

1891.] 
Interference Colors, 927. 
Inte agt Relations 
e Archean of Central ceonts, 
International pie toe of Geologists at 
ington, 461 
T a ry Germ-Layers in Ro- 
Invert ebrate Fossils -m Mexico, 768. 
e, 358. 
Investigators in 
Iris pseudacoru 1081. 
Iron Ores of Minnesota, 669. 
arer Beach, 9 
Ischæ 
lioika 8, at i 
Isomorphism of the Oxides of Metals 
with ie Cabrébpeedl ng Sul- 
phides, 1194. 
fee depressa M. and W., 956. 
ian Protectorate, 264. 
aoe 530. 
Izacanthus celospondylus, 604. 
ACKSON, Review of Dall on 
Daca ea ted of Evolution, — 
924. 
bie of A at 1132 
ws 
ing Test, 9738. 
elations of Mental Phe-- 
nomena, 1207. 
Johnson, zen of Atropin on the 
Chord: 8 
« How 
Bessey, 258 
Johnstrupite, 575. 
Juglans rhamnoides, 564. 

rugosa, : 
Julin, Ch., Culture of the Larve of 
Ascidians, Worms, Echinoderms, 
ete., 1217. 
Jurassic Beds of the Himalayas, 278. 
Fossils, 167. 
News, 956. 
Pisolite from England, 362. 
Formation (Africa), 664. 
met). 
Kellisott, "D. E, A ateti Moth, 971. 
Kellogg, A.. The West Ame rican Oaks, 
1056. 
Kellogg, J. S., Kidney of Amblystoma, 
969. 
Keyes, Genesis of the Actinocrinide, 
243. : 
and Taxono of 
Index. 

157. 
Knees of the Texodaim distichum, 
333. 
xix 
Review of the Progress of Ameri- 
can Invertebrate ee for 
the Year 1889, 
The Naticoid aans Strophostylus, 
Kidney of Amblystoma, 969. 
oe ire 1078. 
enberg, Notice of Death, 114. 
Kingsley, Note o 
togen 
439, 537, 1087, j 
R. 
H. Lamborn, ¢ 
meaa b e 362. 
Kobellite, 670. 
a. dubusii, Neg 
ne, 
| Kronfeld, M it ES of the Grape, 
| Kuntz, Game in the U. S. Nat. Mus., 855. 
| 
oids and Other Prob- | 

| [Ae CERTA muralis, 752. 
Læm presi agp eres 1204. 
Lake Bonnevi 
Fsgouetimar) ry 
Leopold, 660. 
Rudolph, 265. 
Tanganyika, 263. 
eens Knees of the Taxodium dis- 
, 333. 
Lam Direka 476. 
ba a 867. 
Lankester, 1 E Ray, 
Note 
n Prof. Datos utschli’s Experi- 
mien Imitation of Protoplasmic 
, 492. 
Lapparent’s Course in Mineralogy, 554. 
Lat poly us, 77. 
Latonia obtusata, 
Lavatara, 220. 
Lavenite, 573. 
Laxicole, 76. 
zenby, W. R., Crystals in Certain 
Species of ‘the Arum Family, 962. 
Two Forms of Ampe 
lia, 
Tupu 
os 

Lepida 
olivacea, 487. 
