RHODO-THIOBA CTERIA 1 73 



is discarded and reproductive activity is intense. Colour, 

 red (Fig. 48). 



Habitat. — Widely distributed in waters containing hydrogen 

 sulphide. 



\ 



0® "^ 

 0® 



r 0© I 



I- ^ ^^ i 



Fig. 48. — Thiopedia rosea, x 750. 



Note on "Genus" Lamprocystis. 

 The following " species " are given for purposes of reference. 

 All except the first were found by Miyoshi, and brought under 

 Lamprocystis by Migula. 



Lamprocystis roseo-persicina. 



Literature. — Kiitzing (i), 1833, (2), 1843, and (3), 1849; 

 Cohn (4), 1864; Fleischer (i), i860; Rabenhorst (2), 

 1868; Cohn (10), 1875; Warming, 1875 and 1876; 

 Zopf (i), 1887; Winter (i), 1884; Winogradsky (i), 

 1887, and (2), 1888; Engelmann (3), 1888; Migula (2), 

 1895 ; Bergey, 1923 ; Bavendamm, 1924. 



Spherical-ellipsoidal cells, 2-i — 2-5ju. in diameter. Colour 

 intense violet (Fig. 49). 



Lamprocystis violacea (Miyoshi), Migula. 



Literature. — Miyoshi (i), 1897 ! Migula (3), 1900 ; Bergey, 

 1923 ; Bavendamm, 1924. 



Named Thiosphcerion violaceum by Miyoshi. Spherical- 

 ellipsoidal cells, 2-5/Lt X i"8/x,, and capable of motility. Found 

 in solid families surrounded by slime. Colour violet. Angular 

 sulphur granules. See page 167. 



Habitat. — Sulphur springs in Japan. 



