PLATE I. 



The same letters represent honiological parts on all the plates. 



Cheiroplatea cenobita (p. 12). 



Fig. 1$. Lateral view; enlarged twice. 



„ la. Ophthalmopod or eye. 



,, 16. First antenna. 



„ lc. Second antenna. 



„ Id. Siagon or mandible. 



,, le. First siagnopod or maxilla. 



,, If Second siagnopod or maxilla. 



,, la. Third siagnopod or maxilla (injured ?). 



„ \h. First gnathopod. 



,, li. Second gnathopod. 



„ Ik. First pair of pereiopoda, chelae. 



,, In. Fourth pereiopod ; terminal joints. 



„ lo. Fifth pereiopod ; terminal joints. 



„ Ibr. Branchial plume. 



,, lr. String of ova. 



„ lvzv. Rhipidura ; z, telson ; v,v, posterior pair of pleopoda. 



Cheramus orientalis (p. 30). 



,, 2. Lateral view ; enlarged four times. 



,, 2c. Cephalon and carapace (dorsal view). 



„ 2a. Ophthalmopod or eye. 



„ 2b. First antenna. Flagella. 



,, 2i. Second gnathopod. 



„ 2o. Fifth pereiopod ; terminal joints. 



,, 2q. Second pleopod. 



,, 2r. Third pleopod. 



„ 2s. Fourth pleopod ; rns, stylamblys, cincinnuli, and hair ; magnified. 



,, 2br. Branchial plume. 



,, 2br. Section of branchia. 



„ 2v. Posterior pleopoda, margin ; magnified. 



„ 2z. Telson. 



