338 EUG. DADAY DE DEÉS 



Appendix frontalis longiuscula vel elongata, in ramos ccpholopais, 

 structura longiludineque diverses partita n. subg. Ki 



4. Cercopodes plus miiiusve elongati, ensifoimes, apicem 



dislaleni versus varjabiliter attenuati ^ 



3. Slreplocephalua 

 Cercopodes complanali, valde dilatati, foliiformes lainellifer, ïhiele. 



5. Articulus basalis antennarum inferioruni solum pro- 



cessu exteriore; digiti chelarum antennarum inferio- 

 runi non ramosi, laeves vel serrato-aculeati 6 



Articulus basalis antennarum int'eriorum praeter pro- 

 cessum exteriorem antenniformen etiam tribus inte- 

 rioribusvelsuperioribus cirriformibus ; digitus chela- 4. Streptocephalus 



rum inferior ramosus dichotomus, Baird. 



<i. Segmenta aliquot abdominalia in niargine posteriore 



supra aculeis semicingulata 7 



Segmenta abdominalia cuncta superiiciepolita,inermi. ' H 



Segmenta abdominalia aliquot posteriora in superficie H. Streptocephalus 



aculeala, aculeis dispersis gracilis, Sars. 



7. Segmenta abdominis anteriora ti'ia in margine poste- 



riore supra aculeis 8-10 minutis armata ; articulus 6. Streptocephalus 



basalis antennarum inCeriorum basi inermis spinosiis, Dad. 



Segmenta abdominis K-7 in margine posteriore supra 

 semicingulo aculeorum validiusculorum armata ; 

 articulus basalis antennarum int'eriorum appendice 1. Streptocephalus 



basali interiore cirratus, Dad. 



8. Streptocephalus 



8. Digitus chelarum superior antennarum inferiorum in torvicornis, 



margine superiore serrato-aculeatus (Waga). 



Digiti chelarum antennarum inferiorum laeves . 9 



••>. Lamina lateralis accessoria digiti superioris vel exte- 

 rioris antennarum inferiorum in margine anteriore 

 tuberculo carens .... 10' 



Lamina lateralis accessoria digiti superioris vel exte- 

 rioris antennarum inferiorum in margine anteriore 

 tuberculata 13^ 



10. Cercopodes ensiformes, apicem distalem versus sensim 



et parum attenuati, marginibus aequaliter denseque 



setosi H 



Cercopodes elongati, apicem distalem versus valde 

 attenuati, in parte proximali marginibus setosis, in 9. Streptocephalus 

 parte distali vero aculeatis similis Baird. 



11. Digitus chelarum superior vel exterior antennarum 



inferiorum geniculatus, dimidiis rectis 12 



Digiti . chelarum antennarum inferiorum undulati, 10. Streptocepha- 

 antrorsum versus vergentes lus texaniis Pack. 



12. Digitus chelarum interior vel inferior falciformis, 



extrorsum curvatus, lamina accessoria lateralis digiti 11. Streptocepha- 



superioris bene evoluta lus Sealii Ryd. 



Digitus chelarum interior vel inferior reclus ; lamina 12. Streptocepha- 

 accesoria lateralis digiti superioris rudimentaria. .. . lus bimaris Gurn. 

 43. Lamina lateralis accessoria digiti superioris vel exte- 

 rioris antennarum inferiorum in margine anteriore 



tuherculo subconico, unico 14 



Lamina lateralis accessoria digiti superioris vel exte- 



