240 BULLETIN OF THE BUREAU OF FISHERIES. 



Ceratomyxa attenuata. 



Fig. 27. Vegetative trophozoite. X 700. 

 Fig. 28. Spore from above. X 950. 



CeraioTnyxa recurvata. 



Fig. 29. Vegetative trophozoite. Drawn from a wet smear fixed in formol-corrosive-acetic and stained 



with acid hemalum. X 950. 

 Fig. 30. Portion of trophozoite showing several generative cells and sporoblasts. Drawn from a wet 



smear stained with iron hematoxylin. X 1,500. 

 Fig. 31. Large trophozoite showing several generative cells and sporoblasts. Drawn from a Giemsa 



smear. X 950. 

 Fig. 32,33. Spores from above. X 1,500. 



Ceratomyxa lunata. 



Fig. 34,35. Spores from above. X 1,500. 



Plate XIX. 



Ceratomyxa lunata. 

 Fig. 36. Spore from above. X 1,500. 

 Fig. 37. Spore from capsular side. X 1,500. 



Ceratomyxa abbreviata. 



Fig. 38. Vegetative trophozoite. X 700. 



Fig. 39. Vegetative trophozoite containing two generative cells and one vegetative nucleus. Drawn 



from a wet smear stained with iron hematoxylin. X 1,500. 

 Fig. 40. Two spores viewed from the end. X 640. 

 Fig. 41. Spore from above. X 1,500. 



Ceratomyxa flagellifera. 

 Fig. 42. Spore from above. X 750. 

 Fig. 43. Vegetative trophozoite. X 400. 



Ceratomyxa agglomerata. 



Fig. 44. Vegetative trophozoite. X 1.500. 

 Fig. 45. Spore from above. X 1,500. 



Ceratomyxa amorpha. 



Fig. 46. Vegetative trophozoite. X 700. 

 Fig. 47. Spore from above. X 1,500. 



Ceratomyxa monospora. 



Fig. 48. Vegetative trophozoite. X 1,500. 



Fig. 49. Vegetative trophozoite. Drawn from unstained specimen killed in osmic vapor. X 1,500. 



Fig. 50. Vegetative trophozoite in which two sporoblasts can be faintly seen. X 1,500. 



Fig. SI. Disporous sporulating trophozoite. X 1,500. 



Plate XX. 



Ceratomyxa monospora. 



Fig. 52-54. Monosporous sporulating trophozoites. X 1,500. 



Fig. 55. Spore from above. From the gall bladder of P. alepidotus. X 1,500. 



Fig. 56, 57. Spores form the gall bladder of P. evolans. X I1500. 



Ceratomyxa sireptospora. 



Fig. 58. Sporulating trophozoite. X 640. 

 Fig. 59,60. Spores from above. X 1,400. 



