The Rotatorian Genus Diaschiza. 11 



extended as when the animal swims freely. It has a frontal eye, 

 slightly marked clefts, short toes, almost straight, slightly recurved. 

 The sperm-sac fills the greater part of the body-cavity. 



It is without manducatory organs. 



The three antennse are to be found in their usual situations. 



Its length is a little more than half that of the female. 



This is the last of the group with a frontal eye. The second 

 group consists of those species with a cervical eye. 



Diaschiza lacinulata Miiller. 

 PI. II. figs. 6 and 6a. 



Synonymy. 



Vorticella lacinulata Miiller. 

 Ecclissa lacinulata Schrank. 



„ felis Oken. 

 Furcularia lacinulata Lamarck. 



„ lobata Bory de S. Vincent. 



Plagiognatha lacinulata Dujardin. 

 Notommata lacinulata Ehrenberg. 



„ ,, Gosse. 



„ ovulum Gosse. 



Proalcs gibba Gosse (nee Ehrenberg). 

 Notostcmma bicarinata Bergendal. 

 Notommata cuncata Thorpe. 

 Plagiognatha lacinulata Tessin-Biitzow. 



BIBLIOGRAPHY. 



"Muller, 0. F.— Animalc. Infusor. Hauniae, 1786, p. 292, pi. 42, figs. 1-5. 



Schrank. — Faima boica, iii., 1803, 2, 107, 109. 



Oken. — Lehrbuch d. Naturg., iii. 1815, 1, pp. 45, 844. 



Lamarck. — Hist. Nat. d. anim. s. vert., ii. 1816, p. 38. 



Bory de S. Vincent. — Encyclop. method. Vers., 1824. 



Ehrenberg, C. G. — Die Infusionsthierchen. Leipzig, 1838, p. 428, pi. 51, 



fig. 4. 

 Dujardin, F. M. — Hist. Nat. d. Zoophytes Infusoires. Paris, 1841, p. 652, 



pi. 18, fig. 6. 

 Leydig, F. V. — Ueber den Bau u. d. syst. Stell. d. Biiderthiere. Zeitsch. f. 



wiss. Zool., Bd. vi. 1854, p. 38. 

 Gosse, P. H. — Mancluc. Org. in class Eotif. Phil. Trans. Eoy. Soc. London, 



1855, p. 432, pi. 17, figs. 32-34. 

 Bartsch, S. — Die Kaderth. u. ihre bei Tubingen beob. Arten. Stuttgart, 1870, 



p. 35. 

 Eckstein, C. — Die Botatorien der Umgeg. von Giessen. Zeitsch. f. wiss. Zool., 



Bd. 39, 1884, p. 364, pi. 24, fig. 22. 

 Eyferth, B. — Die einfachsten Lebensformen. Brunswick, 1885, p. 107, 



pi. vii. fig. 18. 

 Blochmann, F. — Die mikrosk. Pflanz. u. Thierw. des Siisswassers. Bruns- 

 wick, 1886, p. 100. 



