CONTENTS 
ARTICLE I. THE DRAGON-FLIES (ODONATA) OF ILLINOIS, 
WITH DESCRIPTIONS OF THE IMMATURE STAGES. PART 
I, PETALURID#, AASCHNID#, AND GOMPHID#. BY JAMES 
CoN EOL AM AND: CEA RIE S VAL HART tii. 22. sana se derce ose s( 
PAI CDLON sarrveeie acess esos aiken ieee easel sels o vise) ansaiare ea sie eeraiaie atsraicieis we 
DORIDSR CHEN Ro 7a on dajoarenncs Oboe a SCOOCRED Cao AO SEMOee Oona UcGecacc 
Characteristics, Phylogeny, Gnd PAmitzes....- 2. 0s. 20> coae aces cose sees 
ETOP EEE ERE SE Noe Phakisis sale es ae Ress Onis afeaewing adie ss Bemerae ne 6 oe eine 
ILE CETIS TG he GO ABO ODS SOR See Coa OOE AGS SE Ce DEDAE SRC CG ai aac 
WLS, COGS po neeeabeeoned semenesae HO OUE Een oda nOe roa aencude 
PE VRP AGC PETIOGSatstalo see aioiss = wintaiaieielisiatorsss\eysiclhaidie sew cae ainon's 
Change of nymphal color at molting time... ................ 0000 seeeees 
RET AaSIOL DAMON rae secre eee ere neers ci aclcit iain wie Siatincins Wel atatoleees same 
OMT EESN OT SES Ss asa anode Sods Doce Gan nOs OnE anaso. aeIcE aa aie iaCaeOCe 
Relative abundance of nymph and imago.... ............ see sees eeees 
AGTH NADIES cc ace occas. actor Se salaeecieca meses wo ptaraslelare ahaoa Smmle 
EIstory, of OGonata Observed at Havana. oc. ssc.0< cece wasn cecies ee nce ae= 
Waters from which Collections were made .... 0.1... cece cece cece cee sone 
Nymphs inhabiting Various Kinds of Situationse .... 000.00 cece cence 
Living among submerged vegetation 
LENA ha eS, agree So don co eso sioth A Aor ECOG A SORES SarivOs HOAG GUCCI AS 
Living concealed in mud‘or sand bottom... 2 2... 2 sae ona dees cies cose 
Nymphs inhabiting the Various Illinois Waters...... 00. cece eee eee es 
LARS TAC Slab oe gasp aaan dso on ooeeh ban Sapoceddtcnobe Souacnsee 
SHAN SEISULE ALS co ale nyajaeee ne eve (atch sin ciel «ture el orate wisicraleisie Mone = ste sia eTaeie asics 
OR RCLALLONS 552 2 cae esses 5 « 
FUMIE MY LALA pe ete eee Ce en ae Nsom a (salons viele oisisiele Me es\ne as acces 
INROTPH OEE toler | oor, Ge oboe adeanonbeosc geese tania eek Cecio ots ietanic 's slo 
COTEPLAL ARE REATINE Sor oraciaia a aeiais sisisl.s = 0s) salou! ss/e'e Sbis's.cis,50 ba Ss asad o5m5,6 
Collecting 
PLES CUM ID Meera chal aise erste utictove fe sian aicke Parasol orem ee ema aiaeleh osersclowe se eres 
AUNT Pree eee tera MS rete Ser Naialareiatalc: Slide, e/alcie a siosa@ariecete ewes) sivesleears s 
Characters used in Classification 
The nymph 
BITE NTA KON Me ara cine yo oslepaleny cre eiceien owisinicle ais since ieee ese caisleceSe Seenee 
PUA REISE EP SCR tma et aetna Sewechae te © stele oma ere es ele aaa cet e Sellars ses 
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