AUTHOK S PREFACE. SI 



Fleropiis aud Cynopterus, which have been of great help to me 

 during ray work. Further, to Dr. P. A. Jeutink, Professor 1*. 

 Matschie, and Professor Dr. E. Trouessart for much kind assistance 

 during ray visits to the Museums of Leyden, Berlin, and Paris. 



For the loan of type specimens, for information on types or 

 other specimens in foreign Museums, or for assistance in any other 

 way, I am indebted to Dr. N. Aunandale, Calcutta, Dr. It. Anthony, 

 Paris, the Authorities of the Pombay Natural History Society, 

 Professor R. Collctt, Christiania, Dr. A. Fritze, Hanover, Professor 

 Dr. J. von Kennel, Dorpat, Oberstudienrat Professor Dr. Kurt 

 Lampert, Stuttgart, Professor Dr. Einar Lonnberg, Stockholm, 

 Dr. Ludwig Ritter Lorenz von Liburnau, Vienna, Dr. Marcus W. 

 Lyon, Jr., Washington, Dr. P. Chalmers Mitchell, London, Mr. James 

 A. G. Eehn, Philadelphia, Dr. E. lioediger, Frankfort-on-the-Main, 

 Senhor A. F. de Seabra, Lisbon, and Yiceinspector Mag. sc. Herluf 

 Winge, Copenhagen. The only two illustrations that are not original 

 (see above) have been copied by kind permission of, respectively, 

 the Council of the Zoological Society, London, and Herr Georg 

 lleimer, publisher, Berlin. 



In conclusion I desire to express my thanks to my artist, 

 Mr. A. J. Engel Terzi, for the unremitting care and artistic skill 

 bestowed by him upon the illustrations. 



K. A. 



British Museum (N.H.). 

 January 16tb, 1912. 



