v^ 



Smithsonian Miscellaneous Collections 

 Vol. 89, No. 6 



THE CLASSIFICATION OF THE FREE-LIVING 



NEMATODES AND THEIR RELATION TO 



THE PARASITIC NEMATODES 



By I. N. FILIPJEV 



ERRATA 



On pages 29 and 30, the portion under the heading " Subfamilies and genera 

 of the family Anguillulidae " should read as follows : 

 Subfamily Anguillulinae. 



Genera: Rhabditis Dujardin, 1845 (sg. Rhabditclla Cobb, 1929) ; Rhabdi- 

 toides Goodey, 1929; Asymmetricus Kreis, 1930 (syn. Pseudo- 

 rhabditis Kreis, 1929, preocc.) ; Diploscaptcr Cobb, 1913; 

 Hyalaimus Cobb, 1920; Hemicycliophora de Man, 1921 ; 

 Chcilobiis Cobb, 1924; Anguillula O. F. Mueller, 1783 (syn. 

 Tnrbatrix Peters, 1927*); Macrolaimus Maupas, 1900; Myo- 

 lahnus Cobb, 1920 ; Himatidiophila Rahm, 1924. 

 Subfamily Steinerneminae. 



Genera: Neoaplectana Steiner, 1929; Steinernema Travassos, 1927c (syn. 

 Stcinrria Travassos, 1927a, preocc). 

 Subfamily Cephalobinae. 



Genera : Read as printed in original at top of p. 30. 

 Subfamily Cephalobiinae. 



Genus : Ccplialobium Cobb, 1920. Delete subsequent reference to Peters, 

 as this refers to Tnrbatrix, as noted above, and not to Ccplialobium. 



* The objections of Peters to the use of the old name, well established and 

 universally used since Bastian, are at least questionable. Even if they should 

 prove to be valid, an exception to the rules of priority should be made for this 

 case. 



