74 



BULLETIN OK THE LABORATORIES 



Fig. i. 



Fig. 2. 



riety. 



Pig- 3- 



Fig. 4. 



shown. 



Fig. 6. 

 Fig. 7. 



Fig. 8. 



Fig. 9. 



Fig. 10. 



Fig. 11. 



£■&■. 12. 



EXPLANATION OF PLATES. 



PLATE I. 



Brachionus baker i. [Variety) Lorica, ventral view. 



do do Cephalo-dorsad margin of the lorica, one va- 



Brachionas baketi. Dorsal view. 



Asplanchna cincinnatiensis . The left focculent ribbon is not 



Brachionus tuberculus. Lorica, ventral view. 



Anuraea cochlearis . 



Metopidia elliptica. Ventral view. 



Metopidia dentata. Lorica, with foot. Ventral view. 



Monostyla quadridentata. 



Monostyla truncata. 



Cathy pna leontina. Ventral, view. Lorica, with toes, trophi, 



and eye. 



