LEIDYANA. 



97 



Genus LEIDYANA Watson, 1915. 



Leidyana, Watson, 1915, p. 35 ; 1916, p. 44 ; Kamm, 1922, pp. 10, 

 72 ; Reichenow, 1929, pp. 895-6 ; Kudo, 1931, pp. 296-7. 



Sporonts solitary, epimerite a simple globular sessile knob. 

 Gametocyst possesses spore-ducts. Sporocysts barrel-shaped, 

 in chains. 



32. Leidyana gryllorum (Cuenot) Watson. (Fig. 34.) 



Clepsidrina gryllorum, Cuenot, 1897, pp. 52-4. 

 Gregarina macrocephala, Labbe, 1899, p. 10. 

 Gregarina gryllorum, Cuenot, 1901, pp. 594^5. 

 Leidyana gryllorum, Watson, 1916, pp. 120-1, fig. 209. 

 ^Leidyana gryllorum, Bhatia & Setna, 1924, p. 288. 



Sporonts sohtary, never associative, cylindrical. Ratio of 

 length of protomerite to total length 1:5; width of protomerite 



Fig. 35. 



Fig. 34 



Fig. M.~Leidyana gryllorum (Cuenot). (After Cuenot.) 



Fig. ^5.— Leidyana xylocopas Bh. & Set. (After Bhatia and Setna.) 



to width of deutomerite 1 : 1-1. Epimerite globular and 

 sessile. Protomerite subspherical, with deep constriction 

 at septum. Deutomerite cylindrical, generally conical at the 

 end. Nucleus spherical, generally with three karyosomes and 

 numerous fine chromatin particles. Gametocysts spherical 

 or ovoidal. Spore-ducts 3-8 fx in length ; sporocysts barrel- 

 shaped. 



Dimensions. — Sporonts 420 [x m length ; gametocysts 190- 

 240 /x in diameter ; sporocysts 7 ju, in longer axis. 



SPOK. H 



