Ciliophora 347 



the diet of certain species includes such a variety as bacteria, diatoms, 

 and small nematodes. 



The family includes the following genera, some of which are represented in both 

 fresh and salt water: Bursella Schmidt (100), Chaenea Quennerstedt (46, 98, 100; Fig. 

 7. 7, G, H), Chilophrya Kahl (100), Crobylura Andre (100), Enchelyodon Clap'arMe 

 and Lachmann (100; Fig. 7. 7, D), Enchelys Hill (100; Fig. 7. 7, I), Helicoprorodon 

 Faure-Fremiet (61a; Fig. 7. 6, I, J). Holophrya Ehrbg. (46, 98; Fig. 7. 6, G, H), 

 Ileonema Stokes (100), Lacrymaria Ehrbg. (46, 100, 165; Fig. 7. 7, B, C), Lagynophrya 

 Kahl (100; Fig. 7. 6, C), Microregma Kahl (100), Nannophrya Kahl (100), Pithothorax 



Fig. 7. 7. A. Urotricha armata Kahl, AOAbu (after Kahl). B, C. Lacry- 

 maria olor (O.F.M.) Biitschli, usually 110-160/x, sometimes extended to ISOO^uj 

 general organization (B); anterior end (C), schematic (after De Morgan). 

 D. Enchelyodon elegans Kahl, x400 (after K.). E. Remanella rnargaritifera 

 Kahl, 100-200^; ciliary pattern similar to that of Loxodes rostrum (after K.). 

 F. Pseudoprorodon emmae (Bergh) Kahl. 100-200^ (after K.). G. Chaenea 

 limicola Levander, length reaches 300^ (after Kahl). H. Chaenea teres Du- 

 jardin, anterior end of contracted specimen; schematic (after Kahl). I. 

 Enchelys gasterosteus Kahl, xl200 (after K.). J. Loxodes striatus Penard, two 

 macronuclei, Midler's vesicles; x298 (after Wang and Nie). 



