THE OPALI^S^ID CILIATE INFUS0RIA:N-S. 347 



[Z]. while a few species of doubtful classification are annotated 

 [ZfJ. 



Salamandridae (1 species of host, 1 species of Opalinu). 

 Triturus alpestris {0. ranarum [L]); Switzerland. 

 Dissoglossidae (1 species of host, 1 species of Opalina). 



Bombina Ijomhina {O. ranarum [Z.]); Switzerland. 

 Pelobatidae (2 species of hosts, 3 species of Opalina). 



Scaphiopus hammondii {O. oblanceolata [^]); northern 



Mexico, Arizona. 

 Scaphiojms solitarius {0. ohtrigonoidea, [A]) ; North Carolina. 

 Hylidae (24 species and subspecies of hosts, 16 or 17 species and sub- 

 species of Opalina). 



Acris gryllus (O. virguloidea magninucleata^ [^]) ;North Caro- 

 lina. 

 Agalychnis helenae {0. heleTiae^ [-^Dj Nicaragua, Costa Kica. 

 Agalychnis moreletei {O. moreletei [Z.?]) ; Guatemala. 

 Chorophilus feriarum (O. chrophili, [A]) ; North Carolina, Dis- 

 trict of Columbia. 

 Chorophilus oGcidentalis {0. chorophili, [A]) ; Georgia, Florida. 

 Chorophilus ornatus (0. chrophili, [A]) ; Texas. 

 Chorophilus triscriatus {0. chrophili, [A]); North Carolina, 



northern Ohio. 

 Hyla arhorea (O. ohtrigona, [4]) ; central Europe. 

 Hyla arhorea japonica {O. ohtrigona, [^]) ; Japan, Manchuria. 

 Hyla arhorea. savignyi {O. ohtrigona, [4]) ; Jerusalem. 

 Hyla arenicolor {O. ohtrigonoidea, [A]) ; Arizona. 

 Byla haudinii {O. guatemalae, [Z.?]) ; Guatemala, Mexico. 

 Hyla cinerea (O. ohtHgonoidea orhiculata, [^]); Texas, Lou- 

 isiana, Florida, Maryland. 

 Hyla evittata {O. terrae-maria, [Lf] ; Maryland. 

 Hyla eximia {O. virguloidea, [^]) ; Mexico. 

 Hyla femoralis {O. ohtrigonoidea, [A]) ; Georgia. 

 Hyla pickeringii {O. ohtrigonoidea, [A'\) ; Illinois. 

 Hylapichemngii {0. pickeringii, [^]) ; North Carolina, District 



of Columbia, Ohio, British America. 

 Hyla regilla {O. oregonensis, [4]) ; Vancouver Island. 

 Hyla. regilla {O. virguloidea, \_A'\) ; Los Angeles County. Cali- 

 fornia. 

 Hyla septentrionalis {Opalina sp. \_A']), Cuba. 

 Hyla versicolor {O. hylaxena, [-4]); Michigan, Massachusetts, 



Georgia. 

 Hyla versicolor {O. hylaxena parvinucleata, [A]); Michigan, 



Massachusetts, Georgia. 

 Hyla versicolor chrysoscelis {0. sp. ?, [A]) ; Texas. 



