123 [Vol. xliii. 



rather darker. It also differs from 0. japonicus elegans in 

 having the upper parts paler and less rufous in tone, and 

 in having the wing and culmen perceptibly shorter — wing 

 156 mm., instead of 160-171 mm. as in O.j. elegans. 



Type, ? ad. Minami - Daitojima, Borodino Islands, 

 20. X. 1922. H. Orii coll. N. Kuroda Collection, no. 7395. 



I have examined 1 adult female and 1 immature male. 



Measurements. Exposed culmen, ? 13, ^ juv. 12'5 mm. ; 

 entire culmen, ? 20-5, S juv. 20 ; wing, ? 156, S juv. 

 147 ; tail, ? 77, S juv. 69-5; tarsus, ? 30, J juv. 28-5. 



The next Meeting of the B. 0. C. will be held on Wednesday, 

 the 11th of April, 1923, at PAGANI'S RESTAURANT, 

 42-48 Great Portland Street, W. 1, the Dinner at 7 p.m. 

 Memhers intending to dine are requested to inform the 

 Hon Secretary, Mr. C. W. Mackworth-Praed, 51 Onslow 

 Gardens, S.W. 7. 



[W.B. — Members who intend to make any communication 

 at the next Meeting of the Club are requested to 

 give notice beforehand to the Editor at Nat. Hist. 

 Museum, South Kensington, and to place in his hands 

 not later than at the meeting MSS. for publication in 

 the Bulletin.] 



(Signed) 



W. L. ScLATEK, Chairman. 



Percy R. Lowe, C. W. Mackworth-Praed, 



Editor, Hon. Sec. Sf Treas. 



