Ixi 
Speciality, or position | ere 
N.N. Adelung .  . | Keeper of Orthoptera in the Petro-— 
grad Zoological Museum. | 23.34.17. 
S. N. Alferaki .  . | Lepidopterist. 27.vii.18. 
V.L. Bianki. . . | Zoologist of the Petrograd Mus. 10.1.20. 
E. M. Vassiljev .  . | Professor, economic entomologist. | vil.19. 
N. A. Zarudny . . | Traveller in Central Asia and _ 
Persia. | 13.11.19. 
B. A. Karavajev . . | Myrmecologist. 1919: 
A. K. Krulikovsky . | Lepidopterist. x.20. 
N. V. Kurdjumov — . | Economic entomologist. [SURO e 
V. Oshanin-. . . | Hemipterist. 26.i.17. 
T. Portchinsky .  . | Chief of Bureau of Entomology | 8.v.16. 
E.Pymov .  ._ . | Orthopterist. | 1920. 
V. Rodzjanko .  . | Forest entomologist. 1919. 
M. N. Romanoff . . | Grand Duke, Lepidopterist. | 29.1.19. 
A. A. Silantiev .  . | Economic entomologist : | 21.ii1.18. 
D. A. Smirnov .__. | Coleopterist; economic entomolo- | 
gist. | 17.viii.20 
A. A. Sopotsko . . | Economic entomologist. | L.iv.19. 
G.Suvorov . ._ . | Coleopterist. | 29.v.18. 
J. Schreiner. =.  .~ | Economic entomologist. vii. 18. 
N. A. Cholodkovsky . | Professor of Entomology and 
| Zoology. 2.iv.21. 
Th. Stcherbakov. . | Economic entomologist. ix.20. 
J.Shevyrev. .  . | Chiefofthe Entomological Labora- 
tory of the Department of 
Forestry 7.vii.20. 
Exhibits. 
THE RECURRENCE AND WIDE DISTRIBUTION OF A PARTICULAR 
TYPE OF VARIATION IN Pyramets carput L.—Prof. PouLton 
exhibited two examples of the var. elymi Ramb., one captured 
Jan. 18, 1921, in a valley on the east side of Porto Santo 
(about 500 ft.) by Prof. T. D. A. Cockerell, and another, from 
the New Forest, in the Dale Collection. Also a specimen 
intermediate between elymi and cardui, taken (1901-1910) at 
Guimar, on the east side of Tenerife (about’ 1200 ft.), by 
Mr. W. Walmesley White. All these examples were in the 
Hope Department. In the British Museum there was an 
elymi (figured by Mr. R. South in his “ Butterflies of the 
British Isles ”) taken at Dover, in the Eustace Bankes Collec- 
tion, and an intermediate variety like that from Guimar, 
purchased by Mr. J. H. Leech in Berlin. Lord Rothschild 
possessed an example of elyn, also from Dover. Further- 
