166 
Page 
LEPTOGENYI .......02...0005. 17 
LEPTOGENYS..........00.055 17 
—— famelica .............. 18 
—— mexicana .............. 18 
—— punctaticeps............ 17 
—— pusilla ................ 18 
Tt oo. eee eee ee eee 17 
TU cc ce ccc cece 18 
venatrix ..... cece eee 7 
LeptomyPMa voc ccccccccnes 64 
LEPTOTHORAX ...........055 54 
Leptothorax voc ccccccceeee 3, 188 
aculeatinodis........0+5. 55 
COSTATUS. 6. ee ce ees 56 
—— dalmast ......0.0 00000 55 
echinatinodis .......... 55 
echinatinodis ..........4. 56 
—- , Yace aculeatinodis .. 55 
— , race dalmasi ...... 55 
—— ——., var. pungentinodis.. 55 
,Yace spininodis .... 55 
— pittieri ..............., 56 
—— pungentinodis .......... 55 
sculptiventris, var. major.. 54 
—— SpINiNOdis ........466. 55, 56 
— stolli.................. 54 
—— tristani .............00, 56 
VICTNUS voce eccccecacece 56 
LIOMETOPUM .......-..005. 104 
Tiometopum occ cecscccccsees 98 
apiculatum ............ 104 
enstabile ..caecccscceee 107 
—— microcephalum .........+. 105 
vanthochroum ...e...08. 115 
Lobopelta wii cece cceeeees 17,18 
Famelica .... cece eae. 18 
MEVUCONA .iececceccaces 18 
——— usta wee cceccccaces 18 
MACROMISCHA ...........04. 56 
Macromischa ....... ccc cc caee 57 
CTESSONL . 1... 2. ee eee eee 56 
——. 8Allet eee cnc cues 57 
——salvini ..... se cteecneee 57 
——, var. obscurior...... 57 
Manica wo ceccccccccsaceees 63 
MEGALOMYRMEX ..........4. 57 
foreli ..... 0.0... eee eee 57 
modestus .........-..-5 58 
Meranoplus difformis ........ 40 
PUNCLICEPS 6. vec cerveee 47 
SEPIQEUS Coe cece eens 44 
Messor .... cee eeccecees 58, 59, 78 
Micromyrma melanocephala.,.. 101 
Moelleriu8 6... cece ewe vans 31 
f 
| 
i 
INDEX. 
Page 
Monacis bispinosa .......64665 98 
Monocombus .... 0.60.0 eee 129 
MONOMORIUM ..........4. 78, 160 
carbonarium............ 78 
-—— ———, race ebeninum .... 78 
—— ebeninum , 
—— floricola............,... 79 
—— minutum, race ebeninum.. 78 
—— pellucidum... occ ccveees 101 
——-pharaonis .......... 78, 160 
——  p@ctlum oo eee ccccaes 79 
SpecUulare ..ceeecvcveeas 79 
Mycocepurus ..... 60... cen 31, 36 
Myrmecia apicalis .........6.. 11 
emarginata ......40.0- 18 
—— hematoda ............4. 20 
hamata oo. icc ee cece 22 
hastata 26... ccc eee 19 
Myrmecium ... 6. cece ceees 63 
MYRMECOCYSTUS ............ 129 
hortus-deorum ...... wee. 129 
—— melliger............000. 180 
MEMIUGED oo. ce cvcccvccces 129 
—- , var. hortus-deorum,. 129 
—— MeXiCanus............0. 129 
MYRMELACHISTA ............ 124 
—— longinoda .............. 124 
zeledoni............0005 124 
Myf Mer occ ccc icc c ee ccc veces 86 
perbosett oo. cece eens 86 
MYRMICA ........ eee ee eee 63 
Myr mica woe ccc ceas 32, 35, 64 
barbata oo. e cea 61, 62 
—— californicad.......... vee. 68 
CAVDONAIIA.L 60. cc cae 78 
denticornts... 6. cee ceeee 63 
detritinodis oo... .0c cee 68 
Glaber eee ccc cc eens 79 
—— laevigata... 6. cee cece. 77 
lobicornts .... cece eeee 63 
—— melanocephala .......... 101 
molefaciens ........446.. 62 
pelluctda wie cece cece 101 
a 79 
——— _ reticulata wei ccecccccees 53 
——rubra...........-..00ee 63 
—— —, st. lobicornis ...... 63 
——- scabrinodis ..... 0000s, 63 
—— TEVONA oo c eee ee ees 33 
MYRBMICH ....... cece eee 52 
Myrmtett wi... cece eee eee 30 
MYRMIOCINE ....... 0.000000 30 
MYRMICOCRYPTA ............ 38 
—— dilacerata .............. 38 
—— dilacerata .... 0.0 c cues 39 
— , race cornuta ...... 38 
Page 
Myrmicocrypta godmani ...... 39 
GOUMANE. Loc cc cece eenes 38 
SQUAMOSH cers svevseees 39 
subnitida ............0. 39 
UNCINATA veers ceeceeees 39 
Nycteresta oo. ccc ces 22 
COCA Lie cece cece en ceeee 26 
Ochetomyrmer  auropunctatus, 
VAL. TUGOSUS oo. cee ee 54 
ODONTOMACHII............+- 18 
ODONTOMACHUS.......... 19, 159 
affinis.........-....00, 19 
— ,Tace panamensis.... 19 
—  chelifer ............ 19, 159 
Cheliferus oo. ccccccceves 19 
erythrocephalus.......... 21 
——— hematodes ............ 20 
— hematodes .......... 19, 21 
, race erythrocephalus 21 
—— ——,, var. hirsutiusculus.. 20 
, Trace tnsularis, var. 
hirsutiusculus..... 0. ceca 20 
, race laticeps 
—— ——.,, var. microcephalus.. 20 
-—— ——, race opaciventris 21, 159 
, race pubescens .... 21 
—— , race striativentris .. 21 
— , race theresi@ ..... . I9 
—— hastatus ............ 19, 159 
hirsutiusculus ......0.6. 20 
insularts, var. hirsutiusculus. 20 
laticeps 6.0... cca eeeaeee 21 
——_ martllaris. ccc. cceecaes 20 
——— pubescen8 ..... cc ceee ee 21 
striativentrts. oo... 6c ees 21 
Ticodoma ook ee cece ees 30 
abdominalis ............ 32 
—— ASPEVSH vei rccascrnces 34 
cephalotes ........seeees 32 
—— columb0ea ove ei ccc cece 33 
—— hystrie oo. cece eee ene 34 
-—— debastt oe cece caeee 33 
MEXICANA oc ccevceves .. 383 
FL 36 
——— FUYOSA eee ccceceeee 36 
SELAENEALA. 2. ee eee 32 
CCETONA vee cece eee anes 33 
Ccophthora ....... cece eee 64 
SL 76 
PACHYCONDYLA ... 0.00008 10, 159 
—— emnescens .......... eos. 10 
apicalis ............ 11, 159 
—— carinulata ...,......0. ». Ll 
, race azteca ........ 11 
