126 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I4I 



* "Bacillo proteisimile" of Cao 



Natural and experimental vectors. — Blatta orientalis, Italy (Cao, 

 1898, 1906). 



* "Bacillo del barbone del bufali" of Cao 



Experimenal vectors. — Blatta orientalis, Italy (Cao, 1898). 



* "Bacillo similcarbonchio" of Cao 



Natural and experimental vectors. — Blatta orientalis, Italy (Cao, 

 1898, 1906). 



* "Bacillo similtifo" or "Bacillo tifosimile" of Cao 



Natural and experimental vectors. — Blatta orientalis, Italy (Cao, 

 1898, 1906). 



"Bacillus" 



Natural infection. — Blatta orientalis, Germany (Heinecke, 1956) : 

 Disease organism found in the hemolymph of infected cockroaches. 

 It can be spread by mouth and through wound infection. The animals 

 died with symptoms of paralysis in 85-90 days. The organism has 

 been isolated and is in the culture collection of the Institute for 

 Microbiology and Experimental Therapy, Jena, under the numbers 

 SO 896, Strain A ; SG 897, Strain B ; SG 898, Strain C. 



Experimental infection. — Blattclla germanica, Germany (Heinecke, 

 1956) : Infected animals died in 26-30 days. 



Periplaneta americana was unaffected even by heavy inoculations 

 of the pathogen, 



"Bacterium" 



Source. — (I) Diseased silkworm larvae. (II) Diseased Ocneria 

 dispar larvae and blood of Blatta orientalis. 



Experimental infection. — (I) (II) Blatta orientalis, Europe (Fila- 

 toff, 1904) : Organism pathogenic when injected, nonpathogenic when 

 ingested. 



(I) Cockroach, U.S.A. (Glaser, 1925) : Organism pathogenic to 

 cockroach when injected. 



"Coccobacillus" 



Natural infection. — Blatta orientalis, France (Hollande, 1934) : 

 Organism described morphologically. 



"Colon bacilli" 



Natural vectors. — Cockroaches [presumably Blatta orientalis, Blat- 

 tclla germanica, and/or Periplaneta americana], Egypt (El-Kholy 



