199 
Page 
Skinning 82 
Large, skinning 142 
Snaring mammals 30 
Soap, arsenical, bird skins, use on . . 97 
Mammal skins, use on 56 
Recipe for making 12 
Skeletons, use on 172 
Soda, washing, for cleaning skins. . 19 
Sodium arsenite, recipe for making 75 
Solder, liquid, for mending bones. . 177 
Specimens, care in the field 7 
Packing 122 
Sportsmen, collecting 2 
Squirrels, flying, methods of capture 30 
Skinning 81 
Stitches, baseball 61 
Birds’ wings, supporting 96, 106 
Shrews, for mouth parts 56, 61 
Surgeon’s 56 
Stock-raising, relation to predators 3 
Stomach contents, preserving 119 
Stretching frames 51 
Sulphur, for fumigation 15 
Supplies, needed for collecting 9 
Syringes, uses of, bulb 172, 176 
Hypodermic 88 
Piston 126 
Tadpoles 142 
Tails, beaver, skinning 78 
Birds, cutting 91 
spreading 103 
Mammals, artificial, making 58 
skinning 48 
Muskrat, skinning 78 
Porcupine, skinning 79 
Shrew r , skinning 48, 59 
Wrapping tail wire 59 
Tanning mammal skins 18, 65, 78 
Taxonomy, value of study 4 
Technique, in skinning 75 
Teeth cracking, to prevent 181 
Ruminants, incisors, care of 182 
Setting 181 
Tendons, birds, removing from legs 106 
Thread, kinds needed 19 
Tins, Cambridge, for drying speci- 
mens 122 
Friction-top, for preserving 121 
Soldering 130 
Traps, used for 36 
Tools, for collecting 9 
Topotypes, value of 8 
Tow, use in filling skins 17 
Tracks, mammal 3,29 
Page 
Tragus, of bat’s ear, importance in 
identification 46 
Trap-lines, running 29 
Trap-nights, as check on relative 
numbers 30 
Trapping, bait-sets 27 
Blind-sets 27 
Water-sets 28 
Traps, all-metal 32 
Anchoring methods 27 
Auto-baited 31 
Museum Special model for small 
mammals 31 
Dead falls 35 
Figure-4 trap 34 
Marking 28 
Out-o’-sight 31 
Setting, methods 28 
Steel, sizes used 27 
methods of setting 27 
Water 37 
Waterproofing wooden bases. ... 31 
Trays, for field chests 22 
Trophies, birds 85 
Mammals 2 
Turpentine, uses of 114 
Turtles, collecting 130 
Skeletonizing 175 
Type and topotype specimens, 
value of 8 
Unprime skins 83 
Valerian, oil of, scent for carnivores 39 
Velvet antlers of deer 70 
Venano hide poison 74 
Veterinarians, wildlife important to 
studies 4 
For preserving specimens 121 
Walrus, skinning 78 
Washing machine, for cleaning skins 99 
Waterfowl, skins, methods 108 
Water-traps, method of using 37 
Weights of mammals, importance of 46 
Whales, porpoises, etc 173 
Whiskers of mammals, treatment of 70 
Whiting, as absorbent 18 
Wings, bats, method of spreading. . 81 
Birds, Chapin stitch 96 
large, skinning 95, 106 
tying up 96 
Wire, annealing, method of 20 
Kinds used 20 
Wire cutters 9 
Wolves, trapping 28 
