- 178 THE PERIODICAL CICADA, 
Page. 
Cicada, periodical, seventeen-year breeding record.........-..--....-----+-- 114-116 
broods; relationships sass.) ee eee eee 29-30 
PAN SC re 5526 8a55-8 staan seen eee 38-64 
TEC OM Pane, 2 PREM RIE S 8 etree en tr RNS aid = 14, 16-18 
SONG MOLES? 24 22s Be a aie Pata ha eat ees eee 84-86 
Stages, Geacriptions 4c... <8 tien secre ee 118-121 
histOby:<.2 2226 heradens Jed oil aoe tains eer 116-118 
Leeation) tarsOpliies,. 2 ac-4 epee eae as eee 124-125 
sting > so-callledinics2<..2 296.2010 a binge ae eee cericio sce 86-88 
structural details: 2:2... 4e4eseeehomee ass eee Ree ee 78-84 
differences between the two races. ..........-.-- 17-18 
superstitions..........- Sirsa k fale Dee SE Ee 147 
systematic positionc.-5$2203.-2.2g—- 2 Secs queen oes ee eee 77-78 
thirteen-year broods, relationship...................------ 30 
TANGO sO ae cee eee oe ee hee 65-77 
race. (See also Cicada tredecim).....- 14-18 
‘‘towers.’’ (See cones.) 
transtonmationite adulitees << e 5.5.55 see te one eee 98-99 
‘‘turrets.’’ (See cones.) 
cand exonound lites ak. esas eee At ae espero i ago 112-121 
experimental: jpiroais: 25.0 Saar. Sac nie 112-116 
USE AM: Makino SOap 5.52 saa eee eee eee 104 
MATLED Ys ere eo a ae din tants cee eee ee eee 20-22 
Dros —C Cada TD tent eis Ee Nap eee ee ee 78 
septendecim. (See also Cicada, periodical, and Tibicen septendecim. ) 
considered by Walsh a species distinct from C. tredecim.. -. Lz, 
= Tibicen septendectw = 52-2 asc. 2244 5 Hatguaie Ho 8 3 ae 22 
hbicen, Sphecvus speciosus anienemiy.-)- 2222. 2S aisieae ne 132 
tredecim. (See also Cicada, periodical, thirteen-year broods and race.) 
considered by Walsh a species distinct from C. septendecim. . 17 
=Tibicen septendecvm, Race Megeclm...... 2 2. . 22 ss eee 22 
first: publication oh aines 228 o5 eee eeeeeer 15-16, 153 
Cicadas, yearly recurrence not necessarily indicative of life round limited to a 
MEO. ofan nasa Se sais non le Saisie oe ce oie Ses = oi epi eee eee 12 
Climate, in relation to races of periodical Cicada........----.-.---------+---+--- 18-20 
“Coccyzus americanus, enemy of periodical Cicada......--..------+---+---+----- 138-139 
erythrophthalmus, enemy of periodical Cicada...........------------- 139 
Colaptes auratus luteus, enemy of periodical Cicada........--....-----+-+-+-+- 138 
Corvus brachyrhynchos, enemy of periodical Cicada........-...-------+-------- 139 
Cowbird. (See Molothrus ater.) 
Crayfish, house-building habit..........-. Hannes! NE Cee a ETE SSO 91 
Crow. (See Corvus brachyrhynchos.) 
Cuckoo, black-billed. (See Coccyzus erythrophthalmus.) 
yellow-billed. (See Coceyzus americanus.) 
Dendroica cerulea, not found to eat periodical Cicada.......-..--- chs Sates Leyes 139 
Development, retardation in eggs of periodical Cicada.......-----.------------ 111 
Digger wasp, larger. (See Wasp, larger digger.) 
Disease, periodical Cicada imagined cause.........-.--------------+----+-+---+- 147 
Mishribution, of periodical Cicada- tse... acs = seine ee ees 34-77, 99-101 
Dogs, enemies of periodical Cicada..............--.------ BN apr ee eo 104 
‘Dragon-flies, enemies of periodical Cicada... ....-...--,<--++--2-==~++--++-+;-"- 128 
Dryobates pubescens medianus, enemy of periodical Cicada....-....-.-.---- Pegs 1c 
Evergreens, seldom oviposited in by periodical Cicada.....-..-.--.----------- 105 
