CONTENTS 
PAGE 
boc 4p SER LTT ALE lel eA line le ee ee 1 
History of the classification of the Calliphoridae__._____. 3 
Re POrrence OL OO Whites 10 MAN. ee 10 
BLO PED LOW HTeN cet ne ny eaten ae | mae ST 18 
Menmocssou-collectina blowiiles wi woo be 26 
Preservation OF Specimens i 2 os ae ee Ee wo 
MEemraMnloneOrm erin gse tay. Oo. Lie NE a eee 32 
Dera ACH ie meee ee ce ee So ee oye ae iter ee Gy 3 
SVE QUED ld palin SRI ay ae OE COSINE AP Oe 37 
LC ERAN sca hl ae eet pee. ll NER LE a RR 39 
BRC LOI Pee et ee ee eg a aes 39 
Key to major taxonomic units of North American muscoid 
ere ee ete ns oe erie ae a cial 41 
Sy CATER ofa srts EGS Lic 7 oil AEs vale de Se RN as ae 45 
Wierarnorinelinaermer. ee io eet Oe a 60 
Peroriesomiurincliier 6 fo. to ee ee 65 
PESO ROM Node ee ermbnete lot ee 68 
FOR CETER IETS Od SED 2 NSB aa at ce ae ee 89 
SuARPTI Dit] Ta Ween renee tries na Pee Se 89 
Pg Sy, Si eee RE Suse 9s Ge RO pa Ba 2 I 95 
RTI ToC SUts iT) teers cathatet ey ean dl ee OR Lie 103 
Prevn vale iawn eee ie eee ey | See Ok 104 
“1h PETES ARI ae Ee i RR eR, nt 109 
PRLOT Op rect aumeratee eee acre eet he sl eee 115 
POPUL oft g Ie Site as Rio al Meat We 120 
LEP Wig CGE LSE © Jere cated Mia ed? Sie 8 Sl ce a aE rc 150 
Meat S S11) beeen Cea a cee Ns aM ed 159 
ET OET DIA te ee See Res SUR MES EOD 5 Ae 159 
be teydeie § EVV SD) Peckohe eet! DE Uh Sadi cee ee ee nen ee MO Mie 168 
Protophormia ___ GLE an tio VE tl, Ae eR I DD 173 
se GATS LE Go SAE eee BE SR 179 
Sk DEEN ATV ETS) OE ORR ie Ba PR a ee aR 202 
POLLS) 148s eon CPN, Se) ate ket ea Bee wae Sst 211 
pu ese HAE Thales Valen Cas ieee SA PN ae 212 
UEC OAR TOA © Sates | eelak,. #0 oly. aoc a e Ma is ol a 215 
