140 MARYLAND MANUAL

70.Effect of Underwater Explosions on Oysters, Crabs and
Fish; 1948

71.An Ecological Study of Seasonal Distribution of Ostra-
coda; 1948

72.Studies of the Effects of Industrial Pollution in the
Lower Patapsco River Area; 2, The Effects of Copperas
Pollution on Plankton; 1948

73.A Trematode Parasite of the Genus Cilnostomun, New
to the Shad, Aloso Saipidissima; 1948

74.A New Olpidiopsis Parasite of Karlingia rosea from

Maryland; 1949
76.Three New Species of Chytriomyces from Maryland; 1949

76.The Maryland Crab Industry, 1948; 1949

77.Immobile Dinophyceae; 1949

78.Comparison of Methods of Tagging the Blue Crab; 1949
Educational Series:

12.Trees of Maryland; 1946

13.Ground Water in the Baltimore Area; 1946

14.Utilization of Marine Products; 1947

16.Maryland Commercial Fish Hatchery Operations; 1948

17.Maryland Forests and Forestry; 1948

18.Maryland Commercial Fishing Gear; 1949

19.Inventory Plan Maryland's Natural Resources; 1948
21.The Maryland Farm Woodlot; 1948

BOARD OF REVENUE ESTIMATES

Report; 1947 (Printed with Address by Governor William Pres-
ton Lane, Jr. on "Additional Revenue Requirements", Feb-
ruary 19, 1947)

STATE ROADS COMMISSION

Maryland Road Report; 1945/1946; 1947/1948
Chesapeake Bay Ferry System, Monthly Financial Report
Susquehanna and Potomac River Bridges, Monthly Financial

Report

The Hagerstown Traffic Survey; 1948
Transportation Study, Baltimore Metropolitan Area; 1947;

4 vols.
State Road Map; 1949

ST. MARY'S SEMINARY JUNIOR COLLEGE
Catalogue, 1947/1948; 1948/1949; 1949/1950

SECRETARY OF STATE

Constitution of Maryland; 1946, 1949 (1949 edition compiled
and edited by the Department of Information and the De-
partment of Legislative Reference; published by the Secre-
tary of State)

Election and Registration Laws of Maryland; 1946, 1948

General Election Returns; 1946, 1948

Maryland Manual; 1946-1946; 1948-1949; 2nd printing revised