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The blue Titmouje or Nun. Parus cseruleus. 



Numb. XLVIL 



ITS Length is four Inches, from the point of the Bill to the end of 

 the Tail; its Breadth, when the Wings are expanded, feven Inches 

 and a half; weight fix Drams; its Bill fhort, thick, fharp, and of a 

 dusky Colour ; the Tongue broad, ending in four Filaments 3 the Legs of 

 a lead Colour ; the outermoft Toes are faftened to the middle ones ; the 

 Head of an azure Colour, encompaffed with a circle of white, as it were 

 a Wreath or Coronet; to the white Circle fucceeds another parti-colour'd, 

 encompaffing the Throat and hinder part of the Head, above being al- 

 moft of the fame Colour with the Head, towards the Throat and under 

 the Throat, black ; below this Circle on the Neck is a white Spot. From the 

 Bill a black Line pafTes thro' the Eyes to the hinder Part of the Head ; the 

 Cheeks are white; the Back is of^ a yellowifh green; the Sides, Breafl 

 and Belly yellow, fave that a whitifh Line produced as far as the Vent 

 divides the Breafl in two. In the Cock Bird the Head is more blue, in 

 the Hen and young ones lefs. 



The tips of the quill-Feathers next the Body are white, as alfo the 

 the outer Edges of the foremofl: from the midde Part upward ; the covert 

 Feathers of the Wings are blue, the inmofh of which, with their white 

 Tips, make a white Line crofs the Wing. The Tail is two Inches long, 

 in which j'are twelve Feathers of a blue Colour, only the Edges of the 

 outermoft Feathers are a little white. The quill Feathers in each Wing are 

 in number eighteen, befides the outermoft fhort one. 



Thefe Birds are very beneficial to the Trees, in deftroying the young 

 Caterpillars, and Eggs of thofe Infetfls which deftroy the Fruit. I have 

 obferved them tear the Webs to Pieces , and eat the Caterpillars which 

 have been enclofed in them. 



N "The 



