TEBUESTllIAL ISOPODA OF NATAL. 487 



Ligia dilatata Brandt. 

 Fig. 19. — X 3. Dorsal view. 

 Fig. 20. — X o'5. Anterior view of the cephalon. 

 Fig. 21. — Right antennule, ventral view. 

 Fig. 22. — X 5. Left antenna, dorsal view. 



Fig. 23. — Terminal portion of the inner and outer lobes of the right 

 1st maxilla, ventral view. 



Fig. 24. — x 9. Second mesosoniatic appendage. 

 Fig. 25. — X 9. Seventh mesosoniatic appendage. 

 Fig. 26. — X 6. Dorsal view of the right nropod. 

 Fig. 27. — X 4. Dorsal view of the telson. 



PLATE XXIX. 

 Alloniscns mar inns n. sp. 

 Fig. 28. — x 5. Dorsal view. 

 Fig. 29. — x 8"5. Dorsal view of the cephalon. 

 Fig. 30. — X 8. Anterior view of the cephalon. 

 Fig. 31. — x 70. Left antennule. ventral view. 

 Fig. 32. — x 24. Right antenna, dorsal view. 

 Fig. 33. — x 220. Terminal style of antenna. 



Fig. 34. — X 150. Terminal portion of the inner and outer lobes of 

 the right 1st maxilla, ventral view. 



Fig. 35. — x 82. Terminal portion of the left maxillipede. 



Fig. 36. — X 21. Dorsal view of the right nropod. 



Fig. 37.— X 21. Ventral view of the right nropod. 



Fig. 38. — Dorsal view of the telson and last metasomatic segment. 



Porcellionides pruinosus (Br.). 

 Fig. 39. — Dorsal view of the cephalon. 

 Fig. 40. — Anterior view of the cephalon. 

 Fig. 41. — Left antenna, dorsal view. 



Fig. 42. — Terminal portion of the inner and outer lol:ies of the 

 right 1 st maxilla, ventral view. 



Fig. 43. — Second maxilla of right side, ventral view. 

 Fig. 44. — Terminal portion of the right maxillij^ede. 

 Fig. 45. — Second mesosoniatic appendage. 

 Fig. 46. — Dorsal view of the right nropod. 



Fig. 47. — Dorsal view of the telson and last metasomatic segment. 

 VOL. 4j PART 2. 33 



