PLATE XVI. 



Devices for i'hotectino Bihds, their Nests and Youno. 



UpiM-T linuros sliow prntortors for hirds' nests on tro<?, polo, and Rroiind. I-owcr li>;iirc', 



catprrmf fcnrc topped liy a li.sli net. Tliis i« a suoceas. (Sec paKe.s HN and '.iM.) 



