 46; dieldrin, 9, 11, 12, 14, 15, 42, 43, 44 

 (dust, 43; emulsion, 14, 15, 16; and DDT 

 and BHC mixture, 11); disappearance, factors 

 causing, 44; dispersion: in soil, 44, 45, 46; in 

 concrete blocks, 11; dosages, 10, 42, 43, 44, 45 

 (should not be lowered, 44); drilling, 10, 46; 

 effect on physiology insects, 46; ethylene dibro- 

 mide, 42, 43; 46; evaluation, 44, 46; evapora- 

 tion of, 44; FHA recommended, 42, 43; fine- 

 grained soil, injection, 14, 46; Forest Service, 

 43 (approved, 42, 43; tested, 44); fumigants, 

 with, 43, 46; granularize coarse sand, soaking, 

 14, 46; grass bait, 11, 43; hazards, 45; hepta- 

 chlor, 43, 44, 45, 46; India, 44; laboratory eval- 

 uation, 43; lindane, 42, 45; losses, 46; methyl 

 bromide, 42; organic insecticides, 43, 44, 45, 

 46; parathion, 14; penetration, 44, 46; 

 pentachlorophenol, 42; percentages, 42, 43; 

 persistence, 42, 43, 44, 45, 46; physiology in- 

 sect, effect on, 46; pipes for retreatment, 46; 

 poisoning, first aid, 42, 43; pretreament soil, 

 42, 43, 46 (cost, 42, 43); products of degrada- 

 tion, 46; proprietary, 42, 43; recommendations, 

 42, 43; research, 45, 46; residual, 43, 44, 45; 

 resistance, 43, 45 (factors affecting, 45); re- 

 sponses, 46; retention, 46; rodding, 14, 43; safe- 

 guards, structural, 46; screening, 46; slab 

 houses, 42, 43, 46; slab-treating demonstration, 

 42; sodium arsenite, 43; sodium fluosilicate 

 grass bait, 11, 43; sodium pentachlorophenate, 



