Chamberlin — The Julidae and Isobatidae in North America. 83 



Genus Ophiulus Berlese. 

 Ophiulus longabo (C. Koch). 



1847. Julus longabo C. Koch, Syst. d. Myr., p. 113. 



1863. Julus serpentinus C. Koch, Die Myriap., II, p. 106, fig. 228. 



Julus ferreu^ C. Koch, ibid., p. 107, fig. 229. 



1864. Julus canalicidatus Wood, Proc. Acad. Sci. Phil., p. 12. 



Julus laqueatus Wood, ibid., p. 13. 



1868. Julusfallax Meinert, Naturh. Tidsskr., 3R., V, p. 15. 



In recent years the name fallax of Meinert has been most used for this 

 species. As there seems no longer reasonable doubt as to the identity of 

 this species with Koch's longabo, the latter name is here adopted. As 

 indicated above, Wood's names canaliculatus and laqueatus also have 

 precedence over fallax. In this country the species is best established in 

 Pennsylvania, particularly about Philadelphia, where I have found it in 

 abundance. It was also apparently common there in Wood's day. It is 

 frequent in New Jersey and in Delaware and the District of Columbia. I 

 have never taken it in New England, although it probably will be found 

 there since it occurs in Canada, being not infrequent about Quebec. 



ISOBATIDAE. 



The use of Protoiulidae for this family is inadmissible both because it is 

 antedated by the names Isobatidae and Blaniulidae and also because it is 

 not based upon an included genus. 



Genus Blaniulus Gervais. 

 Blaniulus guttulatus (Bosc). 



1792. Julus guttulatus Bosc. Bull. d. 1. Soc. philom. de Paris, p. 12. 

 1818. Julus fragariarum Lamarck, Hist. nat. d. anim. s. vert., V. 

 1837. Blaniulus guttulatus Gervais, Ann. d. Sci. Nat., ser. 2, VII, p. 45. 



The use of Typhloblaniulus or Trichoblaniulus as generic or subgeneric 

 names over this species is inadmissible since it is the type of Blaniulus. I 

 have seen numerous specimens of this species collected about Quebec City, 

 Canada, by Mr. Frits Johansen, and a few taken in Massachusetts, one of 

 them many years ago by Dr. Hagen. It has doubtless been often over- 

 looked because of its small size and obscure habits. In Europe it is said 

 sometimes to be a pest in potato crops and also to injure beans, beets, 

 cucumbers and gourds. 



Genus Nopoiulus Menge. 

 Nopoiulus pulchellus (Leach). 



1814. Julus pulchellus Leach, Trans. Linn. Soc. London, XI, p. 379. 

 1841. Julus minutus'^ Brandt, Recueil, p. 89. 



1821. Julus pusillus Say (nom. preocc. Leach, 1814) Journ. Acad. Sci. 

 Phil, p. 105. 



iThis name preoccupies the Julus minulus of Porat (1889). The latter may be re- 

 placed by Julus cibdeilus, nom. nov. 



