182 Letleis, Extracts, and Notes. [tbis^ 



were pale uniform green, unspotted. Before blowing, these 

 eggs were blotched with darker green, but these markings 

 have faded. 



Mr. H. xMassey exhibited a splendid series of no fewer 

 than 33 erythristic eggs of the Herring-Gull {Larus argen- 

 tatus) from the Norwegian coast, including seven sets of 3. 



9 erythristic eggs of L. marinus, including two sets of 3, 

 all from Norway, 



One erythristic egg of L. fuscus (Norway) and one of 

 L. glaucus (Labrador). 



15 eggs of Blackcap (%/vma/nca/)i/Za), all erythristic type. 



9 eggs of Rock-Pipit {Anthus s. obscnrus), all eiytliristic 

 type. 



Also a greyish-pink set of Meadow-Pipit {A. pratensis) 

 from Sweden, and erythristic eggs of Skylark {Alauda 

 nrvensis), Tawny Pipit {Anthus campestris), Yellow Bunting 

 {Emberiza citrinella), Little Bunting (E. pusilla), and 

 Wood-Warbler (Pfiyt/oscopus sibilatrix). Also 36 more 

 or less rufous eggs of Cuculus canorus with fosterers, 

 15 decidedly erythristic. 



Mr. C. E. Pearson exhibited a series of clutches of 

 Larus argentatus ranging from pale blue, unmarked, and 

 grey with brown blotches, to the normal type and the 

 erythristic form, of which three eggs were shown. 



Mr. R. H. Read showed sets of various species, some 

 strongly erythristic and others showing a tendency towards it. 

 Among them were fine red sets of Common Whitethroat, 

 Sedge-Warbler, Blackcap, Meadow-Pipit, Tree-Pipit, Chaf- 

 finch, and Red-backed Shrike ; also a set of Bullfinch, with 

 pure white ground and red spots, all taken by himself. 

 Other interesting eggs were two purplish-red eggs of Cuckoo 

 with the set of Tree-Pipit in which they were found ; set of 

 3 Herring-Gulls (Norway), two with white ground, the third 

 cream- coloured,^ and all marked with red ; fine red eggs of 

 Sooty Tern from Ascension, Red Guillemot, Razorbill, Red- 

 shank, etc. Others with more or less erythristic tendency 

 were sets of Mistle-Thrush, Blackbird, Greenfinch, Yellow 

 Bunting, Lesser Whitethroat, Tree- and House-Sparrow, 



