182 
Index 
[December 
Odors of butterflies, 1 
Odynerus bradleyi, 126 
Odynerus clypeatus, 126 
Oliogotropus, habits of, 117 
Oplacantha annulifera, 109 
Orientation in dragonfly larvae, 124 
Ormyrodes, 37 
Ormyrodes petref actus, 37 
Ormyrus, 37 
Oxystoglossa confusa, 40 
Ozophora picturata, 111 
Panis omima erlang eriana, 18 
Papilio glaucus, odor of, 4 
Papilio polyxenes, odor of, 2, 4 
Papilio troilus, odor of, 5 
Paralictus, habits of, 117 
Parandrena andrenoides, 40 
Paururus, 169 
Perdita obscurata , 39 
Perditella boltonice, 41 
Peryphus concolor , 32 
Peryphus dilatatum, 32 
Peryphus honestum, 32 
Peryphus punctulatum, 32 
Phylogeny of insects, 92 
Podops cinctipes , 110, 111 
Podisus maculiventris, 110 
Podops parvula, 111 
Polymorphism in Volucella, 22 
Princidium, 32 
Princidium concolor, 32 
Princidium dilatatum, 32 
Princidium honestum, 3 
Princidium punctulatum, 32, 33 
Princidium ruficolle, 32 
Pseudopanurgus, habits of, 118 
Pseudopanurgus compositarum, 39 
Psithyrys, habits of, 117 
Pterandrena, habits of, 118 
Rhopalosoma abnorme, 118 
Rhopalosoma poeyi, 18 
Rhopalosomatidae, note on, IS 
Schistocerca vaga,53 
Sicya morsicaria, 172 
Snakes eaten by spiders, 60 
Social habits of spiders, 29 
Speyeria idalia, odor of, 2 
Spiders eating snakes, 60 
Spiders, social habits of, 29 
Stelidium, habits of, 117 
Stratiomyia ocgidentis, 42 
Strumigenys mirabilis, 104 
Teleonemia sacchari, 86 
Teredon, 169 
Tetralonia, habits of, 114 
Tingimyrmex, 104 
Tingimyrmex mirabilis, 104 
Tingitidae from Cuba, 86 
Trabala vishnu, oviposition, 6 
Trachandrena claytonice, 40 
Trachandrena, habits of, 118 
Tribaeus, 37 
Triepeolus, habits of, 119 
Urocerites, 169 
Urocerus calif ornicus, 169 
Urocerus cressoni, 169 
Urocerus from Baltic amber, 168 
Urocerus gig as, 169 
Urocerus klebsi, 168 
V anduzea arcuata, 138 
Vanessa, flight of, 4 
Vishnu moth, oviposition, 6 
Volucella bombylans, varieties of, 22 
Walking stick, inheritance in, 151 
Wing veins of bees, 39 
Xanthosarus, habits of, 116 
Xylocopa, 41 
