338 Letters, Extracts, and Notes. 



lack of generic references, and the general classification 

 followed. The authors would have furthered " uniformity " 

 by generally adopting the evolutionary order provided by 

 Sharpe in the ' Hand-list of Birds.' 



These points I would like to see remedied by the select 

 committee at present at work on the new B. O. U. List. 



" Unless the Law of Priority is strictly applied no 



uniformity in International Zoological Nomenclature can 



obtain." 



I am. Sir, 



Yours, &c., 



Gregory M. Mathews. 



Langley Mount, Watford, Herts. 

 February 4th, 1913. 



The Second Freiburg Moluccan Expedition. • — We have 

 received from Mr. E. Stresemann the following account 

 of his expedition to the Dutch Indies, which will, we hope, 

 interest our readers. Mr. Stresemann, who is now at Tring 

 working out his collection of birds, writes as follows : — 



The second Freiburg Moluccan expedition, organized 

 at the expense of those who participated in it, was led by 

 Dr. Deninger, a geologist and a " Privatdoceut " of the 

 University of Freiburg. He was accompanied by Dr. 

 Tauern, also of Freiburg, as physicist, and by Mr. E, Strese- 

 mann, of Munich, as zoologist. The object of the expedition 

 was the exploration of the southern Molucca Islands, and 

 especially Ceram and Burn. 



A specially constructed motor-boat was taken with them, 

 with which they hoped to reach more easily some of the less 

 accessible islands, such as Kalao-tua, Mysol, and the Sula 

 archipelago. Unfortunately, the boat was wrecked iu the 

 roads of Buleleng, off Bali. This, though it delayed the 

 expedition, enabled it to make an unanticipated visit to 

 the mountains of Perak in the Malay Peninsula, where the 

 months of September to November, 1910, were spent. 



The visit to the island of Bali lasted three months, and there 



