INDEX. 
[Names in small capitals refer to Families, &c.; those in roman.type to the chief reference to each species included in the work; 
those in italics to species incidentally mentioned, synonyms, &e.] 
Page Page Page 
ABLABES ..e ec cee eae ceeeees 104 Amblystoma altimirani ...... 297 | Anolis binotatus ............ 50 
— decipiens .............. 105 —— mexicanum ...... .. 295,296 | —— biporcatus........ veseee 02 
——_ eCtptenS veer sccsveee 168 ——tigrinum ........ ee eeee 295 | —— biporcatus ......... tenes 47 
gracilis .......... 0.000 104 Ambyostoma californiense .... 295 BOUT GRE vic eeecccccees 48 
serperaster .......ce0ee 105 Ambystoma tigrinum ......6. 295 -bourgeaui ......... veeee 48 
sumichrasti ........ wee. 105 weismanni...... veceeees 295 — bouviert .......4. veseees 45 
ABIONIG ooo cece cece cece 3D | AMBEIVA........c cece ec eeeee 22 bransfordii ........... » 45 
1) 1 re 35 —— CV ACANHA,L Lo eee cece 25 | ——capito........ cosveveses 82 
VASCONCELOSE ... eee cece 37 edwardstt .....ccceeeees 24 CATNEUS 6... evens seveee 52 
Acaltetepon ..... cece eee eees 43 eutropid........ veces 24 | ——chrysolepis ............ 52 
Achivhind oo. ccc ccc ceees 95 —— festiva ..............- . 24 concolor........... vevee 48 
defilippit oo. cc ieee e eens 95 | ——gabbiana ............. . 23 COPEL vec eascvsecvacee .. 47 
Acrodyts occ. ceeeeeeeceeee 260 GJULALA vecvececereseces 22 —— copli ........ teececeeee AZ 
Adelophis copet ....cecceevees 136 PVASIGNA .icscecvecesse 22 — crassulus ....... seeceee 50 
Adelphicos ....... cece eecnnes 94 Presignis ....... we eeeee 22 | ——cumingii ....... nee 50 
quadrivirgatum ...... ». 94 PUT vevsvccvccerenes 23 | —— cupreus......... veeeeee 50 
ADELPHICUS ..........000005 94 —— quadrilineata ...... wee. 24 | ——cymbops ........ be eeee 48 
—— quadrivirgatus .......... 94 SCL-TNCALA eee sevens 25 cynocephalus ....... Sees 45 
AGALYCHNIS........0.e0eeee 289 surinamensis............ 22 Mollfustanus .....seeeees 50 
Agalychnts ..... 0. ccc ce eeeee 286 SUTINAMENSIS . 6... eee eee 22 | —— gibbiceps ..........0... 46 
callidryas Lecce eececeves 990 — undulata .............. 23 godmani cree ere roe eees 51 
—— dacnicolor.............. 291 —— undulata ....cceceeeee, 24 —— guentheri ......... veoee 46 
helenze .........cceecee 291 —— vulgaris .......... oe «22,28 —— JUNEHETE oe eee ce ceees 46 
lemur.........cecceecee 291 AMPHISBAINA ...ccecceeeeee 31 — heliactin ....3......... 48 
moreletii ........ peeves 289 fuliginosa ............4. 31 hoffmanni ........ peeeee 50 
Agama collaris ..........00es 59 AMPHISBAINIDAD ......0000.. 30 — humilis ................ 50 
COYNULA . occ cece ce uwace 79 ANADIA oe ee ccc cece eececeees 30 INSIQNIS ............000, 47 
—— cristata -.........055. .. «OOS metallica ...........00. 30 —— intermedius ............ 49 
COTQUALA vee cece ceca 66 Anaxyrus melancholicus ...... 245 JACODE Lee ccc ece ce ceuee 49 
—— undulata .......0-.055. 67 ANCISTRODON ..........002- 186 —— leviventris ............ 49 
Agkistrodon ......cccvceccee 186 bilineatus .............. 186 laticeps ..... ccc cee ease 47 
Ahetulla diplotropis....... ... 180 ANELYTROPIDA ......... oe. 83 —— latifrons..............., 47 
MELICANA sevccucucceces 129 ANELYTROPSIS........ sees 33 —— lemurinus .............. 52 
MOESEA ... 0. cc cccececes 129 papillosus .............. 34 —— limifrons .............. 45 
occidentalis ......eec00 129 ANGUIDE woe cece cece eee 34 | —— metallicus.............. 51 
7 .. 180 Angurs ventralis, .... deve ceces 35 ——microtus .............. 47 
ALLIGATOR ...ccseeeeeeeeee 21 Anholodon ......ee....e0004. 14 —— nannodes .........0444. 49 
ChIAPASTUS 6... ce eevee 21 MAKANU vce ccsccevee sens 141 | ——nebuloides.............. 49 
lacordatret... 0. cee eee es 21 ANOLIS woe. cee eee e eects 44 -—— nebulosus .............. 49 
punctulatus .......... .. 21 AMNONS cece eee eee eee 62 —— nebulosts ....... cece 45 
Amblymetopon ........000 00. 98 aureolus..........20000- 45 —— nummifer oo. .cccccceees 52 
VAN VEYALUM ve cee ce sense 98 —— baccatus .............. 46 | —— obtusirostris ............ 52 
AMBLYSTOMA .......eeeeeee 295 —— beckeri ........00..000. 45 | ——ordinatus ..........04.. 45 
