30 
attendance was 19,969 in May; the smallest, 4.906 in November. 
The average Sunday attendance for April was 1,262, and for 
May, 1,599, with a maximum daily attendance of 3,058 on May 
15. The average attendance for April was reduced by very stormy 
weather on April 10, when there were only 15 visitors. The small 
November attendance was no doubt due to the unusually lovely 
weather, which tempted people to remain out of doors rather than 
enter a greenhouse. 
Al series of cight transparencies showing imaginary landscape 
views of geological ages fron’ Cambrian to Cretaceous was 1n- 
stalled in Conservatory House No, 2 in June. In addition there 
is another transparency illustrating probable principle lines. of 
descent in plant and animal evolution. These transparencies 
measure 15x 22 inches. They supplement the exhibit of living 
plants on the central bench of House No. 2. illustrating the prob- 
able course of plant evolution from Algae to Flowering Plants. 
Phe original reconstructions and drawings were made by Miss 
Maud H. Purdy, Botanic Garden artist, under the supervision of 
Dr. Gundersen, curator of plants. The photographie work was 
done by the Garden photographer, Mr. Buhle. 
In connection with this exhibit Guide No. & “The Story of 
Fossil Plants,” was written by Dean Edward W. Berry, professor 
of paleontology, Johns Hopkins University, and published as the 
uly number of the Botanic Garden Recorp. 
Lhe Succulent House has been kept closed to the public during 
t ‘ 
a 
most of the year owing to the tendency of the wie specimens 
to disappear on account of the prevailing vogue for “ desert dish 
9 
gardens” and the wave of popularity of succulents. in general. 
The state of Arizona has a wild flower preservation law forbidc ling 
the shipment of cacti from that state except under definite restric- 
tions. We have had to meet the local situation in a different way. 
The installation has been modified to safeguard the plants so that 
they may be viewed in situ by those who are content to enjoy 
them that way. 
Pusiic RELATIONS 
ing a” 
The term “ public relations” is used to designate our relations 
with the general public as a whole, as distinguished from our re- 
lations with schools and other institutions and organizations 
