INDEX. 811 
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Homalota diffinig ............ 178 Homalota sordidula .......... 185 Hydrocanthus texanus........ 7 
-Giscrepans..... 0.02.00 0s 191 sordidula oo. ceec ec eeeee 186 Hydrochare wiccece cece enes 61 
AISCrEPAN8 . 6. see es 192, 278 spergula ..........0005 179 | Hyprocnaris .......... 61, 764 
dissimilis .............. 173 terminicornis .......... 183 -perfectus .......... 61, 764 
€vanescenS 2.6... cee. 177 LESLACEUPES 66. ee cece eae 249 HYDROCHUS ...........00 00s 89 
CUANESCENS oo eee sees canes 178 thoracica .......0..62.. 188 HTydrochus .. 0. cee ces re. 84 
CLI eee cece ees 177 trisignata ........ seeee. 194 debilis ..............., 89 
—— flavicauda.............. 189 —— trisignata oo cece cece 195 devs... eee eee 90 
FVAGUus occ cece ues 173 Vexata oo... cece cece eee 176 ObscuruS ..........000. 90 
—— fungt oor... 185, 203, 205, 224 wanthoptera ..., 163,175,179 PUPIPCS voce cvvevcvcnces 89 
godmani .............. 193 Homocotarsus....c ee ecces 506, 507 HyDROCOMBUS.......... 70, 764 
GVEGATUA oe eecccccveees 173 HOPpLANDRIA,....... .+.. 219,779 Hydrocombus oo... 0. cece 66, 71 
—— guatemale ............ 175 HHoplandria oo... cece. 214, 222 brevicollis............4. 71 
——— quatemal@. oo cece ceees 176 ATQUtA Lee eee ee cee 779 fraterculus ........ 71, 764 
heterocera.............. 180 —— brevicollis .............. 220 politus ........... reves 72 
heterocera ........0. 182, 183 brevicollis ..........008. 221 HivyDROPHILIDE ..........0. 53 
hirtiventris ............ 187 —— debilis ................ 224 HYDROPHILUS .......... 54, 761 
hospta .icvaccccceceees 205 digna..... a rn 220 HHydrophilus .. 6. cece 61 
ANCOGNUA wevvecccececes 175 I 221 aprcipalpts. 6... eee cee 55 
intermedia... .ececcceces 184 flavicans ..........000. 222 ater oo. e eee eee 54, 761 
jugicola.............6.. 186 | ~—gemina ............ wee. 219 brasilienst8....... 00.000. 54 
——_ fugicol vce cevcccceues 187 lugubris.............00% 223 collarts .......04 reseeee 55 
LacryMO8A . 1. eee eens 154 —— peltata .........ec eee 223 Gorsats ... eee eee a ee 7638 
— lewticula..............6. 189 PICEA Lecce e cece e eee 9921 CSEIUALUS ec eee nee 97 
—— letioula ..... cc cece cee. 190 PUA vo eee e cee cece eee 921 insularig .............. 54 
—— leviventris.....0..00.04. 195 vestita oo. cece eee eeeees 299 lateralis... .. 0.0.00. 60, 763 
langwidd .....ceeeeeeee 291 | Hopnomicra ...........005 273 | ——lambalis....... 0.000000, 763 
leucoptera............0- 182 —— clavicornis...... eeceees 274. | ——nimbatus ......... 6008, 60 
— libera....... cc cee ee 175 HIYDATICUS ....0cccevee 43, 758 ——. pilater cece rete eee sene 54 
longicornts.......00. 181, 182 —— amazonicus, var.P ...... 758 pollens Coe e eee cree eeees 762 
—— longifrons .............. 178 Jlavo-maculatus ........ 45 SUBCUPLEUS. oe eee cece ee 64 
longipennig ............ 190 MAYMOPALUS ose e eevee 45 SUBIEVIS vo. eee eee eee 763 
longipennts ......eceeee 191 VIMOSUS ..... eee ee eee 43 triangularis ............ 54 
—— macrocera........ eae 188 subfasciatus ............ 43 violaceo-nitens.......... 762 
—— mollis ......cee cece eee 191 | HYDRaNA..... cc cece cee eeee 93 | Hyproporus .......... 28, 754 
—— montium .............. 186 brevis ...... eee eee eee 94 | Hydroporus ..........4. 19, 26, 27 
——— MONTIWM veer ecvrereaee 187 | —— longicollis.............. 93 addendus ...........eee 754 
—-mundula .............. 187 longicollis ..... cece eevee 94. adumbratus .......44. 25, 26 
NUT ce cceccnce 179, 180 —— puncticollis ............ 93 —— equinoctialis ...... 27, 28, 30 
——_ MMU eee cece . 204 —— puncticollis ....cscveues 94 AGNES rei erevevenee 23, 24 
——ornmatula .............. 779 | ——sordida ...........00005 94 ApicatUs.. ses eveceee ... 20 
—— pavens ...... cee cence 173 HYDROBIUS .......... .. 64,764 | ——axillaris............... » 755 
—— pectoralis .............. 177 Hydrobius .icceecccceevees 61, 62 bifidus ...,...... ne 30 
perdita .........e eee eee 182 armatus............ 64,764 | —— bryanstonit ..........4. 18 
perdita wesceccceces 183, 184 debilis ........6- ,. 66, 764 CATADUS 6... cece ee ceeees 26 
| 0) 8: ¢: 195 | ——limbatus ...........00. 65 Charlottit ........e0 eee, 23 
—— puberula cv iveeccccccees 196 | ——subcupreus ........ 64, 764 ——civicus ....... vee cenens 755 
-—— pumila ................ 186 —— subcupreus. .... cere. vee 65 — COYVINUS vee sees eee e eee 754 
—— questicula .....,...... 188 | HyDROCANTHUS .,......006. 7 —— decemsignatus .......... 29 
—— rufiventris.............. 193 | Hydrocanthus ......0.60. ro. 295 — decemsignatus ........ 28, 30 
—— sall@i........00....000, 183 atripennis............5. 7 —— emilianus ...... en 23 
BCAPULATIS Wo. c eee ceeeeee 180 ——debilis ....,.....005. pe Bf a CHIQUUS Wo eee eee 21 
semiobscura .....-...4.. 179 UNGICUS vo cesevneceeens (7 eee LE LL 22 
—— sobrina....... eweewees .. 185 | —— lavigatus .........5. we 7 | of USCALUS ss vere eeeecenee 24 
Socialis... se... ee. sevens 204 Vineatus ..cccvevccees ven 6 | Goudottt ... eevee eran, 21 
~— sodalis. ..svssseee veeees 185 —— marmoratus .......7. we B — JPANUM vivreveeccccecee 19 
