272 
10 
11 
12 
13 
DRAGONFLIES OF NORTH AMERICA 
Superior appendages smooth, at least part way between the teeth 
... ceatte aly: th cl Reiss Sees Re ie cle eae eee ee vidua, p. 277 
Teh ete ee ee forcipatus, p. 277 
Metapleural suture with a black stripe. Length 32-37 mm...... 
{A Sud. dees te.4dy.cop it soos Ste ay ioe disjunctus, p. 278 
Metapleural suture without a black stripe. Length 50-52 mm. 
gig ails OS @ Seas eho ee a ee rectangularis, p. 278 
fae appendages boot shaped, little expanded at the base. 
Serrations of the mesal margin of the superiors in approxi- 
mately a straight line... 2 ie eeire ee ee ceo ete ee Id: 
Inferior appendages not boot shaped, sides nearly parallel, base 
noticeably expanded. Serrations of the superiors expanded near 
the apieal third, or absent injorqilav.......... 62 12. 
Color metallic green, abdomen 26-28 mm. long.. .uncatus, p. 278 
Color black, abdomen 30-34 mm. long........... stultus, p. 279 
Dorsum of thorax and abdomen metallic green. Inferiors long 
and very slender. Mesal border of superiors undulating but 
WG SSUCAUGGe = rk. tina teint oS ect aae vigilax, p. 279 
Dorsum of thorax black or pale blue with metallic green spots or 
stripes on either side. Mesal border of superiors deeply serrated 
ae ae eT Pe Ree ee Meteads | Antsy Miki)! bree n+ 137 
Rear of head black, yellow around the occipital foramen. Dorsum 
of thornk: bidelk. .).. 0 Sc cco ta ee alacer, p. 279 
Rear of head yellow, dorsum of thorax pale blue with green spots 
ppt Wena het oh aM Rae treln hc Se ene SM REE so 19.6 forficula, p. 280 
2. Females 
Dorsum of thorax metallic green or with metallic green spots or 
streaks:on a; pale backerotmd is at. sae 76. eee OE DS, ee 2. 
Dorsunicof, thorax black or:dark: brown. 3.194282 eee a 
Wines: flavescentt.cd 54500 bie Weasl.e eel 2 be eurinus, p. 275 
Wines, clear 3. 5.0...4\, dacca ts cule oe oe ae Ph Sao 3. 
Rear of head (occupit and postgenae) pale................... 4. 
Rear of ‘head black: 4 qore ee ese Fy SOP 2 ee 6. 
Dorsum of the thorax metallic green. Abdomen 38-40 mm. long, 
hind. wings 28mm. long.< s+: .<P2i. 7a inequalis, p. 275 
Dorsum of thorax pale with a metallic green stripe or black spot 
on either side. Length of abdomen 32-35 mm., of hind wings 
22-24) MIM: sews 1s cuend dh eed had dU ea ee ee ate oe 5. 
* L. simplex doubtfully recorded from Texas (Calv. ’01, p. 48)is not included 
in this book (near alacer). 
