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Thirty-fourth Annual Meeting 323 
The peculiar flora of the sand region west of Toledo. (10 min.), 
E. L. MosELEY 
The distribution of the pine in Ohio. (20 min., lantern)...... Forest DEAN 
The economic features of the yellow poplar in Ohio. (15 min., lantern), 
O. A. ALDERMAN | 
Progress report on plantings on the slope of the dams in the Miami Con- 
servaney District. (25) min., lantern). ............6.+.-. A. E. WALLER 
Observations of a plant collector on the Island of Hainan. (By invita- 
tion). Introduced by A. E. Waller. (30 min., lantern)...F. A. McCLuRE 
The uredinales of Ohio. (Preliminary). (10 min.).......... W. G. STOVER 
The relation of weather conditions to the development of apple scab at 
Columbus in 1923. (12 min., lantern) I ae acer ae Na Howarp W. JOHNSON 
The infection period of apple blotch in central Ohio in 1923. (8 min., 
| EXGMAET A) ree, See ee Ae a Ea ee gen oer a CurTIS May 
The relation of Fusarium moniliforme to the ear, stalk and root-rot of 
corn. Introduced by W. G. Stover. (10 min., lantern)...D..P. LiwBer 
Studies of toxin production in the fusarium wilt of tomato. Introduced 
yoda -stovers \(1Oimin.) 07. oooh ao oe a nti win IvaAN E. MASSAR 
A Bed sport in pelargonium accompanied by the loss of two chromosomes. 
Ditean ny GLOLO ior fe ctw crn aarem, vate oe Sad us ete Ws ase c's PauL B. SEARS 
DEMONSTRATIONS 
Se SMeeI ROP Le WOOK Scie) oft co omc < Bim ale mis a'oicdreldieid @ wals’ais O: A. ALDERMAN 
(OTR? - Ma gic RSE OOS eae eee en Marion T. MYeErs 
Lower jaw of a boar showing tusks.................... WiiiiaM E. NIEHAUS 
Water snake (Tropidonotus fasciatus) in the act of swallowing a creek 
SUGURETT AS SRE ee re ol cS es a F. A. HANNAWALT 
Skeleton mount of common mole (Scalopus aquaticus machrinus).W. H. Camp 
Plaster cast of earthworm (Lumbricus terrestris). Cross section, 
HENRY OLSON 
Examples of certain homoptera of the Southwest, with photographs of 
RE MEMAINE CALS Sona atasle oy diana! Sait asic ais ciheia 6 cares Aaven HERBERT OSBORN 
ATINIRTLIN Cio OSA Ae a Re ee ee ee E. P. DURRANT 
pneustenucture of dental enamel... ...cewe.c2ese ee ees ewe sane SAMUEL W. CHASE 
A novel form of symphalangism, or hypodactyly............ ONDEss L. INMAN 
Eusiew Lype Gf physiographic Map... -......-2-2-++-23-+5- KirTLEY F, MATHER 
