_Plistophora periplanetae_, p. 186. _Plistophora_ sp., p. 186. _Retortamonas blattae_, p. 167. _Stenophora_ sp., p. 181. _Tetratrichomastix blattidarum_, p. 170. Helminths: _Ascaris_ sp., p. 209. _Enterobius vermicularis_, p. 209. _Gongylonema neoplasticum_, p. 206. _Gordius blattae orientalis_, p. 202. _Hammerschmidtiella diesingi_, p. 195. _Hammerschmidtiella neyrai_, p. 196. _Leidynema appendiculata_, p. 197. _Spirura gastrophila_, p. 207. _Thelastoma pachyjuli_, p. 201. _Trichostrongylus_ sp., p. 210. _Trichuris trichiura_, p. 210. Mite: Undetermined, pp. 220, 222. Insects: _Dermestes ater_, p. 234. _Dermestes_ sp., p. 234. _Evania appendigaster_, p. 236. _Evania dimidiata_, p. 239. _Prosevania punctata_, p. 240. _Systellogaster ovivora_, p. 248. _Tetrastichus hagenowii_, p. 250. _Tetrastichus_ sp., p. 254. Bird: Chicken, p. 278. Mammal: _Homo sapiens_, p. 286. =Blatta= sp. Hair worm: _Gordius aquaticus_, p. 201. Insects: _Evania appendigaster_, p. 236. _Tetrastichus hagenowii_, p. 250. =Blattella germanica= and/or =Blattella vaga= Viruses: Unspecified strains of poliomyelitis virus, p. 103. =Blattella germanica= Bacteria: _Achromobacter_ sp., p. 110. _Aerobacter aerogenes_, p. 111. _Aerobacter cloacae_, p. 112. _Alcaligenes faecalis_, p. 111. _Alcaligenes viscosus_, p. 111. _Bacillus circulans_, p. 120. _Escherichia coli_, p. 112. _Escherichia freundii_, p. 113. _Micrococcus aurantiacus_, p. 106. _Micrococcus epidermidis_, p. 106. _Micrococcus pyogenes_ var. _albus_, p. 107. _Micrococcus pyogenes_ var. _aureus_, p. 107. _Micrococcus ureae_, p. 107. _Micrococcus_ sp., p. 108. _Mycobacterium leprae_, p. 123. _Paracolobactrum aerogenoides_, p. 113. _Paracolobactrum coliforme_, p. 113. _Paracolobactrum_ sp., p. 113. _Pseudomonas aeruginosa_, p. 104. _Sarcina symbiotica_ (host may have been _B. orientalis_), p. 108. _Salmonella typhimurium_, p. 116. _Serratia marcescens_, p. 117. _Streptococcus faecalis_, p. 109. _Streptococcus_ sp., p. 110. Fungi: _Aspergillus flavus_, p. 130. _Aspergillus tamarii_, p. 130. _Aspergillus_ sp., p. 130. _Cordyceps blattae_, p. 134. _Herpomyces ectobiae_, p. 135. _Memnoniella echinata_, p. 132. _Saccharomyces_ sp., p. 133. Protozoa: _Bodo_ sp. (host may have been _P. americana_), p. 167. _Coelosporidium periplanetae_, p. 185. _Dobellina_ sp. (host may have been _P. americana_), p. 177. _Endamoeba blattae_ (host may have been _P. americana_), p. 177. _Endolimax_ sp. (host may have been _P. americana_), p. 180. _Entamoeba coli_ (host may have been _P. americana_), p. 178. _Entamoeba histolytica_ (host may have been _P. americana_), p. 179. _Entamoeba thomsoni_, p. 179. _Eutrichomastix_ sp. (host may have been _P. americana_), p.