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HURTER,g JULIUS, and JOHN K. STRECKER, Jr, The 
Amphibfans and Reptiles of i riirase ek sas 19 
TRELEASE, WILLIAM, Mexican Asaves Known as Zapupe gi 
BRANSON, E.B., Fauna of Residuary Auburn Chert 
of Lincoln County, Missourisecessccucscrecesecece 15 
EWING, H.E., New North American Acarindegerqeece dg 
VOLUME XIX f 180 
NIPHER, FRANCIS E., Nature of Electric Discharge al 
RAU, PHILIP, Observations on Samia Cecropia Linn 29 
PHILLIPS, FRANK J., Hail Injury on Forest Trees. 9 
NIPHER, FRANCIS E., Nature of Blectric Discharge a a 
STRECKER, JOHN K., JR., Studies in N. American 
Bahra chpeoey ix. sd esscesceeesees ess eoeseece | oF 
ALT, ADOLPH, Histology of Eye of Typhlotriton 
Spelaeus from Marble Ca Sy, MO sos 0s 6060600 cee ti ees 15 
PALMER, ERNEST J., Flora of the Grand Falls Chert 
PEt boas 9p ee Eran air Aer se Sa PRTC re ea wee Ee Se ae ee ng Ge ay 
EWING, Hebe, New Acarina from INGA vc acs 00 4a Coes aE 
KEYES, CHARLES R., The Guadalupan Series, etc. ) 
Abundance of Metcorites on Painted Desertececes 29 
TURNER, CHARLES H., Ecological Notes on Cladocera 
and Copepoda, OU gio ok ob a ok ee RCS rd 
VOLUME XX oeT7 
NIPHER, FRANCIS poe Nature of the Electric Dis- 
cha ares ee @eeeereeeaeeseeeeerseveene a ay 
THOMPSON, CHARLES “HENRY, Rey New Plants from Mexico 11 
DRUSHEL, J. ANDREW, Studies in Glacial Geolory, 
Ui. Tonite and Viti h iy oc cd cc waws hess hs baees 12: 
aa a DDUWND Aw, Ficurate MiNnve TS. sso Kes de oes 20 
URTER , JULIUS, SR., Herpetology of Missouri.sec. 216 
ae PHIL, Sexual Selection Experiments in ) 
Cocropia Re ee a ee ae 47 
Further Observations on Samia Cecropian Linneese.) 
VOLUME XXI v7 
EWING, H.E., Origin and se mieuates of Parasitism 
in AGOY1 hiss sac 0s 008s 6 ks % 86 ob 604 SKRUN S ER SONS Oe oes 70 
LINDSAY, GEORGE A., Annua 21 Reinfall and Temperature 
OL Upses ° a eesee eeeee08 eee 8 
NIPHER, FRANCIS os “Nature of Electrical Discharge 10 
VOLUME XXII 141 
RAU, PHIL, and NELLIE Rav, oe of Stagmomantis 
Caroli NAscveseceee eeseeeees ee eee eceseeeeee8 59 
NIPHER, PRINCIS 1 Be, Local Ma pnetic "Borman. sass ess 9 
SAMPSON, F.A., Preliminary List of Mollusca of 
Missourt oe eeeeere eeesn eeeseee eee ee e8 43 
NIPHER, FRANCIS. E., Variations in the Earth's 
Ma metic WiGlGs duces eos eeeeeenseteoeoeeeeene Ay: 
HUME, H. HAROLD, The Plowers of Diospyros Kaki L. 13 
“Price 
225 
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