(de. a. c oudemans) notes on acari, 187 



Fig. 9. Cepheus Sp. , nympha, carrying a nymphal skin. 



» 10. Ditto, part of the cast nymphal skin carried by the nympha 

 on its back. 



» 11. Ditto, pseudostigma and its organ. 



» 12. Ditto, one of the cow-horn curved hairs on the fore- 

 most pair of the flat and brown coloured appendages. 



» 13. Ditto, one of the fourth pair of flat appendages with its 

 leaf-like transparent hair. 



» 14. The same appendage of CepJieus latus Koch copied from 

 Michael. 



» 15. The same nympha as fig. 9, under-side. 



» 16. Belha geniculata Linné, larva, seen from its right side. 



» 17. Ditto, chelicera or mandibel of larva. 



» 18. Ditto, pseudostigma and its organ, of larva. 



» 19. Ditto, nympha. 



» 20. Belba torva Koch, young nympha, 2d. stadium. 



» 21. Ditto, tibia. 



» 22. Ditto, part of skin. 



» 23. Ditto, pseudostigma. 



Sneek, June 24th. 1896. 



