xii 
neripive Rocks at Bedford, 
N. Y 
Involuntary Movements.......... 
Iowa Academy of Science........ 
Iron aar of Aone RRAIN 
trial from Missouri... 
Iso sods | Intestinal Cells of....... 
y Poison 
peo Fish, Fresh-water...... 
Jud -D. Economic Orni- 
asd and the Cat-Bird.. 
ENYON, F. C. Abstracts by, 
45, 71, 72, 78, 89, 155, 156, 
158, 235, 236, 245, 443, 464, 
Delarvat 
ptic rte Bee’s Brain.. 
Keratophyre near New Haven.. 
Kingsley, J. S. E. oe ot Sng 
Hai 
Loa ee ALUM 
e Wing F 
tikes assiz 
Lake Superior Rocks, Series of 
Lambdotherium, Relations of.. 
L’Annee Biologique................ 
arami rmation 
ped nage Rocks of Canada.... 
Lavas Hawaiia 
Lead ees Zinc of Iowa. 
Lee, W. T. Mosasaurid | Fro 
Colorado........5. 
Lepidocyrtus 
Lepidosiren, Species of....:...4:. 
Lepidoptera, Antenne of 
Lepidoptera, Colors of Scales of. 
TESIEN R a KATETI 
s.sessore 
pee) 
Br Hills, Mont., Rocks of. 
pasaia Ro ock, N 
OOO Ree OHO HEH HOO ee eee 
Eih 
Ee. Resuon Of. 
ife, Origin 
Little Rocky ie ta eo Petro- 
SOY OF riia Veco 
of Western America....... 
Lyman, T., Obituary of.. 
Lysimachia, Note on. ......+++++ 
PA CNETITES of Port Henry 
s.s.s, 
The American Naturalist. 
| Mead, G. 
Macropetalichthys, Characters 
o 
Malpighian Tubes of Orthop- 
tera 
Mammals of Costa Rica......... 
Mammals of Raleigh, N. C., 
237; 
sees teeeeene 
‘Flora and 
Mammoth in Alas 
pg a eaves 
Fau 
Marine Biologios Laboratory.. 
“eqn aS L. American Spring 
irain peat hy sa fieis 
Marsupials, 
Marten, sa reei 
Mason, ‘0. T. The fee epee 
Mathews, A. Scope and Posi 
tion of Biochemist i 
Matthews, W. D. Development 
of Foot in Paleeosynopine. 
s of New 
Gu uin : 
Mearns, 7 Z. _ Reithrodonto- 
yo . 
y, Origin obits: 
Mental Work, TAfects of. 
Mercer, 00 
Maler’s in 
+ 
ucatan 
Pile Structures of Seminole 
Explorations 
ndians see een eee 
Methods of er ieee 
Metric System in Botany......... 
await Glacial ea ae 
Micrococci. 
Micro 
Milk Supply, ber Sgro of.: 
Miller ts from 
eee eee ewww ee 
ew 
ei eesi: 
| Cephalic To 
nd Ancestry of V 
t ‘ee 
Missouri, poe n of 
Missouri Botanical Garden.....- 
Missourite 
Missouri, Terrestrial Iron from. 
Ne 
nee et eee eeneee 
Mole 
pore = GEE AE RRE 
bden . 
eee eee ee 
Mon y g 
Montana Petrography..........-.. 
[Vol. XXXI, 
