SYSTEMATIC ARRANGEMENT. 



15 



Legion Third— P^CILOPODA. 

 Okdek I-SIPH0N0ST03klA. 

 Tribe 1— PELTOCEPHALA. 

 Family 1 — ARGULIDjE, containing one Genus 



Family 2 — CALIGID^, containing four Genera . . 



Family 3— PANDARIDJi], coutaining two Genera . . 

 ^ Family 4— CECROPID^, coutaining two Genera . . 



Tribe 2— PACHYCEPHALA. 



^ Family 1— ANTHOSOMAD^, coutaining one Genus . 

 Family 2— EEGASILID^, coutaining one Genus 



Argulus. 



/"Caligus. 



3 Lepeoptheietjs. 



1 Chalimus. ^ 



v.tbebius. 



r DiNEMOURA. 



\ Pandarus. 



J Cecrops. 

 LL^jiargus. 



Anthosoma. 



NiCOTHOE. 



Order U— LEPKEADJE. 



Tribe 1— ANCHOEASTOMACEA. 



\ Family 1— CHONDRACANTHID^ containing two f Chondracanthus. 

 Genera I Lernentoma. 



Tribe 2— ANCHORACARPACEA. 



Family 1 — LERNEOPODADJil, containing one Genus...LERNEOPODA. 

 Family 2 — ANCHORELLAD^, containing one Genus... Anchorella. 



Tribe 3— ANCHOR ACER ACE A. 

 \ Family 1 — PENELLAD^E, containing one Genus . . Lerneonema. 

 X Family 2-LERNEOCERAD^, containing two Genera j^^J^^^'^^^'^- 



