718 
umbratus (Coluber), i. 
230. 
umbratus 
tus), i. 224, 231. 
undecimstriata (Epictia), 
i. 63. 
oh peer 
eaclectinitelatins (Typh- 
lops), i. 63. 
undulata (Rhadinwa), ii. 
174; iii. 635. 
undulatus (Atropos), iii. 
565. 
undulatus (Bothrops), iii. 
565. 
undulatus (Coluber), iii. 
174. 
undulatus (Dromicus), ii. 
1 
undulatus (Lachesis), iii. 
565 
undulatus (Ophryacus), 
iii. 565. 
undulatus (Teleuraspis), 
iii. 565. 
undulatus Ne aa 
pbalus), iii. 
Ungalia, i. 110. 
Ungaliophis, i. 114. 
unguiculata ner 
rhis), iii. 1 
unguirostris (Onychoce- 
phalus), i. 49. 
or shy Phlope) 
49 ; iii. 
etacles (Amblyodipsas), 
iii. 245. 
unicolor (Bosdon), i. 
unicolor (Calamaria), iii, 
245. 
unicolor ug ieee 
iii. 
unicolor (Cerberus), iii. 
16. 
unicolor (Crotalus), iii. 
574. 
unicolor (Dipsadoboa), 
iii. 81. 
unicolor (Dromicus), ii 
unicolor (Fordonia), iii. 
unicolor (Geophis), ii, 
unicolor (Leptocalamus), 
ii, 250. 
unicolor (Lycodon), i. 
352. 
unicolor (Naja), iii. 380. 
unicolor (Rachiodon), ii. 
355, 
ALPHABETICAL INDEX, 
unicolor (Xenopeltis), i. 
168, 334 
, 
unilineatus aides 
phalus), i. 15. 
unilineatus (Typhlops), 
i. 15. 
unimaculata (Mytilia), i. 
141 
uniteniatus (Letheobia), 
i. 55. 
uniteniatus (Typhlops), 
i. 55; iii. re . 
univirgata (Oallophis), 
iii. 598. ‘ 
univirgatus (Hlaps), iii. 
398. 
univittatum (Rabdo- 
soma), ii. 
Upérolissiens, i. 187. 
upsilon (Sibon), iii. 55. 
rs hays ai rec 
iii. 
Michi? iii. 372. 
Uranops, i. 272. 
Uriechis, iii. 235. 
Urobelus, iii. 249, 
Uromacer, ii. 115. 
Uropeltacea, i. 137. 
Uropeltide, i, 137. 
Uropeltis, i. 132, 144, 
Uropsophus, iii. ‘572. 
ee (Atheetulla), ii. 
urostictus (Leptophis), ii. 
115, . 
Urotheea, i ii. 180. 
ursinii (Pelias), iii. 473, 
ursinii (Vipera), iii. 473. 
urutu (Bothrops), iii. 
542. 
usta (Natrix), i i. 239. 
ustus (Tropidonotus), i. 
238. 
vagrans § (Kutainia), - i, 
; iii, 600, 
vagrans (‘Thamnophis), 
iii. 
be i aoe (r0 sr onotus), 
vagus a hookceusit iii. 
saad sei. iii. 462. 
vagus Nabespes 
ili. 
vaillanti (Calamelaps), 
iii, 249. 
vaillanti (Elaposchema), 
iii, 249. 
vaillanti (Micrelaps), iii. 
249. 
—— (Simotes), ii, 
valakadien age 
iii, 802. 
valakadyn (Hydrus), ii 
= (Virginia), ii, 
vande (Dipsas), iii. 78. 
valida (Natrix), i. 287. 
valida (Regina), i. 237. 
validus ( idonotus), 
i. 237 ; iii. 605. / 
varia (Echis), iii. 505, 
at (Calamaria), ii, 
variabilis (Coluber), ii. 
variabilis (Fordonia), iii. 
variabilis (Helicops), i. 
variabilis (Hemigenius 
i 008, ae 
variabilis ( wom 4 
lax), iii. 1 
variabilis (Spilotes), ii. 
variabilis (Stenophis), iii. 
43. 
variabilis (Tretanorhi- 
nus), i. 282; iii. 610. 
variabilis (Trimerorhi- 
nus), iii. 140. 
variabilis (Tropidonotus), 
iii. 606. 
varians (Oonopsis), ii. 
268. 0 
Varians ius), iii, 
rn Pic ), i 
varians rhina), ii, 
268. 
variegata (Alecto), _ iii. 
348. 
— (Dipsas), iii. 
ie a (Ficimia), ii, 
aS eee 
vangata (Megera), iii, 
variegata (Morelia), i. 82. 
is igs (Parias), iii. 
variegatum (Alopecion) 
ig ete cas 
variegatum A ee 
pon), ii. 
variegatum (Homalo- 
soma), ii, 276, 
