206 University of California Publications. | ZooLocy 
5. Abdomen with two segments, not broadened................. Corina 
6. Eye lenses separated by at least their diameter; the last two 
oat | 
13. 
13. 
14. 
14. 
15. 
thoracic segments without lateral sharp prolongations..... Copilia? 
. Eye lenses placed close together, last two segments of the 
anterior portion of the body prolonged into lateral pointed 
Processes’ (fis: sO, GAD) re arccoayshn wicks mumieltic oreteleters ora re reons *Corycaeus 
. Entire body much flattened, furca very long and stylet-like. .Copiliag 
. Body of various shapes but more rounded; if at times depressed, 
Mever leatelvce) 5.1 "ire ls ratio ete rae le a ee a ee 8 
. Outer ramus of first foot 1-jointed, postero-lateral angles of 
fourth segment of body prolonged into processes (fig. 54a).... 
a eR a AP PUN A rie nur hrhnd RU RN ate Sets She *Clytemnestra 
» Outer ramusof first. foot 2 to'3-joImbed « % joes foe wim aya whet atau os 4 0M 9 
. Outer ramus of posterior antenna 1-jointed; furca very short, 
each ramus with a very long bristle twice as long as the body at 
least; rami of furea and the two bristles fused in the median 
line; remaining furcal bristles stunted................. Aegisthus 
. 
. Outer ramus of posterior antenna 3-jointed; furea short, rami 
separate (fig. 52c), each with a long bristle, at least as long 
as the body, and at least twice as long as the other bristles 
GLUES eB) eh a as at ayege sachets erste tere aftetet teat atarones ratelaaee *Microsetella 
. Outer ramus of posterior antenna lacking; furea longer than 
LONG, AMT HOV ALAO 212 sects ojsurhs tale laipo re Sis ete oo eeim eae steerete eters 10 
. Anterior and posterior maxillipeds alike in structure, both with 
LORE SPINOUS iPLISGLABn cre ot aler<apeotin = sotoisy aieie lec ioy Sina teen ora *Oithona 
. Posterior maxilliped with few or no short bristles and a terminal 
hgolk: ;(On¢aeidse) (hes: S505 56D) so. oe clm sw ee eee eins 11 
. Fifth pair of feet 1-jointed, with two lancet-shaped appendages 
at the end which have dentate borders; body elongate. .Lubbockia 
. Fifth pair 1- or 2-jointed or knob-like, with naked or plumose 
DEIShLOS ss body, MOLE: TOMUBU A ra 5 atayet aie niece ain mieialenalinetete olay ate wtetans 12 
. Anterior antennae with very long and thick aesthetasks on the 
terminal joimts; fitth feet) 2-jomied 2... oc ss) 2w 6 aieieoferee = Ratania 
2. Anterior antennae with numerous pencillate aesthetasks on the 
proximal joints; fifth foot a protuberance............. Pachysoma 
2. Anterior antennae with few and very delicate aesthetasks; fifth 
foot reduced to a small rod or kneb, or at times to one 
DEISGIO? 2.5 15 waata ya ele mista iaiayatein siete Seda Note Miah auaois pee nye iol oft oNel Unio 13 
Terminal hooked bristles on the posterior antenna of medium 
length; inner ramus of rear feet at least as long as the outer, 
terminal joint in fourth pair at least 1144 times as long as the 
first and second Joints Losers 5... er nie ere eter *Oncaea 
Hooked bristles on the much elongated terminal joint of posterior 
antennae very long; inner ramus of rear feet shorter than 
outer, its terminal joint in the fourth pair no longer than each 
OL Lhe —proxwMalGiOLOtS (apts tate ions olepenel = eter Peano see Conaea 
Front of head with two great chitinous lenses.............- Miracia 
Head: -withowt slenses; jeune oo) arene cele t-perelat=/ poke siete otek net tater 15 
Forehead conical, rounded in front; body very narrow; outer 
ramus of posterior antennae lacking ...............+.+-- Setella 
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