Paramera 29, 30 



Paranenrcl ns 148, 167, 172 



Paraponera 135; P. clarata 22, 421 



Parapsidal suture 21 



Parapsis 21 



Parasites, permanent social 495 



Parasitism, brood 405 ; hetercecious 405 : 

 homrecious 405 ; permanent social 

 440 ; pupillary 440 ; temporary social 

 440 ; tutelary 440 



Parasyscia 71, 72, 137, 233, 266; P. 

 augnsttc 226; P. pcringneyi 113 



Formula 385 



Parthenogenesis 71, of workers 116; re- 

 lation to polymorphism 87 ; relation to 

 sex 89 



Passiflora 299 



Paussidx 379, 399, 402 



Paitssoides 402 



Paussomorphus 402 



Paussus 400, 401, 402 ; P. arabicus 403 ; 

 P. cncitllatns 402 ; P. dama 399 ; P. 

 favieri 403 ; P. hova 399 ; P. liinuci 

 403 ; P. lineatus 403 ; P. spiniceps 399 ; 

 P. spheerocerus 402 ; P. tnrcicits 403 



Pedicel 26 



Pelodera janeti 420 



Pemphigus 347, 352 ; P. tessellatits 347, 



348, 359 



Pemphredon insigne 353 



Pcnicilliiim crustaceum 315 



Penis 29, 42 



Pentaplris 352 



Pentaplatarthrus 402 ; P. natalensis 399 



Periplaneta australasicc 262 



Petiole 26 



Phacota 139; P. noualhieri 432; P. 

 sicheli 432 



Phagocytes 49 



Pharynx 31, 32 



Phaseolus 299 



Pheidole 64, 74, 93, 98, 107, 108, 112, 

 115, 120, 125, 139, 140, 147, 174, 175, 

 182, 201, 254, 268, 276. 278, 350, 358, 

 377- 403. 513: Ph. absurda 420; Ph. 

 fiiitilleiisis 44, 263 ; Ph. borinqitenen- 

 sis 99 : Ph. calcns 427 ; Ph. carbonaria 

 279 ; Ph. ceres 279, 418, 497 : Ph. 

 coloradensis 279, 497 ; Ph. cominutata 

 420, 421, 426 : Ph. dentata 201 ; Ph. 

 desertorum 391; Ph. diffusa 269; Ph. 

 ecitonodora 44, 263 : Ph. flarcns 153, 

 154; Ph. instabilis 56, 77, 89, 279, 420, 

 415, 416. 418, 426 ; Ph. javana 310; 

 Ph. lamia 17, 212, 428, 429; Ph. longi- 

 ceps 276: Ph. mcgaccphala 10, 63, 153, 

 I 54. iSS. 221, 272 ; Ph. metallcscens 

 1 6 ; Ph. morrisi 201 ; Ph. pallidula 272, 

 393, 403 ; Ph. pilifera 152, 278, 497, 

 498 ; Ph. proi'idcns 269 ; Ph. sitarches 

 279; Ph. splcndiditla 16; Ph. tenin- 

 tobia 428; Ph. tysoni 152, 278: Ph. 



INDEX 659 



raslitti 279; Ph. rincinndica 152, 201, 



278, 418 



Pheidologctou 112, 140, 175, 268. 377, 

 524; P/z. antiquns 174; P/i. ocellifcr 

 2/5, 276 



Plieidolo.reiins whcelcri 419, 420 



PhciidL-occits 349 



Phoridae 419 



Phthisaner 95, 418 



Phthisergate 99, 418 



Phthisogyne 97, 418 



Phylacobiosis 429 



Phylogeny of subfamilies 244 



Phyracaces 137 



Physiological states 121 



Pilosity of ants 15 



Pi mis rigida 213 



Pith as food for ants 302 



Plagiocheilus 391 



Plagiolepidii 143 



Plagiolepis 35. 78, 99, 143. 148, 167. 341, 

 374, 391; P. custodiens 404: P. jou- 

 berti 365; P. longipes 10, 154, 155, 

 393 : P. pygmcca 39 ; P. trimcni 364, 

 365 



Plant ago 278 



Plant-lice n 



Plants injurious to ants 315 ; mynne- 

 cophilous 294 



Plastophora crawfordi 419 



Platyarthrus hoffmanscggi 383 



Platythyrca 73, 135, 151, 233; P. punc- 

 tata 80, 226 



Platymyschium 295 



Platyrhopalus 402 



Plectroctena 135 



Pleistocene ants 173 



Plerergate 99, 121 



Plesiobiosis 424 



Plcuropterus 400, 402; P. brericoruis 

 399 



Podomyrma 139, 172 



Podophylla 282 



Pogonomyrmex 16, 74, 80, 98, 107, 125, 



131, 140, 152, 189, 201, 268. 278, 279, 



282, 283, 341, 377, 382, 513, 514; P. 

 apache 283; P. badiits 151, 152, 201, 

 280, 283, 284. 285, 292 ; P. barbatns 

 ii, 85, 203, 222, 284, 286, 291. 292, 

 293, 427, 529; P. californiciis 188, 189, 

 200. 201, 284, 285, 290, 292; P. com- 

 anche 201, 284, 285, 292; P. cnnicii- 

 laris 283 ; P. desertoruni 282 ; P. mar- 

 fensis 284 ; P. molefaciens 24, 39, 40, 

 70, 76, 179, 197, 202, 203, 264, 275, 

 -77, 283, 284, 286, 287, 288, 290, 292, 

 293, 393, 394. 426, 513; P. nigresccus 

 284; P. occidentalis 10, n, 145, 196, 

 200, 202, 203, 204, 205, 222, 283, 284, 

 287, 289, 291, 425, 426 : P. ru go sits 



279, 280, 284. 285, 290 ; P. sinicti- 

 hyacinthi 283 ; P. snbdentatns 283 



Pogonoxenus 400, 412 



