54 INDEX. 
. Page. J 
Bees) description of 22s === =e 38 | Ikelep society, formal description of_ 
distinct from those of Odon- strengths Of cc ee ear Se ose 
LOMACKUS = eee eee 41 | KINSLER, J. H., observations by____ 
in) bundles === sae ee ee 41.) Warvee, feeding “hapitt =. 22] asa 
Hai Gl MD Ye WVOUIKCT: Sie ee eee 18 FOO Of ae We caer eee 
of an unfertilized queen _____ 35 method of feeding not prim- 
HmMpry, E., references to__________ 30, 36 itive trait eae ee 
EOE aMGen (CON CS ba ee eee ee 46 of unusual Size=22 eee 
lresitarchy, 22. eee 34 | Leaf-cutting ants, size of colony___ 
Evolutionary history as shown by I.EPIDOPTERA, social habits of______ 
social organization _ 37 | Leptogenys and Pachycondyla, dif- 
significance of struc- ferences between ____ 
tural characters —__ 37 Cres of Se 
Evolution of honeycombs__________ 44 elongata, feeding habits_ 
of -social habit______ zeae 45 lack of resemblance to 
of storing liquid food____~ 44 kelep === == eee 
Hxperiments planned —---_--______ 51 larva, description of ___ 
Fecundation inside nest___________ 29 queens 23 
Feeding experiments ______________ 42 | Iewton, F. L., observations by____ 
grounds, object of separation_ oo 4) Iibenia, rivers of === aan 
habits 2 = eee eee 17, 42 termites’ of.) 2 seas 
Females and workers, distinction MAETERLINCK, A. M., matriarchy of 
between] ==25 === a 25 bumblebees 
winged) ‘atenrsto222 see 28 references to_ 
Fibers, use of, in construction _____ 46 sting of bee__ 
FIELDE, A. M., references to_______~ 14,27 | Males, dimorphism of______--~____— 
Food, animal, necessary_________—_ 2 from unfertilized eggs______ 
liquids|StoringsOt= == ese 43 NUMper. Of == =e ee 
Formicorenus, males wingless_——_-—~— 19 present throughout the year_ 
INET Sse UT CCT) Sy ee ee 9 Visits (o£, 2 -~— 25 = Seance eee 
Galleries, construction of__________ 46 Wihged.2e) 2 2 ee ee 
Geographical distribution of social Mandibles, adaptation of__________ 
FLTUS CGS bea eas se eee LOS SMatine. COnCOULS C= === === ae 
Germmplasmpete =) eee 27 flight of ants and termites__ 
Gon, G. P:, observations by—=__—__ P20 of honeybees ________ 
Guests in, kelep nests==—==2_= == 15 inside: nest. <7 -22e ae 
apis mo twinyUnOUs = Se 50),| Matriarchy «222.23 =e. eee 
Fialtica tabida, stung by wasp —~-~_ 45 | McLACHLAN, A., observations by___ 
Harmilessness of kelep_=== === === 48 | Migration, for short distance only_ 
Eereditivs: theory. of 27 of colonies\=— = =a 
Hinps, W. E., experiments of______ 99\Mites; “parasibic= = =.= ene 
One y pees t= ee eee 28 | Mobility of kelep organization_____ 
brood zcellsvoh-=2=-— 49). |\ Mouth, “parts =2)-) Ee 
colony indeterminate _____ 33)1| Movements, -slow==]==—2=—. —=— == 
less completely social ____ 34 iaMultiple nests] =.= 
Hloneybees, ergatarchy of ____-_-__— Sy BENG AOL) Oby ony Dy Op a ee 29, 
social development of ~~ 23 | MyrMicipa, derived from Poneride_ 
Stine of quecn === a— = 48 feeding of larvae —____~ 
queen, jealousy of______ 34 Myrmosa 2222 eee 
Honeycomb, instinct of making____ 44 |} Nectar, as food of kelep_—----_---= 
Honey tubs of bumblebees___--_~__ 44.) eNeononel ds, 
HYMENOPTERA, Classification _______ 7 and Leptogenys,  differ- 
primitive social con- ences between___—----_ 
ditionsof === 2= 23| Nests) construction of-=—-=-—=——=—= 
indians Guatemalan === 2 ee 29 of Philanthus, similar to kelep 
Insects, classification of_-_--_—__== ot KODONTOMACEH ID ai) =—=—— === a eee 
social organization of______~ 23 | Odontomachus, as type of family——- 
instinet ot place sso = sa 30 ClLOnWS See ee 
Mntenp reed ing ee ee 8, 10, 28 dispositionyof===—2—= 
a enecessityeoa== a2. == 35 egos Of 2 ook eae 
Iisomanaltia. coronatas == ae = 15 hematodes, feeding 
Kelep, different from ants____-_~__ if habits: - =.= 22 
Indian name ==- == SSeS 7 larya, description of_ 
method of killing weevils___ Pies 2POChYCONGY C= ee 
relationship with parasitic and Hctatomma,  dif- 
and predaceous wasps ---- 8 ferences between —-_ 
Page. 
28 
21 
16 
46 
42 
17, 42 
12, 23 
16, 28 
amy 
30, 47 
36 
30 
42 
18 
41 
42, 43 
45 
38 
37 
13 
31 
21 
42 
38 
13,18 
41 
