(Craspedosoma Leach (part) ) 

 (Scotherpes Cope (part) ) 

 Adult segments thirty 13. 



13. With pronounced ridges or keels 14. 

 Ridges or keels indistinct 15. 



14. Promentum triangular; ninth pair of legs of male with four joints and 



a claw 



Pseudotremia Cope 

 Promentum indistinct ; ninth pair of legs of male with two joints and no 

 claw 



Conotyla Cook & Collins 



(Craspedosoma Leach (part) ) 

 (Scotherpes Cope (part) ) 



15. Eyes with thirteen ocelli; antennae rather stout; ninth pair of legs of 



male two'jointed 



Underwoodia Cook & Collins 

 Eyes with twenty 'five to twenty 'seven ocelli; antennae very slender; ninth 

 pair of legs of male five 'jointed 16. 



16. Length about threc'cighths of an inch; promentum indistinct 



Batropus Cook 6? Collins 

 Length from onc'half to slightly over threcquarters of an inch; pro' 

 mentum triangular 



Cleidogona Cook 6? Collins 

 (Campodes Koch) 



17. Sternites (ventral plates) after the seventh free from the pleurites (later' 



al plates) ; only the first pair of legs on the seventh segment of the male 

 copulatory 



Callipodidae, Callipus Risso 

 (Lysiopetalum Brandt) 

 Sternites after the seventh usually fused with the pleurites; both pairs 

 of legs on the seventh segment of the male copulatory Julidae 18. 



18. First four segments with legs 



Spiroholus Brandt 

 Legs absent on the third or on the fourth segment 19. 



19. Legs absent on the fourth segment 20. 

 Legs absent on the third segment 21. 



20. Ocelli in several rows 



A[annoIene Bollman 

 Ocelli in one row 



Camhala Gray 



21. With couplator)' legs on the seventh segment of the male 22. 

 Copulatory legs hidden 23. 



22. Eyes with forty to sixty ocelli 



Parajulus Humbert C?* Saussure 

 Eyes with eight to ten ocelli 



J^opoiulus Menge 

 (J\lemasoma Koch) 



219 





v^ 



