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‘No. 5 LEFEVRE, GEORGE, Advance of Zoology in 19th 
Centuryesceccee 
66 Nes FRANCIS Be Physics during the Last 
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TRELEASE, “WILLIAM, "Prorress in Botany during 
the 19th Gantiny <iss chase e eeeoeeeevwpeeseteensreseeeseeee 
BAKER, FRANK COLLINS, interesting Molluscan 
Monstrositiesssscc+vecce Fa Oe ar eeeescosececss 
WELLER, STUART, Kinderhook Pamnet atuates: 
Til. Faunas of Beds 3-7 at Burlington, Taecceeeee 
HARRIS, J. ARTHUR, Normal and Teratological 
Troms of Gieditecnia. Triacantnossece ct dead ce cee 
Title Page and Indexececence seccesnseccssesesece 
VOLUME XII 
CHESSIN, ALEXANDER S., True Potential of Force 
of AORVIUY 6 60 06s 00s owen ees e es Pewee sen 6 6000 ee8 
MACKENSIE, K. ie and B. F. BUSH, Lespedezas of 
MIiSSOUPri s ese s s . eeevrv*e*eeseweeoeeeweeeeeeseaeaeeseeneneee 
CHESSIN, ALEXAND aR a “Motion of GYPTOSCOPES cceee 
NORTON, J.B.S., Notes on Plants of S.W. United 
BCACCS «6 6o 8 63s eee eee eos ee ee eeeee 
BAKER, Os Pe; Revision of "Blephantopeae. Lecerere 
BUSH, BoF., Ne American Species of Chaerophyllum 
and of TY 1lOG 1S sss euae eee eeoereeeeereseeeeeeseeeeee 
MACKENZIE, K.K., and B.F. BUSH, New Plantsfrom 
Missouri. eee *e eeee ee eee ese? eee ereaevreeeae 
NORTON, @ aoe Sclerotinia Prughl pend... ssssses 
CHESSIN, ALEXANDER S., Relation between Bessel 
Pancttons see he 
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VOLUME XIII }49- 
HAMPBACH, G., Revision of Blastoideae, etCececece 
NIPHER, FRANCIS E., On Peeeiagaat of Speed 
OF Trotting HOY SO e546 bs bh ee e ® s ee s 
HURTER, JULIUS, Second Contin nut ion Bs “‘Herpetoie 
Oofy O of Mis sour. . * eee eoeoeoese eee eeeeeese80 
SHELDON, WALTER is. "Iiterature of Ehtical Science 
since Dar Wiis &<é 6S Se Cw elk os 6 50-2 eb ENO EEC RERS 
NIPHER, FRANCIS — Law: 9f Contraction of Gaseous 
Hartas. ccs eoocer eros eases eeeetreeeresereeseven 
KEISER, EDWARD, “and S. W. FORDER, New Method for 
Determination of Pree t Fee's Me er a ee a ae eee ee 
BUSH, B.F., New Genus of Grass@Secervercrseverccce 
HARRIS, J. ARTHUR, Polvgamy and Certain Floral) 
Abnormalities in ee 
The Gormination of Pachira, etCeocescerecereccce) 
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