8 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. IIO 



a definite pattern. They do not always have a large mediodorsal tooth 

 nor are they evenly dentate. In the male that I have figured the first 

 urosome segment possesses a large mediodorsal tooth, but the second 



Fig. 2. — Ceradoctis sheardi new species. Male, a, entire animal ; b, mandible ,* 

 c, maxilla i ; d, maxilla 2 ; e, maxilliped ; /, lower lip ; g, gnathopod i ; h, gnatho- 

 pod 2; i, dorsal view of first and second urosome segments ; /, telson ; k, uropod 3. 



segment does not (fig. 2 I). In most of the specimens the median 

 tooth of the first urosome segment is larger than some of the adjacent 

 teeth and in some of the specimens there is no median tooth on the 



