Contributions to a science of nematology,

XXII. The ambulatory tubes and other features of the nema, Draconema cephalatum.--XXIII. Observations on the morphology and physiology of nemas.--XXIV. The demanian vessels in nemas of the genus Oncholaimus.--XXV. Metoncholaimus pristiurus (Zur Strassen).--XXVI. A key to the genera of the free-living nemas.XV. Biological relationships of the mathematical series 1, 2, 4, etc.--XVI. Nemic spermatogenesis.--XVII. The screw nemas, parasites of codfish, haddock and other fishes.--XVIII. Ungella secta n. gen. n. sp., a nemic parasite of the Burmese oligochaete (earthworms).--XIX. A new species of the nemic genus Syringolaimus.--XX. The chromatropism of Mermis subnigrescens.--XXI. Survey of nemas in marine beach sand.VII. Filter-bed nemas: nematodes of the slow sand filter-beds of American cities.--VIII. The orders and classes of nemas.--IX. One hundred new nemas (type species of 100 new genera).--X. Hovardula benigna, a nemic parasite of the cucumber-beetle.--XI. Marionella.--XII. Greeffiella.--XIII. An amendation of Hoplolaimus Daday, 1905 nec auctores.--XIV. Notes on Paratylenchus, a genus of nemas.Most of the articles were reprinted from Journal of the Washington academy of sciences, Soil science, Proceedings of the Helminthological society of Washington and other scientific periodicals."When the volumes of 'Contributions to a science of nematology' were assembled ... the two plates of mononchs (p. 185 to 188 inclusive) could not be found. In order to make the volumes complete for binding, reproductions of these plates were made, by lithoprinting ..." cf. unnumbered leaf inserted after p. 184.Issued in 26 parts, 1914-1935.Descriptive letterpress on versos facing most of the plates.Bibliography: p. 181-183; "Literature cited": p. 482-487.I. Antarctic marine free-living nematodes of the Shakleton expedition.--II. North American free-living fresh-water nematodes.--III. The asymmetry of the nematode, Bunonema inequale, n. sp.--IV. Selachinema, a new nematode genus with remarkable mandibles.--V. Notes on nemas.--VI. The mononchs, a genus of free-living predatory nematodes.Mode of access: Internet