[Syrphidae] BOOK PDF REQUEST

[JAYITA SENGUPTA]

RESPECTED ALL CAN ANY ONE HAVE  HAVE THE FOLLOWING BOOK PDF PLEASE HELP ME
WITH THIS
Synopsis of the North American SyrphidaeBy Samuel Wendell Williston
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*Regards*
*Jayita Sengupta*
*Senior Zoological Assistant*
*Zoological Survey of India*
*M Block, New Alipore*
*Kolkata: 700053*
*Ministry of Environment, Forests & Climate Change*
*Government of India.*
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