252 
Explorations and field-work of the 
Smithsonian Institution in 1912— 
Continued. 
Canadian boundary; geological 
explorations in the Canadian 
Rockies; field-work of the Bu- 
reau of American Ethnology in 
1912; observations on birds and 
their nests in Newfoundland and 
Labrador, by Mr. A. C. Bent; a 
newly-discovered cave deposit 
near Cumberland, Maryland; 
collecting fossil echinoderms in 
the Appalachian Valley and in | 
REPORT OF NATIONAL MUSEUM, 1914. 
Explorations and field-work of the 
Smithsonian Institution in 1912— 
Continued. 
Missouri; field-studies along the 
Patuxent and Potomac Rivers, 
Chesapeake Bay, and the North 
Carolina coast; observations on 
mollusks among the Bahama 
Islands and the Florida Keys; 
completion of the Smithsonian 
biological survey of the Panama 
Canal Zone; botanical obserya- 
tions by Dr. J. N. Rose in 
Europe and in Kangas. 
MISCELLANEOUS. 
CLARK, AUSTIN HoBart. Nocturnal | CLarK, AUSTIN Hopart—Coutinued. 
animals. turnal as opposed to diurnal 
Journ. Washington Acad. animals, and the correspondence 
Set., 4, No. 6, Mar. between the former and the ani- 
19, 1914, pp. 1389- mals of the deep sea, are dis- 
142. cussed. 
The faunal and_ paleogeo- 
graphical significance of noc- 
