Twenty-ninth Annual Meeting 115 
SCIENTIFIC SESSIONS 
The complete scientific program of the meeting follows: 
Presidential Address 
Betae scientific Spirit,’ =). x:..44 5 4- Dee ik) a2 « M. M. METCALF 
Public Lecture 
‘“‘ Airplanes, Present and Future’’.. DAvID CARROLL CHURCHILL 
Papers 
1. The Theory of Chance Applied to the Bacon-Shakespeare Controversy. 
AORN Ten MG ATIC STAM Ney ayo wy ov ctaracevs Wettuchaseni vers seve ds bev e vlelbs T. C. MENDENHALL 
2. Teleology in the Teaching of Zoology. 15 min............. W. M. Barrows 
3. Dynamics and Evolution as illustrated in the Euglenoids. 15 min. 
((Leawaniermet)) SRA oe SS ie it Soe iat Se ae Oe Cee Aaa L. B. WALTON 
4. Notes ona Technique for the Study of Euglenidae. 5min...... W. J. Kostir 
5. The Comparative Resistance of Different Species of Euglenidae to 
PTC OR TML IT eae Meh te fork acetone RASS Coe Sue sae, See (ave Gysix Barer tT alate Sieie W. J. Kostir 
6. Notes on a Tingid Destructive to Beans. 5 min.......... HERBERT OSBORN 
7. The European Corn Borer (Pyrausta nubilalis Hubn.) a Menace to 
AmericaneNoreultures VO'amiIn. 32... sac sete cba tee eee es ehles E. C. Cotton 
8. The Stratification of Spiders in Meadows. 15 min........... W.M. Barrows 
9. Concerning the Attachment of Larval Colonies of Pectinatella and 
Eltrsaven Gell cramp Optiarc ne oc sia s cree y cuiaue ers screens STEPHEN R. WILLIAMS 
10. Remarks on the Phylum Prosopygia. 10 min.......... RAYMOND C. OSBURN 
11. The Bryozoan Fauna of Greenland. 5 min............. RAYMOND C. OSBURN 
12. Classification of the Salpidae. 15 min. (Opaque projection), 
MAYNARD M. MATCALF 
13. The Remarkable Fauna of a Drop of Pond Water. 3 min...... W. J. Kostir 
14. Polymorphism and Allelomorphism in Bruchus quadrimaculatus. 25 min. 
J. K. BREITENBECHER 
15. Circulation of Coelomic Fluid in a Nematode. 15 min...... F. H. KRECKER 
1p- boo Waying of a Ibeech, Piscicola. 10 min:.......:......-. F. H. KRECKER 
17. The Columella Auris of the Reptiles. 10 min............ Epwarp L. RICE 
18. Information wanted in Zoological and Botanical Cases to be Cited. 
5) SONG, 56's ék ce ED DERE ES Sees See eae eee KATHARINE D. SHARP 
19. Use of Airplane in Studying Vegetation. 15 min. (Lantern)..PAuL B. SEARS 
240), AN Mery Ot Olay ieresnenies ae Al) sciinee es Nee ease anne pce Ie eerie P. B. SEARS 
21. Brief Notes on Some Ohio Plants. 10 min.......,........ L. S. HopkKINs 
22. ‘A Remarkable Bud Sport of Pandanus. 6 min.......... JoHN H. SCHAFFNER 
23. The Nature of Dieciousness in the Hemp. 10 min...... JoHN H. SCHAFFNER 
Die cemtacin. Marizevand Reyer HO sminbe rs sree stays! 2 220s ores aie wiv are od A, E. WALLER 
25. Some Biological Relations of the Hysteriales. 10 min......... BRucE FINK 
26. A Hitherto Undescribed Ascomycete. 10 min. (Lantern)....FREDA DETMERS 
27. Witches Broom of Bald Cypress. 5 min. (Lantern)....... FREDA DETMERS 
-28. Abscission of Populus deltoides (common cottonwood). 10 min. 
(GLannigna) Ge aa seocere oon Raeot or Lots LAMPE, introduced by FREDA DETMERS 
29. Toxic and Antagonistic Effects of Salts on Yeast (Saccharomyces ellip- 
soideus). 30min........ Swarna K. Mirra, introduced by E. N. TRANSEAU 
30. ,_ Two Serious Diseases ‘of Wheat New. to America............ W. G. STOVER 
31. Some Future Industrial Centers in America as Seen by a Geographer. 
: AD inant: « DA ee Bie eee Ae cia as 2s Gn Ree ee ee tore Gro. D. HUBBARD 
32. Estimates on the Thickness of the Sedimentary Rocks of Ohio. 10 min. 
T. M. Huts 
33. Some Geological Features in the Akron Region. 15 min...... G. F. LAMB 
34. The Location of the Barrier Between the Ohio and Mississippi Valley 
BSti Smee GhittOnGe wl imles nano mrm sho a.cieic mem cxsle nia «pie ok AuGUST FOERSTE 
Peeeoonie Aspects of the Waverly. 2.0250... 62 6 eae s cere ew ene rcses J. E. Hynde 
Ben The Pyrite Deposits in the Ohio Coals... ...... 2.65. eee eee W. M. TUCKER 
