SYSTEMATIC ARRANGEMENT. 
15 
Legion Thied — PiECILOPODA. o 
Oedee I-SIPHONOSTOMA. 2#0 
Tribe 1— PELTOCEPHALA. 
Family 1 — ARGULIDiE, containing one Genus . . Aegultts. 
Family 2 — CALIGIDiE, containing four Genera 
Family 3 — PANLARIDiE, containing two Genera . . { Pandaeus A 
Family 4 — CECROPIDiE., containing two Genera . . LmtAEGUS 
Tribe 2— PACHYCEPHALA. 
Family 1 — ANTHOSOMADiE, containing one Genus . Anthosoma. 
Family 2 — ERGASILID2E, containing one Genus . Nicothoe. 
Oedee II— LERNEADA3. 36J 
Tribe 1 — AN CHORASTOM ACEA. 
Family 1— CHONDRACANTHIDiE, containing two J Chondeacanthus, 
Genera I Leenentoma. 
Tribe 2— ANCHORACARPACEA. 
Family 1 — LERNEOPODADJE, containing one Genus... Leeneopoda, 
Family 2 — AN CHORELL AD JE, containing one Genus... Anchoeella. 
Tribe 3— ANCHORACERACEA. 
Family 1 — PENELLADJE, containing one Genus . . Leeneonema. 
Family 2-LERNEOCERAD.E, containing two Genera { 
