18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
ENALLAGMA 321 
M; rising beyond the fourth postnodal cross vein in the hind 
TAR SR RU, ek oe Ayo Bae RR td >. ge ae 19. 
M; rising between the 3rd and 4th postnodal cross veins in the 
TWAS i ia kts Moree ant eae Acrsiay el: ebrium, p. 332 
Mesostigmal plates with a diagonal ridge...carunculatum, p. 335 
Mesostigmal plate without such a ridge 
Black color of the dorsum of abdominal segments 4-7 always 
reaching the cephalic margin.............. doubledayi, p. 335 
Black of the dorsum of 4-7 never reaching the cephalic margin 
sitpeycsstak Atte Geteke Wate cyathigerum, p. 324, and boreale, p. 323 
Abdominal segment 1 with the black of the dorsum extending from 
tie} base os thevapest MOA HD ly ACES, PL ici ens 22. 
Black on the dorsum of segment 1 interrupted by an apical ring of 
IME. Seis cue ee eo eas hageni, p. 322, and recurvatum p. 326 
Prothoracic dorsal pits very shallow and situated near the hind 
I6begwhich is; talobate.dires saeco ea cultellatum, p. 327 
Prothoracic pits deeper, hind lobe entire................... 23. 
Black humeral stripe not touching the lower end of the meso- 
stigmal plates. Pale antehumeral stripe wider than the black 
Pale postocular spots broadly connected with the pale of the rear 
ob the heads 20, Ader a sacs A aaa so eee laurenti, p. 327 
Pale postocular spots not directly connected with the pale of the 
rear of the head: e2hanet. cdr ates vesperum, p. 330 
Dorsum of’sezment 1O0'pale colored: oie onsale tage 26. 
WOoersum or segment 10 blacks jo: eve 4a ee ee ee ea 28. 
Prothoracic pits large, situated near the anterior border of the 
middle lobe, a pale area posterior and external to each........ 
cid) bar Searle lot aie vce pala teeter twee «dey a Lance signatum, p. 329 
Prothoracic pits smaller, situated at, or near, the mid-length of the 
middle lobe, pale color adjacent to each more extensive anterior 
to, it, Tachertianyposteriot todt... 3. 2ec coe clea A eee 27. 
Anterior end of the antehumeral pale stripe bordered with a broad 
stripe of black on the mesostigmal plate, which black widely 
separates the antehumeral stripe from the pale vertical stripe on 
the plates | tn. vitae Hee aS edt etd sulcatum, p. 329 
Antero-mesal end of the pale antehumeral stripe narrowly sepa- 
rated by black from the extensive pale area of the mesostigmal 
PIAGG: c 5 Ms elle wetted se ce ee pollutum, p. 328 
