PLATE XI. 



Fig. 1. Matonidium Ooepperti (Ettingshausen). Page 76. [39,254.] 



Fig. 2. Matonidium Goepperti (Ett.). Slightly enlarged. P. 76. 



[52,594 and 52,605.] 



Fig. 3. Matonidium Goepperti (Ett.). P. 75. [V. 3660.] 



