SpiroBchaudinnia Schaiidinn—see

(spi"ro-show-din'i(-ah) [G. speir a, a coil, Schaudinnella.] genus of Spirochetidce, formerly, and still by many, included in the genus Spirochceta. S. ber'bera, the cause of North African relapsing fever. S. car'teri, the cause of Asiatic relapsing fever. S. dut'ton i, the cause of West African relapsing fever. S. no'vyi, the cause of North American relapsing fever. S. recurren'tis, Spi' rocktBta obermeieri, the cause of European relapsing fever. S. ros'si, the cause of East African relapsing fever, resembles and may be identical with 5. duttoni. S. vincen'ti, Vincent's spirillum which, in symbiosis with Vincent's bacillus, is the cause of Vincent's angina.