OVARIKS IX CKllTAIN HRITISII BIRDS. "7 



of pile yellow and flesh colour; the leftovuluet m, fine strand only, 

 that of the right very line and thin. 



iioHBY [Falco stihhuteo). ^. 



(PI. HI. fig. If.) 



If. June 6th, 1907. Suffolk. Two years old. Two ovaries 

 present ; the left contained five large eggs, and the right some 

 very small ones. 



Peuegrixk Falcox {Falco perfigr'ums). ^. 



(PI. irr. fig. U'.) 



U. Novemlxn- 22ul, U»()7. Suffolk. Three years old. Two 

 ovaries present, the riglit small and thin, with small eggs ; the 

 left was quite four times larger and had some eggs of two sizes. 



OuEAT Crested (iRiciu-: {Podictpes cristahts). ^. 

 (PI. 111. figs. 1'", 2''; PL TV. fig. 3.) 



Ih. * November 26th, 1910. Sufifolk. Two ovaries, the right 

 below the left and overlapped by it ; bt)th filled with small eggs. 

 The upper (left) ovary the larger. 



2h. t February 28th, 1911. Norfolk. Probably three years old. 

 Two ovaries present, the left slightly larger than the right ; eggs 

 of various sizes and of a yellow colour. The right ovary below the 

 left and slightly overlapped l)y it. 



Red Grouse [Layopus scoticus). ~. 

 (PI. 111. figs. IJ 3J,) 



IJ. October 26th. 1907. Argyllshire. Two ovaries, situated 

 side by side, the I'ight double tlie length of the left. Both filled 

 with small eggs of uniform size. 



2J. October 26th, 1907. Argyllshire. Two ovaries ; same 

 remarks as aliove. 



3J. November 29th, 1910. ArygUshire. Two ovaries of equal 

 size and rounded form. The left ovary is superior and is 

 ovei-lapped by the right ovary, which lies nearly directly below 

 It. 



lU.AfK (Jrot;se {THrao tetyix). j, 



(PI. HI. fig. l"^.) 



li<. AuinistiiUth, 1907. Staffordshire. Probably three years old. 



* Stereosco|)ic photofrrapli of tlie ov.'iries /// situ. 

 f l'^l'^JL'l■vt'(l as u nmscuia siifciiiicn. 



