387 

 Genus Tumidalvus Ewing. 



Tumidalvus Ewing. Ent. News, Vol. XIX., 1908, No. 6, p. 243. 



T. americana Ewing. Ent. News, Vol. XIX. , 1908, No. 6, p. 244. 

 In moss, Areola, 111.; in rubbish, Columbia, Mo. 



Genus Cymb^reboeus Berlese. 



Oymbseremseus Berlese. Acari, Myr., Scorp., Fasc. LXXVTLL, 1896. 



C. marginalia Banks {Eremazus). Trans. Amer. Ent. Soc, Vol. 

 XXIII., 1896, p. 76. 

 On bark, Sea Cliff, N. Y. 



Genus Nothrus C. L. Koch. 



Nothrus C. L. Koch. Crust. Myr. Arach., Heft 2, 1835. 



N. banksi Michael. Das Tier., Lief. 3, 1898, p. 70. 

 Olympia, Wash. 



JV. bipilis Banks. Trans. Amer. Ent. Soc, Vol. XXII., 1895, p. 14. 

 From Sphagnum, Sea Cliff, N. Y. 



N. excisus Banks. Trans. Amer. Ent. Soc, Vol. XXII., 1895, p. 15. 

 On the bark of spruce-trees, Sea Cliff, N. Y. 



N. rugulosus Banks. Trans. Amer. Ent. Soc, Vol. XXII., 1895, 

 p. 15. 

 Under bark, Sea Cliff, N. Y. 



jY. simplex Banks. Jour. N. Y. Ent. Soc, 1895, p. 130. 

 From wet Sphagnum, Roslyn, N. Y. 



N. taurinus Banks. Proc Acad. Nat. Sci. Phila., 1906, p. 499. 

 Falls Church, Va. 



N. truncatus Banks. Trans. Amer. Ent. Soc, Vol. XXII., 1895, p. 14. 

 From Sphagnum and in moss, Sea Cliff, N. Y. 



Genus Hypochthonius C L. Koch. 



IlypochthoniusC. L. Koch. Crust. Myr. Arach., Heft 3, 1835. 

 //. rut'ulus C. L. Koch. Crust. Myr. Arach., Heft 3, Tab. 19. 

 Areola, 111. 



