218 
INDEX, 
Sedgwick-Minot, 53 
Seminal vesicles, 126-128 
Semper’s nuclei, 99 
Siebold, Dr. v., 112, 116, 137, 
138, 142-1475 165 
Simmermacher, G., 37 
Sinus on fore leg, 34 
Skeleton, external, 15, 50 
Skin casting, ii, 12, 15 
Small intestine, 106, no, in 
Smell, organs of, 88, 89, 91 
Smell hollows, of antennae, 91, 
92; large number in drone. 
Soap-bubble experiment, 176 
Sound, organs of, 83 
Sounds produced, 86, 87 
Spermatheca, 130, 1 37-140, 
148, 149; of unmated queen, 
138 
Spermathecal, duct, 138, 145, 
149; valvular joint, 140 
Spermatic tubes, 126 
Spermatophore, 128-130, 133, 
140 
Spermatozoa, 127, 128, 13 1, 
133, 136-140, 145, 146, 148, 
149; diseased, 166; killed 
by cold, 148 ; movements of, 
127, 128; number of, 139; 
vitality of, 148; within egg, 
145. 146 
Spiracles, 51, 73, 85, 86, 155; 
can be closed voluntarily, 51, 
86; number of, 51, 52, 159 
Spine on first leg of worker, 34 
Sprengel, 52 
Spur on second leg, 35 
Stahala, 86 
Stemmata, or simple eyes, 1 8, 
104 
Stigmatic vestibule, 85 
Sting, antidote for, 80; darts 
of, 75 ; development of, 158 ; 
levers of, 77-79; lubricating 
gland, 80; muscular structure 
of, 78, 79 ; necessity for, 74 ; 
of queen, 81, 82, 137; of 
worker, how withdrawn, 81 ; 
palpi, 80; piston of, 77, 78; 
poison of, 76-81 ; pumping 
action of, 80; reflex action, 
79; sheath of, 74, 76, 77; 
structure of, 74; valves of, 
77, 78; when used lost by 
worker, 81 
Stirrup of spiracle, 86 
Stomach -mouth, 107, 122 ; 
movements of, 107; struc- 
ture of, 107, 108; uses of, 
109, 122 
Stomato-gastric nerve system, 
Straus-Durckheim, H., 85 
Strength of bee, 72 
Strigilis, 34 
Submentum, 24 
Sub-oesophageal ganglion, 62, 
64, 67 
Sucking, large quantities of 
nectar, 29; small quantities, 
27, 28 
Swammerdam, J., 52, 56, 62, 
67,84, 106, 1 12, 126, 158, 161 
Swarm, behaviour of, 14 
Swarming, 14, 83, 109 
Sympathetic system, 65 
T 
Tactile hairs, 16, 24, 35, 90, 91, 
97 
Tarsus, or foot, 32 
Taste, organs of, 26, 93, 95, 
96; sense of, 97 
Tegetmeier, W. B., 175 
Tendons, 15, 72 
Temperature, connected with 
