INDEX. | 
Page. 
Abdomen, flexibility of=—=2-===—— == 21 
Agricultural uses of kelep_____~--_-_ : 49 
JAMO TYPO NED Aoes ee ee ee ee 38 
INMBIGYPONTN AD) 22a 2 ee 30, 37 
Anergates, males wingless____—__—- 19 
Annual emergencel === ees 8, 32, 49 
Anite SOCLety a= 2 a ee 27 
Ants; preedine habits===—s= 2 == === 36 
cocoons abandoned___---_----- 43 
colonies compared with kelep — 27, 50 
colony, sequel of sexual repro- 
duction’ 2222s. 20 eee 335) 
domesticators of other insects_ 9 
indeterminate organization —__ 33 
Maine | CONCOULSe=——==———— == 8 
not adapted to agricultural re- 
quinements({2= 2 — = = 49 
number of individuals________ 2M; 
polymorphism) of ===———=_— = = 26 
similarity to kelep superficial_ 35 
social system wasteful _______ 32 
unable to destroy boll weevils_ 21 
wings s~removall Of == —- == 27 
WOLKELSaehl OS til Chimes ares = ee ee n cya 4 
ASHMEAD, W. H., references to___-~~ 29, 30 
classification of the 
PONERID AY S==> == 38 
AviEBuRy) reference ito —2==——--—- = 10 
Bamboos, periodical flowering of_—— 8 
BATES, H. W., reference to___-___— 31 
Bee, fecundation of ‘queen _________ 24 
StuinewOl WOLKeh so == == ae 26 
worker caste, cause of ________- 24 
Bees, dependent on _ presence of 
queens22= Ss. 55222 5h 20 
honey, brood ‘cells2=22=22== 24 
purpose of honey production_— 19 
resemblance to nonsocial in- 
Stet) ee a 2x8) 
royal etiquette among______ ae) 
similarity of keleps to___ 29, 43, 50 
FSO) 1 C5 ype ry pn 36 
youne queens! Of =-===— === 34, 35 
BENTON, FRANK, on brood cells of 
ees aes ae eee ees 43 
SEG nD zee se re ee ee ES 30 
Biological synchronism====—==——=—— 8 
Boll weevil, vulnerable points ~~~ 47 
Boll weevils, feigning death_______ Pat 
killed by keleps-_-_—- 42 
Breeding habits, diversity of ~-_—-_~ 23 
or kelep === = 10 
brood: cells; horizontal=—====—==——— 44 
ofskelep a2 S222 fess 43 
Bumblebee, foundation of colony——~ 28 
interbreeding of_____-_- 28 | 
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Bumblebee society _-_-------_--_-~ 2§ 
workers winged________ 28 
Bumblebees, governed by queen____ 34 
honey, tubs Of======—— 44 
Colagihea= = se eee ital 
Calotennese = 2) es Bae Ee 14 
Gannibalismy?====2 =. ee 14, 15 
Cardiocondyla, males wingless————~— 19 
Castes specialization= of————= === 26 
Cerapachysi2 === ee ee 31 
Cerceris, a beetle-eating wasp__--~- 44 
@icadas) speriodicala—==—=—=——— 8 
Classification, two methods of____~ 37 
Glustered ‘colonies==="— 2222223 === 33 
Gocoons) openin=0f=== =) 42 
transportation of ____-__~ 21 
Colletes, social organization of_____~ 23 
Colonies, determinate and _ indeter- 
Min ates. Se = ee 33 
formation of new =-—-=== 8, 
21, 28, 29,32 
increase: Of = =~ 42> 11 
Misragiony OL == === 11, 15, 20 
not hostile==e===— === ss 14 
population of === s==>2_— ial, ab 
small, inactivity of —-___— 12, 42 
without queens: ==2===2=— 22 
Colony, compound indeterminate ori- 
fint Ofesas a eS 33 
new, foundation of ----__-_ 35 
new, from geographical 
Stand pointy === === 34 
Communities, large, not practicable_ 35 
Community, expansion of ——~_-~~—~-- 15 
Goncourse, use’ of term = ==]======== oe 
Coox, Mrs., observations of _____-- 45, 46 
Cotton) field, occupancy, of===—===== 29 
Cremastogaster leviuscula__————--~ iT 
lineolata eaten by 
Stenamma —__----— 36 
Gross-fertilization===—======"= 8, 10, 12, 32 
necessity of__—--- 35 
GRY PTOCERUD An ee 9 
Determinants, theory of—-__------- 26 
Dinoponera grandis _-____--_--___ aul 
Division On labore === === == 14 
TD YOM ZrOTU DVD) ee eS 29, 30 
Drivers. ==. = a 29, 30, 31, 46 
Ectatomma and Pachycondyla, differ- 
ences between_—--_---- 41 
as type of family __-_~- 37 
larva, description of___~ 38 
tuberculatum ____——~--+- 5 
HCPA OMMID Al == ee 38 
Eggs, adherence of _--_------___-_ 21 
carried by workers_————----- 18, 21 
