Spearman coefficients, 52 



Specific gravity, 15, 50 



Specimen mass, 82 



Specimen Mass Measuring Device 

 (SMMD), 82 



Spectral analysis, 109 



Sperm cells, 101, 127, 135, 137 



Spermatogenesis, 112 



Spiders, 126 



Spindles, 152 



Spinal curvature, 10 



Spirometer, 63, 73 



Spizizen, J. , 172 



Spleen cells, 28, 111 



Spleen-liver rations, 47 



Splenic function, 42 



Spores, 8, 155, 157, 160-161, 164, 

 168-169 



Spring exerciser, 40, 63, 81 



Spring mass oscillator, 82 



85 Sr , 61, 101-102, 127, 135, 152, 160 



ST slope, 35 



ST vector, 35, 75 



Stabilography, 39 



Stadler, C. R. , 87 



Staehle, R., 169 



Stamen, 152 



Stannous fluoride, 11, 156 



Stanton, K., 75 



Staphylococcus aureus , 11, 20-21, 26, 

 76-77, 156, 171, 174 



Staphylococcus epidermidis , 21, 162 



Starch granules, 143, 145-146 



Statham transducers, 118 



Station activity, 85 



Statistical data processing, 52 



Statoliths, 143 



Stature, 10 



Stereophotogrammetry, 69, 79, 88 



Stereoplotter, 88 



Stereoscope, 152 



Sterility, 135 



Steroid cream, 40 



Steroids, 77, 171 



Sterols, 48 



Stingely, N. E., 117 



Stock, D. , 64 



Stomatocyte, 48, 50 



Stoop, D. , 75 



Strain gage, 9, 16, 32, 43 



Streptococcus faecalis . 21 



Streptomvces levoris . 168 



Streptomycin, 64 



Stress tests, 17, 35, 43, 63, 72 



292 



