EXPLANATION OF PLATE LVL* 



Siiihoiiceceles australis, sp.nov, 



n.s. — Line indicating natural size of specimen figured below. 



C. — Front of head, from another specimen, female. 



U.S., a.i. — First antenna, and all but first two joints of second 

 antenna. 



gn.l, gn 2. — First and second gnathopods. 



prp. 2, Jf., 5. — First, fourth, and fifth peraeopods. 



urp. 1, 2, 3. — First, second and third uropods. 



T,, urp. 1. — Dorsal view of part of pleon, showing the three 

 uropods and telson in position, the uropods, however, not 

 so closely folded upon one another as when first extracted 

 from the shell. 

 All the detail figures are drawn to the same scale of magnifica- 

 tion, and all are taken from the specimen figured in full, 

 except the dorsal view of the front of the head. 



