PLATE D. 



Fig. 1. Lathonura rectirostris. 



female, from above, a. eye. b. optic ganglion, c. mus- 

 cles of eye. d. muscles of antenna, e. dorsal sucking 

 disc. f. stomach, g. young in brood cavity. 



Fig. 2. female, from side. 



Fig. 3. head seen from below. 



Fig. 4. maxillae. 



Fig. 5. first foot. 



Fig. 6. ovary. 



Fig. 7. antennule. 



Fig. 8. last foot. 



