PLATE X. 
Fig. 1 . Picroceroides tubularis, n. gen. and sp., adult male, 
Fig. la. Lateral view (in outline) of the carapace, 
Fig. 1 b. Inferior view of the cervical region, showing the eyes, 
antennse, and exterior maxillipedes, . 
Fig. le. Chelipede, . 
Fig. 2. Macrocceloma concava, n. sp., adult male, . 
Fig. 2a. Lateral view of carapace in outline, 
Fig. 2 b. Inferior view of the cervical region, showing the form of the 
antennse and exterior maxillipedes, 
Diam. Page 
x 4 77 
x I 2 
x 2i 
x 4 
x 11 81 
nat. size. 
x 2 
Fig. 3. Mithrax sp., young male example, . . . x 5 89 
Fig. 3a. Inferior view of the cervical region, showing the basal 
antennal joint and maxillipedes ; considerably magnified. 
Fig. 3 b. Chelipede of the same specimen. 
Fig. 4. Lambrus intermedius, Miers, adult male (from the type- 
specimen, from the Korean Channel, in the collection 
of the British Museum), . . . x about 2 96 
Fig. 5. Lambrus ( Aulacolambrus ) hoplonotus, var. granulosus , 
Miers, adult female, ..... 
98 
