PLATE II. 



Cheramus occidentalis (p. 32). 



Fig. 1 . Lateral view ; enlarged two and a half times. 

 „ 1C. Cephalon, lateral view of carapace, with ophthalmopod, first antenna, and 



peduncle of second. 

 „ lz. Telson ; v, sixth pair of pleopoda. 



CaMianassa occidentalis (p. 29). 

 „ 2k. First pereiopod ; natural size. 



Scallasis amboinse (p. 34). 



3. Lateral view ; enlarged four times. 

 3a,a. Ophthalmopoda. 

 3b. First antenna. 



3i. Second pair of gnathopoda (attached). 



3o. Fifth pereiopod. 



3r. Third pleopod. 

 3r.ms. Stylamblys ; magnified. 



3br. Branchial plume. 



3vzi;. Rhipidura ; z, telson ; v,v, posterior pair of pleopoda. 



4. Ventral aspect; enlarged six times. Posterior somites of pleon and rhipidura 

 reversed. 



