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Kig. LIV. — C. (Stphonoslra) spinifera n. sp., $. — 9. The eight distal joints of the exopodile of the right second antenna^ 

 seen fro.n outside; the bristles on the seven distal joints are broken, their natatory hairs are not drawn: 312 X. 

 10. Endopodile and distal part of the prolopodite of the second antenna; 312 X. 11. Left mandible, seen from inside: 

 192 X. 12. Distal part of the right mandible, seen from inside; 592 X. 



