Isoptera, in fossil record, 85 
Lacewings, 81 
Life History of Dynast or darius, 331 
Mallos and Dictvna, aggregations, 65 
M alios gregalis, 67 
Mallos niveus, 68 
Mallos trivittatus, 68 
Mantid, 239 
Myrmeleontoidea, 265 
Myrmicine sting, 255 
Nathalis iole, 383 
Observations of Cvphoderris, 147 
Oxypomyrmex, 255 
Parental care in Guavaquila, 135 
Pentastruma, 203 
Pentastruma can in a, 203 
Pentastruma sauteri, 203 
Phasmatodea, 395 
Phenotypic-induction mechanisms, 
Pieridae, 275 
Pierid butterflies, 275 
Pogonomvrmex mayri, ergatoid queen, 
169 
Population of Sialis itasca, 209 
Prochoroptera calopteryx, 219 
Relationship between two spiders, 347 
Restudy of two Sicilian amber ants, 417 
Rhytidoponera, 409 
Searching behavior of Hippodamia, 249 
Sex brand morphology of Pieridae, 383 
Sexual dimorphism in the Phasmatodea, 
395 
Sialis itasca, 209 
Sicilomyrmecini, 423 
Sicilomyrmex corniger, 422 
Social insects in fossil record, 85 
Stick insects, 395 
Studies of the myrmicine sting appa- 
ratus, 255 
Sulphur butterflies, 383 
Terataner, 255 
Tergal and sternal glands in ants, 285 
Vespoidea, fossil, 94 
Web building spiders, 239 
Webs of Miagrammopes, 1 
430 
