22 
The following tabular statement gives the results obtained. 
f CO, in 10,000 parts of air. 
E. 8. Higgins, Carpet Factory, 14-7 
Johnson & Falkner, Hair Cloth, 16-7 
Tombs, prison, male dept., average of 2 experiments, 14:7 
a female 8°45 
Elm Street school, average of 3 experiments, 14°6 
Roosevelt Street school, ig 2 . 19°5 
School, 13th St., near 7th Av., “ 2 ¢ 21°3 
6c 6th 6 9 6“ 28°1 
Greenwich Street school, oS 2 2 17°6 
Vandewater pe i 2 a 14:7 
Madison < 4 “ 24-2 
Tenement, 45 Baxter Street, 2d floor; 7 persons, 15:4 
Cellar tenements, 223 Division Street; 4 persons, 12°6 
i 26 James Street; 16 persons, 21°9 
ct 64 Cherry Street; 8 persons, 13°4 
ig 64 cs 11 persons, 18°8 
re 58 - 12 persons, 15:1 
Theatres and Halls. 
Tony Pastor’s, Gallery, full house, 37-1 
. Parterre, y 29°8 
Atlantic Garden, Parterre, full house, 18°75 
Stadt Theatre, Gallery, slim attendance, 19-1 
Parterre, a 27-7 
eds Theatre, Gallery, crowded, 36°5 
Parterre) '“ 23°2 
Union gaiiars Theatre, Gallery, moderately full, 28°9 
Cooper Institute, large hall, 27-0 
Germania Theatre, Parterre, full house, 26:0 
Niblo’s Garden, Balcony, 33°9 
Wallack’s Theatre, Gallery, - 36°5 
Booth’s Theatre, Balcony, moderately full, 10°6 
Olympic ‘“ full house, 20°0 
Fifth Avenue Theatre, Gallery, full house, 40°6 
a Parterre, 14:2 
Niamones e ef 13-0 
Bryant’s sid A 17:0 
Grand Opera House, eS slim attendance, 11°8 
a ee Balcony, 4 23°7 
Pror. C. A. SEELY presented a discussion on the Reduc- 
tion of Iron, in which he described some methods that had 
never come into use upon a large scale in manufacture, though 
possessing much theoretical interest. 
He made particular reference to the production of the so- 
called “iron sponge,” and to the process which Mr. Siemens 
has lately brought forward in England. In regard to this 
subject he remarked, as a matter of some interest, that the 
