302 Mr. Newport on the Class Myriapoda, Order Chilopoda. 



Fig. 13. Superior surface of the extremity of the body in the same. 



Fig. 14. Inferior surface. 



.15. Superior surface of head of Arthronomalus longicornis, Newp. a. Cephalic seg- 

 ment, b. Basilar ditto, c. Sub-basilar ditto. 



Fig. 16. Inferior surface of the same, g, m. The mandible. 



Fig. 1 7. Head of Mecistocephalus punctifrons. Newp. 



Fig. 18. Head of Mecistocephalus punctilabratus, Newp. 



Fig. 19. Inferior surface. 



Fig. 20. Head of Crypt ops sexspinosus, Say. 



Fig. 21. Superior surface of termination of body in the same. 



Fig. 22. Inferior surface, q. The preanal scale, r. The lateral anal appendages, or united 

 coxa and epimeral plates, s. The femoral spines. 



Fig. 23. Labium of Cryptops. 



Fig. 24. Inferior surface of head of ditto. 



Fig. 25. Head of Cryptops anomalans. 



Fig. 26. Inferior surface of head of the same. 



Fig. 27. Head of Henicops. 



Fig. 28. Under surface of the head of the same, b, c. Labrum. /, g. Mandibles, a. Cepha- 

 lic ; b, c. Basilar segment. 



Fig. 29. Lateral view of the head of Lithobius americanus, Newp. 



Fig. 30. Under surface of the head of a very young individual of Lithobius Leachii, show- 

 ing the two halves of the labium not yet united. 



Fig. 31. Labium of Lithobius. 



Fig. 32. Labium of Lithobius. 



Fig. 33. Dorsal surface of the body in the family Lithobiida. 



Fig. 34. Ventral surface of the terminal segments and legs in Lithobius. a. The transverse 

 excavations in the coxae. 



Fig. 35. Lateral view of the head in Scolopendra Hopei. 1, 2, 3, 4. The cephalic region. 

 5, 6, 7, 8. The united basilar and sub-basilar regions, a, b. The first and second 

 spiracles. 



Fig. 36. Head of Cermatia. a. Cephalic region, b, c. The atrophied basilar region. 



/ to m. The mandible. 

 Fig. 37. The dorsal plates in Cermatia. 0,0. The stomata. p. The marginal spines. 

 Fig. 38. The terminal portion of body in the same genus. 



