| INDEX TO VOL XVIII. 
Abbott, Charles C., res chaniai of burrow: 
: crayfish designed? 
i 157- 
; Carolina dane a year of 
š its life, 
f recent studies of the spade- 
foot toad, 't075- 
Abyla pentagona, 198. 
é \canthephyra, 642.. 
Acrza thalia, 299. A 
Adams, Mount, 221. 
Adapis, 283. 
A pess 287. 
Æ 
Africa, explorations i in, 53, 56, 175, 277, 29» 405, 
520, 713, 811, 916, 1030, 1033, T : 
y Cent » 1133- 
= Agælæus phænicens, 
| Aganacanthus striatulus, 819 
i Agaphelus gibbo: ons ae 
x gassiz, Lak 
i Agate, 611. 
Aglossa pi oe 542. 
i addeaggd 
ocheerus, 282 
Altalirite, 9° 
nanie ga 
À ama, colo f, 112 
: Albumen oe ‘hess va 
ca "ce 
7 Aldrich, Charles, cat story, 550. 
: n the red-winged black- 
4 bir 
= Aleposomus ees ms fi 
gorog xylina 
ert, the Zoclogy of, 1278. 
_ Algæ, mo g fluid for, 749- 
Algiers Bee : ches 
eo (e) 20. 
Allaktite, ts si 
Allanite, 1038. 
m, 1145. 
~ Ambi: yctonus sinuosus, 262. 
“Amblyops is spelzus, 272. 
Amb! goede, 791, 793, 800, ITTO, 1192. 
Amblystegium serpens var. barberi, 822. 
oma mexicanum "38. 
_punctatum, 152. 
n Associatic ar for the 
nri Soy ss 
America, 12 
Advancement of 
Central, insects of, 428. 
hical discovery in, 52, 521, 
North, — area of, 755- 
h, elevati! 180. 
ey 5: 
pia 
onites, oldest yet observed, 850. 
Ammophiiz curtisii, 423. 
Amnico rata, 852 
Andalusite, 619. 
Anders, J. M., exhalation of ozone by flower- 
ing plants, 337, 470 
Animals, actio aed — on salts contained 
in m peer 
mestication of, 318 
emote sg ag culties of, 1166. 
o! 
tea ing them to talk, 441. 
Anisodexis p icarius, 36. 
Anisonchus pr oy 5795, 803- 
g! 
Anisopteryx pometaria, 
Annelid, larval, 305. 
ip aR, 619 
paee pata 59, 335° 
es, 1047, 
: ” chlo trophy i in, 537- 
phis, formation of eggs in, 168. 
pioni idæ, 237 37- 
„pis melli 165. 
Trapt coniferaria, 933- 
oe obin in blood of, 93. 
> > d on ee Nas ie ee 
> 
t- 
a 
B83 
2S o 
ans ro gS 
B 
o 
He 
oO 
fe 
D 
> b> > > > b > > 
ia! 
44. 
a eae ha of, 1153. 
ve, 202. 
\ral, 919. 
\ramiges fulleri, 1270- 
sage 529. 
4. 
ti 
iretic ne = : a or 
cen us Sopa: Ho ia, 99 
igy r Duke of, unity of atthe 807- 
\rmadilio, 
rmy worm, food plants ot, Se s 
rrhe esis tern shores I 
body compared with 
hy bp 
p 2 FEE 
Asbestos, 15. 5 
myc 1148 
rations | in, si 56, 172, 497, 519, 917s 
Astra 
Atavism, 542- 
Ateles, 469- 
