206 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I4I 



* Gongylonema neoplasticum (Fibiger and Ditlevsen, 1914) Ransom and Hall, 



1916 



Natural hosts. — Blatta orientalis, Netherlands (Baylis, 1925). 



Blattella germanica, U.S.A. (Hitchcock and Bell, 1952). 



Periplaneta americana, Denmark and St. Croix (Fibiger, 1913, 

 1913a; Fibiger and Ditlevsen, 1914) ; Netherlands (Baylis, 1925) ; 

 Argentina (Bacigalupo, 1930) ; England (Leiper, 1926) ; South 

 Africa (Porter, 1930) ; U.S.A. (Hitchcock and Bell, 1952) ; For- 

 mosa (Yokagawa, 1924, 1925, 1925a). 



Periplaneta australasiae, Formosa (Yokagawa, 1924, 1925, 1925a). 



Experimental hosts. — Blattella germanica, Denmark (Fibiger and 

 Ditlevsen, 1914) ; U.S.A. (Hitchcock and Bell, 1952) ; France 

 (Brumpt, 1949). 



Blatta orientalis, Denmark (Fibiger and Ditlevsen, 1914). 



Periplaneta americana, Denmark and St. Croix (Fibiger, 1913 ; 

 Fibiger and Ditlevsen, 1914) ; U.S.A. (Hitchcock and Bell, 1952). 



* Gongylonema pulchrum MoHn, 1857 



Experimental hosts. — Blattella germanica, U.S.A. (Ransom and 

 Hall, 1915, 1916, 1917; Stiles and Baker, 1927; Schwartz and 

 Lucker, 1931 ; Lucker, 1932; Alicata, 1934a, 1935) ; Europe (Baylis 

 et al., 1925, 1926, 1926a; Sambon, 1926). 



Parcoblatta sp., Alicata (1934, 1935). 



* Gongylonema sp. 



Natural host. — Periplaneta americana, Brazil (Magalhaes, 1900) ; 

 Algeria (Seurat, 1916) ; England? (Leiper, 1926). 



* Microtetrameres helix Cram, 1927 

 Experimental host. — Blattella germanica, U.S.A. (Cram, 1934). 



* Protospirura bonnei Ortlepp, 1924 



Natural host. — Leucophaca maderae, Venezuela (Brumpt, 1931). 

 Experimental hosts. — Blatta orientalis, Blattella germanica, Leuco- 

 phaca maderae, France (Brumpt, 1931). 



* Protospirura columbiana Cram, 1926 

 Experimental host. — Blattella germanica, U.S.A. (Cram, 1926). 



* Protospirura muricola Geodoelst, 1916 



Natural host. — Leucophaca maderae, Panama (Foster and Johnson, 

 19.-^8, 1939). 



