[Vor. 5 
236 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
showed no respiratory response in comparison with those con- 
taining a high per cent of protein. 
Ewart (796), in his early work on this subject, came to con- 
clusions similar to those of Schwarz. Kny (797) found that 
Spirogyra anaesthetized with chloroform water until plasma 
movement had ceased, the nucleus become swollen, and the 
chloroplasts distorted, still retained its chlorophyllous func- 
tions. He concluded that injury to cytoplasm and nucleus 
was not directly correlated with the chlorophyll function. 
Ewart (298), in a later study of Elodea canadensis, confirmed 
Bernard's findings of assimilatory inhibition without per- 
manent injury. Теодогевсо and Coupin (298) studied the 
effect of ether on etiolated seedlings of wheat, vetch, lupine, 
and buckwheat. Chlorophyll formation was prevented or re- 
tarded according to conditions of dosage or length of ex- 
posure. Kauffmann (’99), studying the effect of narcotics 
on the protoplasmic processes with respect to chlorophyll 
formation, also showed that inhibition or permanent injury 
was dependent on strength of dosage and length of exposure. 
Morkowime (799), from his experiments, opposed the findings 
of Bonnier and Mangin, whose error, he believed, resulted 
from insufficient periods of observation. Morkowine found 
that respiration intensity increased notably two hours after 
treatment. Zalenski (702) also reported increased carbon 
dioxide evolution from corms of Gladiolus following an ether- 
ization of 1 се. рег 750 се. volume, with a subsequent return 
to normal rate; stronger dosage caused depression. Exposure 
was shown to be a factor, since a dosage that stimulated after 
short exposure caused depression when the time of action was 
prolonged. Kosiński (’02) subjected Aspergillus niger to 
chemical and mechanical stimuli in absence of nutrients; ether 
dosages to a maximum of 2 per cent increased the respiration, 
higher ones depressed it, and the presence of 5 per cent in . 
the nutrient solution caused immediate cessation of respira- 
tory activity. Morkowine (’03) in a later paper reported ex- 
periments with Vicia Faba, Beta vulgaris, and Gladiolus, 
using various stimuli. Ether, among other compounds, 
showed a varying effect upon carbon dioxide evolution with 
