PLATE XX. 
Fig. 1. Macrophthalmus serratus, Adams and White (from an adult 
male example from the Philippines, in the collection of 
the British Museum), ..... 
Fig. la. Small male example, doubtfully referred to the same species, from 
Kob6, Japan, in the Challenger collection, . 
Fig. lfr. Chelipede of the Japanese specimen, 
Fig. 2. Gonoplax sinuatifrons, n. sp. (?), female example, 
Fig. 2 a. Anterior view of the cervical region, showing the antennae and 
part of the maxillipedes, .... 
Fig. 2l>. Anterior view of the front, showing the sinus in the frontal 
margin, . 
Fig. 2c. Exterior view of a chelipede, .... 
Fig. 3. Bathyplax typhlus, A. Milne Edwards, var. oculi feints, nov., 
frontal region and eyes, ..... 
Diam. 
nat. size. 
x 
x 6 
x 3 
x 4 
x 
X 
Ql 
d 2 
Page 
250 
246 
• 230 
x 
2 
