COBB: A KEY TO THE GENERA OF FREE-LIVING NEMAS 483 



COBB, N. A. 1905. See Stiles and Hassall, 1905. 



Fungus maladies of the sugar cane, with notes on associated insects and nema- 

 todes. Bull. (5), Hawaii Sugar Planters' Assoc. Expt. Sta., Div. Path. & Physiol., 

 2nd ed., pp. 187-189. 1906. 



Draconema: A remarkable genus of marine free-living nematodes. Jour. Wash. 



Acad. Sci. 3: 146-149. 1913. 



Notes on Mononchus and Tylenchulus. Jour. Wash. Acad. Sci. 3:287. 1913. 



- New nematode genera found inhabiting fresh water and non-brackish soils. Jour. 

 Wash. Acad. Sci. 3: 436-444. 1913. 



Antarctic marine free-living nematodes of the Shackleton Expedition. Contrib. 



Sci. Nematol. I, pp. 12, 16. 1914. 

 North American free-living fresh-water nematodes. Amer. Micros. Soc. Trans. 



33: 92-94. 1914. 



Selachinema a new nematode genus with remarkable mandibles. Contrib. Sci. 



Nematol. IV, p. 113. 1915. 



Notes on nemas. Contrib. Sci. Nematol. V, pp. 118, 119. 1917. 



Filter-bed nemas: Nematodes of the slow sand filter beds of American cities (in- 

 cluding new genera and species) with notes on hermaphroditism and parthenogenesis. 

 Contrib. Sci. Nematol. VII, pp. 195-196, 203. 1918. 



- One hundred new nemas (type species of 100 new genera). Contrib. Sci. Nematol. 

 IX, pp. 230-340. 1920. 



- Howardula benigna, a nema parasite of the cucumber-beetle (Diabrotica). Con- 

 trib. Sci. Nematol. X, pp. 1-2. 1921. 



- Marionella (Eurystoma Marion, 1870); an emendation, with notes on a new 

 birefringent substance, marionellin, found in the intestinal cells. Jour. Wash. Acad. 

 Sci. 11: 504-509. 1922. 



- Greeffiella. Jour. Wash. Acad. Sci. 12: 299-303. 1922. 



- The Helminthological Society of Washington. Jour. Parasitol. 11: 105, 116, 

 120. 1924. 



Marine free-living nemas. Australas. Antarc. Exped. 1911-14. Scient. Rep., 



Sydney, Ser. C. Zool. & Bot. 6(7): 22-23. 1930. 



The demanian vessels in nemas of the genus Oncholaimus; with notes on four new 



oncholaims. Jour. Wash. Acad. Sci. 20: 227. 1930. 

 DADAY, E. VON. Mikroskopische Siisswasserthiere aus Deutsch-Neu-Guinea. Ter- 

 meszet. Fuzetek. 24: 7. 1901. 



Untersuchungen iiber die Siisswasser- Mikrofauna Paraguays. Mil einem An- 



hangvonW.Michaelsen. Zool. 18(44): p. 62. 1905. 



DE CONINCK, L. Sur trois especes nouvelles de nematodes libres trouves en Belgique. 



Bull. Mus. Roy. Hist. Nat. Belg. 7(11): 2-5. 1931. 

 DIESING, K. M. Revision der Nematoden. Sitzber. Akad. Wiss. Wien, Math. Naturw. 



Kl. (1860) 42: 728. 1861. 

 DITLEVSEN, H. Marine free-living nematodes from Danish waters. Vidensk. Meddel. 



Dansk Naturhist. For. Kj0benhavn. 70: 162-163, 168, 174-177, 177-178, 181-182, 



183-184, 185, 188-189, 197, 299. Plate 7, figs. 3, 4 & 6. Plate 8, figs. 2, 3 & 8. 1918. 



Marine free-living nematodes from the Auckland and Campbell Islands. Vidensk. 



Meddel. Dansk Naturhist. For. Kj0benhavn. 73: 2, 4. 1922. Advance separate 

 apparently issued in 1921. 



Nematological notes. Vidensk. Meddel. Dansk Naturhist. For. Kj0benhavn. 



74: 57-58, 60. 1922. 



Free-living nematodes. The Danish Ingolf-Expedition (1895-1896) Copen- 



hagen. 4(6): 8, 12, 30-31. 1926. 



