TOXOPLASMA 



489 



usually in mononuclear and polymorphonuclear cells in the spleen 

 and internal organs. Rarely seen in the blood. 



Type Species. — Toxoplasma gondii Nicolle and Manceaux, 190S. 



Other Species,— r. c^/^^'cz//-/ Splendore, 1909, found in Oryctolagus 



i 



Fig. 159. — Toxoplasma pyrogenes Castellani, 1913. 



cuniculus in Brazil, and T. canis Mello, 1910, found in the dog in 

 Italy, Germany, and Brazil. These two forms and T. pyrogenes 

 Castellani, 1913, found in man are all pathogenic. 



T. talpce Prowazek, 1910, in Japan; T. musculi Sangiorgi, 1913, 

 in Mus niusculus in Italy ; T. sciitri Coles, 1914, in England ; T. ratti 



Figs. 160-162. — Toxoplasma pyrogenes CASTEL,i.Am, 1913. 



Sangiorgi, 1915, in Mus rattus in Italy; T. sp. (?) Plimmer, 1915, in 

 Cryptoprocta ferox ; T. cavice Carini and Migliano, 1916; T. sp. (?) 

 Theze, 1 91 6, in Myceles sent cuius are mammalian parasites. 



A number of forms are known in birds — e.g., T. avium Adie, 1909; 

 T. sporophilcB (Aragao, 1911); T. neophrontis Todd and Nolbach, 



