Index 263 
Nymphula gyralis, 219. 
icciusalis, 219. 
obscuralis, 219. 
maculalis, 219. 
seminealis, 219. 
Ocneria dispar, resistance of eggs of, 
69, 161. 
Odinia maculata, 234. 
picta, 235. 
Oedemasoma nuda, 212. 
Osmia copelandica, 246. 
densa, 246. 
fulgida, 246. 
grindeliz, 246. 
pentstemonis, 246. 
wardiana, 246. 
Pachycrepoideus dubius, 108, 110. 
Pachymeria, mating habits of, 78. 
Palloptera arcuata, 233. 
similis, 233. 
Panurginus bakeri, 245. 
Panurginus didirupta, 245. 
Parafacials of Muscidz, Note on, 213. | 
Paragermaria autumnalis, 210. 
Parasites of Aphids, 125. 
Parasites of housefly, 108, 145. 
Parasitic Habits of An African Ephy- | 
drid, 8. 
Perdita snowli, 244. 
Phoneutisca bimaculata, 52. 
maculipennis, 52. 
Phora camariana, 36. 
cochlearipalpus, 35. 
formicarum, 8. 
Phorid from Natal, 33. 
Phormia regina, parasites of, 9. 
Phoroxypha, 48. 
Phthiria borealis, 229. 
coquilletti, 229. 
cyanoceps, 229. 
sulphurea, 229. 
Platygaster, 125. 
Platypalpus, 41. 
Pogonosoma dorsatum, 228. 
melanoptera, 228. 
Praon simulans, early stage of, 128. 
Prosopididz of Southern Maine, 177. 
Prosopis affinis, 179. 
antennata, 184. 
basalis, 185. 
binghami, 180. 
cressoni, 178. 
elliptica, 184. 
modesta, 182. 
pygmea, 178. 
sanicule, 179. 
variifrous, 184. 

Prosopis verticalis, 184. 
zizie, 181. 
Psammochares castella, 248. 
ilione, 249. 
harpalyce, 250. 
hesione, 250. 
tenuicornis, 249. 
transversalis, 248. 
Pseudagenia antennalis, 251. 
virginica, 251. 
Pseudomethoca canadensis, 186. 
Psyllomyia testacea, 36. 
Puliciphora africana, 36. 
Pyrausta nelumbialis, 219. 
Repugnatorial secretion of Carabus 
vinctus, 86. 
Resistance of Gypsy Moth eggs to di- 
gestion by birds, 161; to low 
temperatures, 69. 
Rhamphomyia, mating habits of, 
Rickia wasmanni, 83. 
Rileyella, 211. 
Rivellia brevifasciata, 233. 
conjuncta, 233. 
pallida, 233. 
quadrifasciata, 233. 
Saltella scutellaris, 234. 
Sarcophaga, parasites of, 11. 
Scatophaga, volucricaput, 232. 
Scolytus geoffroyi, 63. 
multistriatus, 63. 
Seoptera colon, 234. 
Sisyropa hemerocampe, 210. 
Smaller elm bark-beetle, 63. 
Sphecodes fragariz, 244. 
Sphegina campanulata, 230. 
Sphingide, listfof North American, 190. 
Spiders, dimorphism in, 120. 
Stenomyia tenuis, 234. 
Sturmia sternalis, 211. 
Synonymical notes on Diptera, 210. 
Tablet memorial to T. W. Harris, 28. 
Tachista, 41. 
Tachydromia, 41. 
agens, 59. 
calva, 58. 
ciliata, 55. 
described species of, 61. 
diversipes, 55. 
enecator, 54. 
insularis, 58. 
key to N. Am. species, 53. 
maculipennis, 57. 
schwarzil, 54. 
simplicior, 57. 
universalis, 60. 
varipennis, 56. 
