Research Bibliography

Welch PSmith.  1952.  Limnology. :xi+538.

Welch PSmith.  1950.  A limnological view of the inland waters of Michigan.

Welch PSmith.  1948.  Limnological Methods.

Welch PSmith.  1945.  More data on depression individuality in Douglas Lake, Michigan. Papers of the Michigan Academy of Science, Arts and Letters. 30:379-390.

Welch PSmith.  1945.  Some limnological features of water impounded in a northern bog-lake mat. Transactions of the American Microscopical Society. 64:183-195.

Welch PSmith.  1944.  The hatchet planimeter as a limnological instrument. Limnological Society of America Special Publication. 14:7.

Welch PSmith.  1943.  Frame for operating two reversing thermometers simultaneously. Limnological Society of America Special Publication. 13:4.

Welch PSmith.  1941.  Dissolved oxygen in relation to lake types. Symposium on Hydrobiology. :60-70.

Welch PSmith.  1939.  Vertical distribution of summer temperature in the false bottoms of certain Michigan bog lakes. Ecology. 20:38-46.

Welch PSmith.  1938.  A limnological study of a bog lake which has never developed a marginal mat. Transactions of the American Microscopical Society. 57:344-357.

Welch PSmith.  1938.  A limnological study of a retrograding bog lake. Ecology. 19:435-453.

Welch PSmith.  1936.  Limnological investigation of a strongly basic bog lake surrounded by an extensive acid-forming bog mat. Papers of the Michigan Academy of Science, Arts and Letters. 21:727-751.

Welch PSmith.  1936.  A limnological study of a small sphagnum-leather leaf-black spruce bog lake with special reference to its plankton. Transactions of the American Microscopical Society. 55:300-312.

Welch PSmith, Eggleton FE.  1935.  Additional data on submerged depression individuality in Douglas Lake. Papers of the Michigan Academy of Science, Arts and Letters. 20:737-750.

Welch PSmith.  1935.  Limnology.

Welch PSmith, Eggleton FE.  1932.  Limnological investigations on northern Michigan Lakes II. A further study of depression individuality in Douglas Lake. Papers of the Michigan Academy of Science, Arts and Letters. 15:491-508.

Welch PSmith.  1928.  Limnological investigations on northern Michigan Lakes. I. Physical-chemical studies on Douglas Lake. Papers of the Michigan Academy of Science, Arts and Letters. 8:421-451.

Welch PSmith, Sehon GLouise.  1928.  The periodic vibratory movements of the larva of Nymphula maculalis Clemens (Lepidoptera) and their respiratory significance. Annals of the Entomological Society of America. 21:243-258.

Welch PSmith, Loomis HA.  1924.  A limnological study of Hydra oligactis in Douglas Lake, Michigan. Transactions of the American Microscopical Society. 43:203-235.

Welch PSmith.  1924.  Observations on the early larval activities of Nymphula maculalis Clemens (Lepidoptera). Annals of the Entomological Society of America. 17:395-402.

Welch PSmith.  1923.  New records of North American Enchytraeidae. Transactions of the American Microscopical Society. 42:91-94.

Welch PSmith.  1922.  The respiratory mechanism in certain aquatic Lepidoptera. Transactions of the American Microscopical Society. 41:29-50.

Welch PSmith.  1917.  Further studies on Hydromyza confluens Loew, (Diptera). Annals of the Entomological Society of America. 10:35-45.

Welch PSmith.  1916.  Contribution to the biology of certain aquatic Lepidoptera. Annals of the Entomological Society of America. 9:159-187.

Welch PSmith.  1915.  The Lepidoptera of the Douglas Lake region, northern Michigan. Entomological News. 26:115-119.