CONTENTS 
A Preliminary Report on the Uniondae of St. Joseph River.— 
ETO CIS AVY CNUNIANG CY ea a ts ee ee Se ee & 
Notes on the Genus Atrypa, with Descriptions of New Species— 
Clement L. Webster, M. SEY ae ES 13 
The Winters of North-Central Iowa.—Howard Clark Brown__-_~-~ 21 
Birds Observed at Rum Village on October 7, 1920—Brother 
PAS TOEI NIU STS Gc Ser yo re ee 26 
Indiana Audubon Society—F rank C. Evans___-_-----------------+--- 28 
Some Species of Podosemum—Benjamin Franklin Bush ___--------~ 29 
Mondo, Adans—Oliver Atkins: Farwell. 22" 39 on ea 41 
Plants of Fargo, North Dakota, with Dates of Flowering—0O. A. 
SSE CURCIU Se a0 ees ek oh Spe 2 ee eo he 54 
Bird Migration Record—Brother Alphonsus, C. S. C.___._---~------- 63 
Fall and Winter Birds of Northfield, Minnesota, 1920-1921— 
Se WW OTN Clee. tes ee. Ros ied oe ee a ee el eee 69 
A Survey of the Naturalistic Periodical Literature of America— 
Howera Cloris “BTOoeuns = 25 5 eee ee ee 74 
Plants of Fargo, North Dakota, with Dates of Flowering—0O. A. 
EME CNS ters Cue ein LFA a SE IS Eo ee eee 719 
The Origin and Development of the Earth—CarroH Lane Fenton__101 
Nomenclatorial Notes on Certain American Plants I.—Homer 
DET OUWS Con ee anes NSS eee eB 126 
Plants of Fargo, North Dakota, with Dates of Flowering—O. A._-__-- 
OCTETS r aRMOa ES SE 1 a Se ea oie Ae A Nd, Sa eRe ade Ss AP SUEY 8 2:5 7 135 
Albino Robins at Notre Dame—Brother Alphonsus, C. S. C..-----_- 157 
Recent Botanical Publications from the United States National 
Museumi~— i Weo Hola ak nS ea eS ee ee 165 
Notes on the Habits of the Soft-Shell Turtlek—Amyda Mutica— 
Up ate ahora ONE a AREY a RC (Seite eee NSS ASE rE AE Pee renee aE AEST 2M 180 
Book Reviews—Carroll Lane Fenton____-__-___. _---_--_-_-____ 159, 185 
