CONTENTS OF THIS NUMBER. 
Ritty, W. A.—Some Little Emphasized Guide-posts 
to: Medical ‘Hntomology <5. tt ee ee 159 
MeTcaLF, C. L.—The Genitalia of Male Syrphide; 
their Morphology, with especial ieee to its 
Taxonomic pip nineat ce 550 ela 2. See re 169 
McCottocu, J. W.—A Method of Studying the Hes- 
sian Ely atid ‘Other ‘sects: SS eee 227 
Price List of Publications. 
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