Chilopods of the (ren;/.? Mecistocephalus. 335 



EXPLANATION OF THE PLATES. 

 Plate IX. 



Mecistocephalus celebensis, sp, n. 



Fig. 1. Head in outline, x 14. 



Fig. 2. Median re;>ion of labrum. X 195. 



Fig. 3. Maxillse, ventral view, x 23. 



F'ig. 4. Mandible, distal region, x 100. 



Fig. 5. First lamella of mandible, x 315. 



Fig. 6. Fourth lamella of mandible. X 315. 



Fig. 7. Rigbt prebeusor and part of prosternum. X 14. 



Fig. 8. Impression of tenth sternite. x 44. 



Fig. 9. Impression of twentieth sternite. x 44. 



Meeistocejyhalus eephalotes, Meinert. 

 Fig. 10. Median region of labrum. x 195. (Java.) 



Mecistocephalus jihilippinus, sp. n. 



Fig. 11. Ventral plate of pregeuital segment witli right coxopleura. 

 X 24. 



Plate X. 



Mecistocephalus ph{Ii])piniis, sp. n. 



Fig. 1. Head in outline. X 14. 



Fig. 2. Median region of labrum. x 195. 



Fig. 3. Maxillfe. X 23. 



Fig. 4. First lamella of mandible, x 325. 



Fig. 5. Fifth lamella of mandible. X 325. 



Fig. 6. Right prebeusor and part of prosternum, ventral view. X 14. 



Fig. 7. Impression of tenth sternite. X 24. 



Fig. 8. Impression of twentieth sternite. x 24. 



Mecistocepihalus nagasnunus, sp. n. 

 Fig. 9. Head in outline. X 45. 



Fig. 10. Right prebeusor and part of prosternum, ventral view, x 45. 

 Fig. 11. Impression of eighth sternite. x 75. 



Plate XI. 

 Mecistocephalus nagasaunus, sp. n. 



Fig. 1. Anterior region of head with maxillae removed, ventral view. 



X 75. 

 Fig. 2. Median region of labrum. x 315. 

 Fig. 3. Maxilhe, ventral view, x 70. 

 Fig. 4. First lamella of mandible, x 775. 



Mecistocephalus medius, sp. n. 



Fig. 5. Head in outline, dursal view, x 30. 



Fig. 0. Anterior part of head, maxillte removed, in ventral view, 



X 45. 

 Fig. 7. Median region of labrum. X 320. 

 Fig. 8. Maxilla?, ventral view, x 45. 



