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MANUAL OF DP]TERMINATIVE BACTERIOLOGY 



Literature : Amies, Brit. Jour. Exp. 

 Path., 15, 1934,314-320; Brain, ibid., U, 

 1933, 67-73; Bruusgaard, Brit. Jour. 

 Derm. Syph., 44, 1932, 1-24 ; Goodpasture 

 and Anderson, Am. Jour. Path., 20, 1944, 

 447-453; Havens and Mayfield, Jour. 

 Inf. Dis., 50, 1932, 242-248; Irons et al.. 

 Am. Jour. Hyg., 33, (B), 1941, 50-55; 

 Kundratitz, Monatsschr. Kinderheilk., 

 29, 1925, 516-523; Lipschiitz and Kundra- 

 titz, Wien. klin. Woch., 38, 1925, 499-503. 



2. Briareus morbillorum spec. nov. 

 From New Latin ynorhilli, measles. 



Common name : Measles virus. 



Host: HOMINIDAE—Honw sapiens 

 L., man. Experimentally, also CERCO- 

 PITHEC ID AE— Macaco, mulalta (Zim- 

 mermann), rhesus monkej'. P H ASI- 

 AN I DAE— Gallus gallus (L.), chick 

 embryo (no lesions, but 30 serial pas- 

 sages). 



Geographical distribution: World-wide 

 except in isolated communities. 



Induced disease : In man, after incuba- 

 tion period of 7 to 21 days, bright red spots 

 on buccal mucosa, especially near first 

 molar tooth (Koplik's spots) followed by 

 rash on face, head, neck, then arms. 



trunk, and legs; papules often crescents, 

 lesions usually discrete ; rash fades, leav- 

 ing brownish discoloration and desqua- 

 mation. 



Transmission: By contact. By drop- 

 lets. 



Serological relationships : Convalescent 

 serum is reported to modify the course of 

 the induced disease if administered in- 

 travenously in the preeruptive stage. 



Immunological relationships : Specific 

 immunity in man after attack. 



Thermal inactivation : At 55° C in 15 

 minutes. 



Filterability : Passes Berkefeld N filter 

 candle and Seitz EK disks. 



Other properties: Viable at —35° C 

 for at least 4 weeks. Not inactivated by 

 10 per cent anesthetic ether in 40 minutes. 



Literature : Blake and Trask, Jour. 

 Exp. Med., 33, 1921, 385-412; Gordon and 

 Knighton, Am. Jour. Path., 17, 1941, 

 165-176; Hedrich, Am. Jour. Hyg., 17, 

 1933, 613-636 ; Kohn et al., Jour. Am. Med. 

 Assoc, 111, 1938, 2361-2364; Rake and 

 Shaffer, Jour. Immunol., 38, 1940, 177-200; 

 Kakeet al.. Jour Inf. Dis.,eS, 1941,65-69; 

 Scott and Simon, Am. Jour. Hyg., 5, 1925, 

 109-126. 



Genus III. Scelus gen. nov. 



Viruses of the Herpes Group, inducing diseases characterized in general by vesicular 

 primary lesions, sometimes with subsequent involvement of the nervous system. 

 Generic name from Latin scelus, rascal. 



The type species is Scelus recurrens spec. nov. 



Key to the species of genus Scelus. 



I. In man, cause of so-called fever blisters, herpes febrilis. 



1. Scelus recurrens . 

 II. In swine, cause of pseudorabies. 



2. Scelus suillum. 

 III. In monkey. 



3. Scelus beta. 



IV. In rabbit, course of the induced disease in nature unknown. 



4. Scelus teriium. 

 V. In sheep, cause of ovine balano-posthitis. 



5. Scelus ulcer is. 

 VI. In mice, cause of ectromelia. 



6. Scelus marmorans. 

 VII. In cattle, cause of erosive stomatitis. 



7. Scelus bovinum. 



