CONTENTS: 
er Bacteria and their Relation to nag Se wee Theobald Smith . ... 1 
Popul rd to 
r Errors in regar the Eskimos. . Fohn Murdoch .... 9 
ke Senie. of Sex. [Ilustrated.] ek Ree es Julius Nelson . 16, 138, 219 
oe ion of a New Species of Dipodomys, with 
e Account of its Habits. [Tllustrated.] . sh Sphens ET 42 
History of Garden Vegetables 275 i Ar ee Te, £. Lewis Sturtevant 49, 
125, 321, 433, 520, 701, $26, 
993; 975 
More about the Sw Honen o e ae a S. Lockwoo 
The Taconic Question Restated sil E a T. Sterry ini 114, 238, aie 
Toe Bast Greeslanders (i woes jacks ao ecw a Fohn Mur 133 
The Massasauga and its Habits. ........., Q; P; H she Nien Vey 211 
Notes on the Glaciation of the Pacific Coas G F. Writ (os es: 250 
Notes on the Life-History of fr Fase ss pap the 
est. Indian Seal... [IHnstrated. h i oni bbe Ward gaiso T 
` On Oviposition and Nursin ng in the Batrachian Genus 
Dendrobates.  FINushniea f: a Ea wee ats Herbert H. Smith . . . 307 
Metschnikoff on Germ-Layers. [Illustrated.] . . . Æ. V. Wilson... 334419 
The Origin of a Small Race of Turke Res erne ss Fohn Dean Caton å 
Sonnets: Cactus—-Parnassia . <. e 4 + ee e la Emily Shaw Forman. . 354 
The Present Condition of the Natural Sciences in 
CE e ey ane Fe ah WS ag ele ray oe Filop Trybom: y a as 409 
aa aSa a P latipes) vie eae! sie S F. McNair Wright. . . 415 
The Mesozoic and pages! Realms of the Interior 
Me ett ADEA r ooa ey ie ee s Edward D. Cope. . . . 445 
Araujia albens a Moth Trap. FS sic tae ak a . Stearns . . 501 
Biological sorbate hey. in Univers rer et ante lar end Charles pe Whitman . 507 
Review of the fin ae of North mialas Palæon- 
toloey or he Ye IS. n. o n aea hua heen rig Marcou . 532 
The Dipnoan aa [Illustrated. Fg ee a 544 
Se ae ee a ween eh Pua fee 
The Mikve Sigrit ia ak Cmte ig e os Joseph F. Fames. . . . 605 
Methods of Instruction in General Geology . <H. S. Wilnoms ; >- -010 
The Range -18 bn tion of h Human Shoulder- ? 
Blade. [Illustrated]. . o eei a e e Thomas Dwight . . . . 627 
Incised tid Boulders i in the Upper Minnesota Valley. [Il- 
MN a a NS Leons: oe 639 
Notes on the Ethnology of the Congo. oo a. Walter Tough sig ee a A 689 
Notes o n Classification and Nomenclature for the 
1 Geological See 
; Gaon We eC ee N. H. Winchell . . . . 693 
Conventional i in Ancient American Art. [IHus- 
PEOL S Sg a T aa Y S. Kingsley. . + 13 
Comparative e Chemistry of Higher and Lower Plants. 3 
Me Lo : ae Ae =e St ee ee ae Helen C. ` De S. Abbett 19, B00 cau 
ess Romina _Littustrated.) liao Ey R.C.A - 730, 885, 1076 
Scientife F Fact and Scientific Inference... .. M. W. so Pa oie 
Instructi in Geological Investigation. [Mustrated.] William Morris Davis . ‘810 a 
The Stoay ofa ‘and Isol ated Community in the a) 
e he ee AID a Oe T. Wesley Mills : . . . 875 
