170 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I4I 



the organism in 85 percent of over 3,000 B. orientalis. Parisi (1910) 

 found the flagellate present in very large numbers. 



Monocercomonoides panesthiae Kidder 



Natural host. — Panesthia angustipennis, Philippine Islands (Kid- 

 der, 1937) : In hind gut. 



Tetratrichomastix blattidarum Young 



Natural hosts. — Blatta orientalis, Blattella gcrmanica, Periplancta 

 americana, U.S.A. (Young, 1935) : The organism when present 

 occurs in large numbers in the posterior part of the intestine near the 

 anus. The protozoan was successfully cultivated in a hemoglobin- 

 saline medium. 



Family OXYMONADIDAE 

 Oxymonas doroaxostylus (Cleveland et al.) 



Synonymy. — Saccinohaculus doroaxostylus Cleveland et al. [Cleve- 

 land, 1950]. 



Natural host. — Cryptocercus punctulatus, U.S.A., Appalachian and 

 Pacific coast areas (Cleveland et al., 1934). 



Oxymonas nana Cleveland 

 Synonymy. — Saccinohaculus minor Cleveland et al. [Cleveland, 



1950]- 



Natural host. — Cryptocercus punctulatus, U.S.A., Appalachian and 



Pacific coast areas (Cleveland et al., 1934). 



Family DINENYMPHIDAE 



Saccinobaculus ambloaxostylus Cleveland et al. 



Natural host. — Cryptocercus punctulatus, U.S.A., Appalachian and 

 Pacific coast areas (Cleveland et al., 1934). 



Saccinobaculus lata Cleveland 



Natural host. — Cryptocercus punctulatus, U.S.A. (Cleveland, 

 1950b) : There are at least two other species of Saccinohaculus in C. 

 punctulatus that have not been described. 



Notila proteus Cleveland 



Natural host. — Cryptocercus punctulatus, U.S.A., Appalachian and 

 Pacific coast areas (Cleveland, 1950b). 



