452 DE. J. G. DE MAN ON CEUSTACEA CHIEFLY 



EXPLANATION OF THE PLATES. 



The specimens figured are from the Inland Sea of Japan, unless otherwise stated. 



Plate 31. 



Fig I. Lambrus (Oncodolamhrus) pradator, Ae Man. x 3. 



2. ,, Cephalothorax viewed from in front, x 3. 



3. . ,, Lower surface of the anterior pai't of the cephalothorax, X 10. 



4. Asthenognathus in{Bquipes,Stim}[)son. Inferior view of the cervical region, x 17. (The oblique 



position of the figure is accidental.) 



5. „ Left cheliped of the female, x 17 (the chela is turned a little backward, so that 



the full height of the palm is not visible). 



6. „ Eight leg of tlie antepenultimate pair, x 8^ (all the joints covered with a dark 



tomeutum except the dactylus). 



7. Leucosia rJiomboidalis, de Haan. Abdomen of the male, x 3. 



8. Arcayiia heptacantha (de Haan). Female, x 2. 

 y. „ Abdomen of a young male, x 3. 



10. „ Cheliped of the female, x 2. 



11. Arcania globata, ^txm'^son. x 3. 



12. „ Frout and anterior part of the cephalothorax viewed from above, x 10. 



13. „ The same, lateral view, X 10. 



14. Galathea acanthomera, Stimpson. External maxilliped of the right side of a male, X 17. 



15. „ Leg of the second pair of the same, x 10. 



16. Crangon consobrinus, deM&n. Anterior part of carapace and eye-peduncles, x 8. 



17. „ Tip of rostrum, x 50. 



18. „ Antennal scale, without the setae, x 8. 



19. „ Chela, x 8. 



Plate 32. 



Fig. 20. Crangon cass'wpe, de Man. Antennal scale without the setae, x 5. 



21. „ Extremity of the scale, without the setae, X 25. 



22. „ External maxilliped, X 5. 



23. „ Chela, x 10. 



24. „ Left leg of the fifth pair, x 5. 



25. „ Dactylus of the same leg, x 10. 



26. Leander longipes, Ortmann. Telson of the egg-bearing female, x 5. 



27. „ Extremity of the telson, x 25. 



28. „ Right leg of the second pair, x 4. 



29. ,, Toothing of the same leg, x 25. 



30. „ Teeth, more magnified, x 50. 



31. Spirontocaris rectirostris (Stimpson). Egg-bearing female, x 3. 



32. „ Antennal scale, without the setae, x 6. 



33. „ Supposed male, x 3, 



34. „ Antennal scale of the male, x 6, also without the setae. 



35. Spirontocaris propugnatrix , de Man. x 3. 



36. „ Extremity of the rostrum, x 6. 



37. „ Part of the rostrum, where the teeth of the lower margin begin, x 6. 



38. „ Anterior part of the carapace, x 10. 



