1891.] 
Hat Creek Bad Lands, J. S. Kingsley, | 
Hatschek’s Interpretation of the Anne- 
i hophore, 1137. 
li 
Haworth, E., Age ate One of th 
Cryst ‘dies: Rocks of Missouri, 
Hayden Memorial Geological Medal, 
1039. 
Hay, wie | Note on Gyrinophilus mac- 
icaudus Cope, 1133. 
dak: p Certain Mammals, 
1040. 
Hyde. 
Heidenhain, M., Dr., 
Hekaterobranchus, 280. 
eleopera 
ia of Hydra, E. B. Wilson, 
418 
p R e nena irs 669. 
tropidole 59. 
Hinto i paenga W. W. Bailey, 
Hennegny’s Methods with Pelagic Fish- 
, 86. 
maphroditism i in ‘a a 487. 
a E 
= Development of the 
can Lobster, 672. 
enophthalmus anit | 
Heteroptera of ‘Tenn | 
Hill, R. T., Notes on the gi of | 
Western Texas, | 
p enes s eer siekisde 677, 
ippod , 
Hip ia converge 
Histological Methods in es ISe 
Hist of Garden Vegetables (con- | 
peera 2 Sturtevant, 694, 801. 
Hohmannite, 
Holodon, 600. 
Homunculus pat agonicus, 1000. 
Hopley, C., Observations on a Remark- 
able Development in the Mud- 
487. 
Hop: , 925. 
Hornblende, '831. 
Horn Fl 4. 
y: 
Host-Plants of Aphididæ, 1140. 
Know Grasses 
How to y their Leaves, 
5i. 
Human Remains of the Quaternary 
; 764. 
in Spain, 767. 
Human Stirpicult 
rn w 
J. The parative 
pd ai of the Font S 1055. 
index. 
| Infusore, n ‘es 
XV 
Protoplasmic emt 876. 
Humming-Bird’s Tongue, 1020. 
js oth e, 871. 
Huronian, The Name, 651. 
Huas ree nguage, 504. 
Siveit a and — on Insecta, 358. 
Hyatt’s Insects, 42. 
Hybodus delabecki, 278, 365. 
Hyde, J. or otes on the Hearts of 
gr n Mammals, 861. 
Hydra 
Hydra faa 1027. 
oe ai 
8, 1027. 
Hyla Dieii, 754. 
p ane s aaa 
Hyperplatys ye asperus, Say, 168. 
Hypnotism, 170, 183. 
[CHTHYEREPETUM hibernicum,1128 
ichthyosaurus, A New, 1123 
fekthyosourue burgundit, 1123. 
[chthy ocrinus con 
Imenite 
ndependence Shales, 1127, 
ndex to North American _Mycological 
Literature, 151. 
oS ee ey 
to Recent 
Literat ure, 1 
Indiana sine my of ees 186, 299. 
168. 
| Indiana faaie Notes 
arewan of Rocks, 824. 
Industrial pr am pate} Society of Ala- 
l ee 
| Influence of pote E on the Trans- 
piration of Plants, 152 
0 
EER of Central Africa, 54. 
owa, 168. 
Instinct, in Animals, Imperfect, Han- 
ock, 384. 
internacional Congress of Archelogy 
and Prehistoric Ethnology, 387, 
499, 587, 675, _ 840, 1031. 
Geological Cong , 1891, 808, 
Iron Ore District of East Texas, 910. 
es, 831. 
Island of Mindoro, J. B. Steere, 1041. 
Tsophyllia dipsacea, 380. 
Ittnerite, 663. 
R. T., The Mechanical 
Origin of Structure’ in Keegan 
illustrated 
Journal of Pemeaeare Neurology, 510. 
Jurassic Fish, 278. 
JACHOOR, i 
