CONE NES: 
Summary of the habits and characteristics of the Cicada...................---- 
iieracesproods and: vanieiestot the: Cicadaias: 222... 2220502254522. 5 ee 
Nel EVeatsrace, ANG als VearetACG. oo — . a. Sap cec ns asec eae e- 2 es 
elamonon Chimate tosthe Faces: ccc. ac) bacucek les) ss seed ose fel. ees 
Mihexdumarnpemodical Creatas sa... ufo u tase see ewe See ae vec weno 
‘Phe broods of the periodical Cicada. ..-....-:22-2/...5---.--22. bak stetiaiel 
Pero Mein cries MeO ds a ss oe ee eee ee Ie eT 8 
ahevelassitication onthe: BhOOGS<*c.t.2. i622. se o-oo es 2s Lee 
ae relationship ot the diferent broods:.. 22/2. 0..." 2 .e. 222. 
Pae relationship of the (7-year broods...2...2.2 2.2.22. 25.2.8 
The relationship of the 13-year broods...................-------- 
Pources'oLenrarsn the oldstedords.; ss-se252 1.222.122 222 Flee le 
Brouclsoils lop OFmkGryCaruoeCrloas fos. fe fa oe ee eee ee 
Brahe nO earaRCescs. fata. etna Seine SoS Comers ee ae 
Pmercistrivutiom cb che periodical Cieada...:.:..-.240-1 2-0 .. 42.2 2-0-2-2252- 
SOU ECesrn MIGhiea (HONS 84 jak ead ee ee os ee Sa 
The general range of the species and of the two races.......-------------- 
The range of the well-established broods, taken in numerical order.....-- - 
IBTOOdslOimune yi sy ean Cee seater sea ors sete ee St eee 
Brood l—Septendectm—V91O. 3-252 22o ce eo hes eee s- ece see 
Brood El——Septendecitm—l9le 2.2 see. Jose ck ss se eee 
srcod: Ll —Seprendectm— 192. 28.2 oan ect nee tesla sents 
Brood. FV—Sentendecim— 19s. -. 2-2 42-422e45-2- 42-22 See es 
Brood, V—Seprendecvwi—19 14 os. ss oe ne ene eee ees as 
Brood Vil Septendecim= Volo 22. —2 aces es ene bet ee tee 
Brood Vil Sepiendectm—l916.5 oe ie ic ee 
Broody VAll——Sepiendectm—il907 : 22.26.22 2-22 ote ees 
Broad) LX Septendecum—l918. . 225.23 5 to. fan ne see nee ee 
brood 2x-—=Septendecim—1010s s. 2. cs ee ot ue ne ees 
Brood Xl —Septendeciin— 1920s... 2.22220) i 6222 bts et tla. bem 
Brood: Xl —Sepiendectm-—190l sc oe le te as eg 
Brood X1TV——Septendectm—1923 . 2... 220 ee 
Brood xV—Septendecpm 10072 = noses. base Doce ae en ee 
Brood XOVil-—Sepiendectm—1908 22... 2. 2 os ee ee 
BTOOUmNOXe— seed cer — 90 Sere eee ee noe oe ee oe 
STOOUMNONE——sircdeciin == see eee ee en an ae ee 
Brood xexaltle—winedecrn—19ill Qmeameeeee ae ete 2 eee eae 
18 
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