PLATE 9. 



Cryptolithus tessellatus Green. Upper drawing by C. E. Beecher ; lower drawing by Miss 

 F. E. Isham, under the direction of C. E. Beecher. 



Fig. i. Appendages of the thorax and pygidium, seen from the ventral side. These 

 are not restorations, but drawings from the halved individual numbered 236 (right side of 

 drawing) and 235. For photographs of these specimens, see pi. 7, figs. 2, 4. x 20. 



Fig. 2. Appendages of the thorax and pygidium, seen from the dorsal side. Same 

 specimen as in fig. i. For photographs, see pi. 7, fig. 5, and pi. 8, fig. 3. x 20. 



