402 BULLETIN 120, UNITED STATES NATIONAL MUSEUM. 



No. 25153, 22 ram. long, Mazatlan, Mexico, April, 1868; no Opalinids. 

 No. 19426, Texns-Mexico boundary, E. A. Mearns, no Opalinids. 

 B. d'orbignyi Duragril and Bibron, No. 22750, La Plata, South America, no 

 Opalinids. 



Cordero (1919) reports Zelleriella cmtilliensis, or a similar form, from 

 Uruguay. 



* B. formosus Boulenger, No. 54324, 134 mm. long; Mount Fujiyama, Japan; 

 August, 1898 ; A. Owston ; a very few Cepedea ftijiensis. 



Nos. 34323, 34325 to 34328, 102 to 139 mm. long ; same label ; no Opalinids. 

 No. 11348, 102 mm. long ; Japan ; 1878 ; E. S. Morse ; no Opalinids. 

 Nos. 51997, 51998, 114 and 95 mm. long ; both females with eggs, Karizawa, 

 Japan ; August, 1914 ; F. Baker ; no Opalinids. 



* B. fowleri Putnam, 5 living individuals from Wood's Hole, Massachusetts, 

 July, 1919, M. M. Metcalf, one individual infected abundantly with Opalina 

 ohtrigonoklea. 



Nos. 35927, 35928, 70 and 61 mm. long; both females with eggs, Elizabeth 

 Islands, Massachusetts ; M. C. Dickerson ; no Opalinids. 



No. 42269, 64 mm. long; Lanham, Maryland; July, 1910, W. R. Maxon, no 

 Opalinids, Balanttdium. 



* No. 52471, 36 mm. long ; Mount Monadnock. New Hampshire, August, 1915, 

 M. J. Rathbun, Opalina ohtrigonoidea form plicata. 



No. 52472, 20 mm. long, same label, no Opalinids. 



* B. gargarizans Cantor, No. 46490, Hong Kong, China, 1883, P. L. Jouy, Cepedea 



huergeri sinensis. 

 No. 46489. same label, no Opalinids. 



* B. haematiticus Cope, No. 14181, 9 specimens, 25 to 51 mm. long, Nicaragua, 

 August 7, 1885, J. F. Bransford ; one was uninfected ; two contained Balan- 

 tidium only; three had Cepedea dolichosma; one had this species and 

 also Opalina sp. (?) ; three had Zelleriella hufoxena. 



* No. 29902, 44 mm. long, Jucurique, Costa Rica, Burgdorf and Schild, 2 



specimens only of Cepedea dolichosoma. 

 No. 32557, 76 mm. long ; female with eggs 1 mm. in diameter, Costa Rica ; 



Gabb; no Opalinids (poorly preserved, very soft). 

 *Nos. 38723 to 38725, 38729, each 35 mm. long; Punta de Pena, Panama; 



July 24, 1908; R. E. B. McKenney ; 2 uninfected, 1 showed a single 



Balantidium, 1 showed a single Zelleriella hufoxena. 



* B. halophilus Baird and Girard, in numerous living specimens from San 

 Francisco, California, the author found Opalina oMrigonoidea maxima. 

 Nearly all the toads examined were infected. 



* B. intermedins Guenther, Nos. 26161, 26162, 45 and 22 mm. long ; Guanajuato, 

 Mexico; A. Duges; each showed a good many Zelleriella intermedia. 



No. 26160, 89 mm. long, same label ; no Opalinids. 



Nos. 30223 to 30225, 41 to 95 mm. long ; Orizaba, Mexico ; F. Sumichrast ; 

 no Opalinids. One of the two larger toads was a female with imma- 

 ture eggs. 



* B. jerboa Boulenger, No. 33880, 35 mm. long; western Borneo; F. Werner; 



a good many Cepedea borneonensis. 



* B. latifrons Boulenger, No, 48855, 76 mm. long ; The Cameroons, western 

 Africa; T. Barbour; very many Cepedea magna, also many Nyctotherns. 



No. 48854, same label; very numerous Balantidium, no Opalinids. 



* B. leinur Cope, Nos. 27148 to 27150, 73 to 76 mm. long ; Porto Rico ; April 4. 

 1900; L. Stejneger; 1 uninfected, 2 abundantly infected with Zelleriella 

 microcarya. 



