OPALINID CILIATE INFUSORIANS — METCALF 



477 



really a second part of that buUetin, I am copying some of the figures 



and part of the data from my former descriptions published elsewhere. 



Measurements, in microns: Length of body 170 Garge), 124 



(medium), 62 (small); width of body 24 (large), 23 (medium), 17 



\ 



^y 



Figure Zl.—Protoopalina stejnegeri Metcalf: a. Three individuals, X 60; 6, posterior end of an individual 

 slightly more magnified; c and d, X 450; e, X 400. (From Metcalf, 1928a.) 



(small); length of nucleus 14 (large), 13 (medium), 7 (small); width of 

 nucleus 9 (large), 8 (medium), 6 (small); cilia length 10-12; nucleoli 6. 



PROTOOPALINA TRANSVAALENSIS Fantham 



Figure 32 



Host: Bujo regularis Reuss, from Johannesburg, South Africa. 



Measurements of ordinary individuals, in microns: Body length 

 318-506, width 65-125. A young individual measured 165/i long and 

 53/x wide, a precystic individual measuring 96ai long and 28At wide, a 

 binucleate individual just hatched from the cyst measuring 46^ long 

 and 18/i wide. 



