66 NEW. YORK ZOOLOGICAL) SOCINAY:: 
area up to Sea-Lion Pool. As an index of the extent of the task 
recently completed, the following figures are offered: 
Dimensions “of areatreated= s.r eee 335 X 3o7etece 
Length, of conerete swall/and icopines.. poe ee 1,392 
Lineal feet of heavy wrought-iron fence, 8 feet high. 1,392 
Lineal feet otselepiant enter. haere cer eee 270. a 
Lineal Geetiot (extra Weaviywite teneiien ssi) eee 3,42 
" Wire Gates: <i. ccurhulonces eu ek lan oe oot eae 38 
Heavy <wrought-ironve@ates.<..4 1 eet area ee 2 
Extrayheavy gates oft steel heamsa.~ qoa, 7 seep ae cc eee 2 
In addition to the construction of the yards around the Ante- 
lope House, a twelve-foot walk was built to encircle the whole, 
and render the twenty-three outdoor enclosures available to visit- 
ors. The necessary elevation of the northern portion of this en- 
circling walk renders it necessary to expend about $500.00 in 
connecting it with the Mountain Sheep Walk and one other. 
Cleaning Ironwork of Bear Dens.—The four new Bear Dens 
which were to have been completed in 1902, were not completed 
until the late spring of 1903. The final occupancy of the new 
dens at last rendered it possible to transfer bears from the old 
dens for the purpose of putting those enclosures into thorough 
repair. It was found necessary to purchase a sand-blast, in order 
to free the ironwork of the rust which had accumulated upon it 
and paint it in such a manner that the rusting of the metal would 
be effectually stopped. It has been found that the salt air of the 
Zoological Park causes all fences and exposed ironwork to 
accumulate rust at an alarming and almost unprecedented rate. 
It has been found that unless structural steel and wrought-iron 
work exposed to the weather has been cleaned of all foundry 
scales by the sand-blast process, it is an impossibility to paint the 
metal in such a manner that rust will not take hold under the 
foundry scales and greatly damage the material. For this reason 
all recent contracts for ironwork in the Zoological Park have 
called for the strictest precautionary measures calculated to avoid 
rust. Every particle of ironwork in the original series of bear 
dens is now being gone over with the sand-blast, in order to arrest 
the ravages of rust, and prevent damage from that source in the 
future. This grave and imperative necessity applies to all struc- 
tural ironwork exposed to the weather in the Park, except wire 
netting, and the cost involved has already made a serious inroad 
upon the Maintenance Fund. 
