INDEX. 243 



PoMPiLus QuiNQUENoTATus, date of appearance of, 126; method of digejing 

 of, 12G; prey of, 126; method of carrying prey of, 127, 129; method of 

 closing and concealing nest of, 127; nest of, difficult to excavate, 127, 

 128; nest of, invaded by small ants, 128; confines herself to one species 

 of spider, 129; often hangs spider on plant while nest is being made, 

 129; is capricious in selecting spot for nest, 130; failure of experiments 

 to determine stinging method of, 131, 132; robs her neighbors, 133; 

 variation in nests of, 131, 135; length of egg and larval stages in, 136; 

 notes showing effect of sting of, upon spider, 136, 137; inexactness of 

 stinging methods in, 138; sometimes loses her way, 135, 213, 



SCELESTUS, date of appearance of, 153; prey of, 153; bites legs of spi- 

 der, 154, 158; flattens herself and crawls around nest, 157; sleeping 

 habits of, 158; temporary disposition of prey by, 159; mode of filling 

 nest of, 159; position of egg of, on spider, 160; pursuit of, by parasites, 

 154, 155; makes long pauses while transporting spider, 155; diagram 

 showing road over which spider was carried by, 156; condition of spi- 

 der immediately after having been stung by, 160; recovery of spider 

 from sting of, 161; experiment with stink-bug upon spider taken by, 

 161; experiment of wounding ganglion of spider taken by, 162; prey 

 of, buried alive, 163. 



Pbiononyx ateata, date of appearance of , 171; prey of, 171; flattens herself 

 on ground and crawls about, 171; method of carrying locust of, 172; 

 condition of locust stung by, 172; position of egg of, on locust, 172. 



Rhopalum pedicellatum, nests in stumps, 42; is a long time in finding 

 prey, 42; has strong power of localization, 43; description of nest of, 

 43; number and condition of gnats found in nests of, 43; length of egg 

 stage in, 43. 



RUBROCINCTUM nests in stalks, 43; number of cells stored by, 43; prey 



of, 43; number of gnats found in each cell of, 43; gnats found in nests 

 of, all dead, 44. 



Romanes, G. J., on stinging habits of hymenoptera, 221. 



Salius conicus, date of appearance of, 53; method of capturing and sting- 

 ing a Lycosid of, 53, 54; spider killed by sting of, 54; experiments 

 with, 54; moves backward when carrying prey, 55. 



Social wasps, summary of general habits of, 3. 



Solitary wasps, general habits of, 4. 



Sphex, habits of, noted by Fabre, 39, 40. 



iCHNEUMONEA, date of appearance of, 33; nests begun and deserted 



by, 33; nest of, 33; method of digging of, 33; appearance of nest of, 

 34; studies locality of nest before leaving it, 34, 214, 215; reas ing 

 power of, .34; her method of carrying prey and of taking it into nest, 



