Part IL in the Creation, 339 



But the Diffedion has diflindtly difcover'd to 

 us the Organs which do particularly ferve for this 

 Ufe, and which are otherwife in Birds than in 

 Man, where the DuBus pafles not beyond the 

 Glandula Lachrymalis -, for in Birds it goes be- 

 yond, and penetrating above half way on the in- 

 ternal Eye-lid, it is open'd underneath upon the 

 Eye ; which is evidently done to fpread a Liquor 

 oyer the whole Cornea^ when this Eye-lid pafles 

 and repafles, as we obferv*d it to do every Mo- 

 ment. 



The Artifice and Contrivance of Nature for the 

 extending and withdrawing of this Curtain of the 

 Periophthalmium in Birds is admirable ; but it is 

 difficult fo to exprefs it in Words as to render it 

 intelligible to the Reader; for a multitude of 

 Words doth rather obfcure than illuftrate, they 

 being a Burden to the Memory, and the firft apt 

 to be forgotten before we come to the lafl: ; fo 

 that he that ufes many Words for the explaining 

 any Subjeft, doth, like the Cuttle-Fijh^ hide him- 

 felf for the mofl part in his own Ink ; and in the 

 Defcription of the Figure and manner of the Ex- 

 tenfion and Contraction of this Membrane, the 

 Parifian Academijis are confl:rain*d to ufe fo ma- 

 ny Words, that 1 am afraid few Readers Patience 

 and Attention will lafl: fo long as to comprehend 

 and carry it away ; yet becaufe it is fo evident and 

 irrefragable a Proof of Wifdom and Defign , I 

 could not omit it; rheir Words are thefe : The 

 Particularities of the admirable Stru(5lure of this 

 Eye-lid are fuch things as do difl:indly difcover 



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