1918.] Letters, Extracts, and Xoles. 181 



rufous and dark brown spots and purplish-grey shell- 

 marks. 



1 clutch S. undata (Spain), of a very pronounced reddish 

 type. 



1 clutch S. m. melanocephala (Algeria), with an egg of 

 Cuculus canorus minor. Not only are the eggs of the 

 Warbler of the reddish type, but the Cuckooes egg is pale 

 cream-colour with faint reddish-brown spots. 



The Rev. F. C. R. Jourdain exhibited the following 

 clutches : — 



Pica pica pica. Clutch with 2 erythristic eggs, the rest 

 normal (Derbyshire). — Br. Birds, vii. p. 247. 



P. pica mauritanica. Clutch with tendency to erythrism 

 (Morocco). 



Coccothraustes coccuthraustes. Set with rich brown 

 ground (Essex). 



Emberiza cioides ciopsis. Erythristic clutch (Japan). 



Lanius senator badius. Rich erythristic set (Corsica). — 

 Br. Birds, vii. p. 250. 



L. senator senator. Erythristic set (Spain). 



Locustella fluviatilis. Strongly erythristic clutch (Hun- 

 gary). 



Sylvia communis. Red set (Leicestershire). — Br. Birds, 

 vii. p. 252. 



S. undata undata. Strongly marked red set (Spain). 



Tardus aureus. Set with brownish-red ground, almost 

 uniformly marked (Japan). — Br. Birds, vii. p. 253. 



T. merula. Set with pinkish-white ground and reddish 

 markings ( Warwickshire). 



Trinya totanus. Set with red-brown ground (S])ain). 



Vanellus lanellus. Set of 2 erythristic eggs (British). 



Sterna hirundo. Set of 2 red eggs (British). 



Lieut. D. H. Meares showed two sets of 3 eggs of Sterna 

 hirundo, both highly erythristic, taken on June 6 and 24 in 

 East Anglia from the same bird. — Br. Birds, x. p. 292. 



He also exhibited a clutch of 3 eggs of Redshank 

 ( Totanus totanus) with light green ground, and one of 

 Common Snipe (Gallinaffo gallinaijo). in which all four eggs 



