CONTENTS: 
MPR HGH Deseo, Te rst fone ice aa ae a Meta sec.t ci moly.<s wine sees emcees 
Comprehensive works most useful for the study of North American insects. - - 
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Systematic works on single orders of insects: 
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“LOGS ASEATAY OO EVE Se Hae es eee eR aR ee ee ee ee 
PCA UO Ne aint Any NS oe = Be SA Ate Re orara sr = eee Se cice bese 
(ONS ENG aT SUIED MR 8 BIR Ate eRe oe oa Se aE 
Neuroptera (including Pseudoneuroptera)-o..2.2..0..---2.-.2222-.+2-52 
EI ert eee sets. Mere eect ila Aa ein best eats ee ala Po oe 
PGT ATaA Mel ee ene Pee Se Se tn i See a re aS main we Se ores 
Minit ener eae ere tet od et ee see ways ieee felon oe 
ANT PENGUIN G EY es BS Pree acl Peg a aa Bes. ce See A eee eae 
Mionicronkeconamic entomology. 222.22... 65 5----+-e2+e ete asescseb eee 
Rselecpanoniedical CnLOMOlOPYy? .2=- = 2c. -s25- 2-4... - os. 226+ 22 =~ toate ate 
The more important periodicals cited in this bulletin’. © 2% ae oneae nae 
How to obtain entomological books and pamphlets.-.....------.----------- 
