HEMICHORDATA 



By S. F. Harmer, Sc.D, F.R.S., Fellow of King's 

 College, Cambridge. 



ASCIDIANS AND AMPHIOXUS 



By W. A. Herdman, D.Sc. (Edinb.), F.R.S., Professor of 

 Natural History in the University of Liverpool. 



r 1 J> rl Ly J5 (Exclusive of the Systematic Account of Teleostei) 



By T. W. Bridge, Sc.D., F.R.S., Trinity College, Cam- 

 bridge ; Mason Professor of Zoology and Comparative 

 Anatomy in the University of Birmingham. 



r 1 O n C ^ (Systematic Account of Teleostei) 



By G. A. Boulenger, F.R.S., of the British Museum 

 (Natural History). 



iLotttion 

 MACMILLAN AND CO., Limited 



NEW YORK : THE MACMILLAN COMPANY 

 1904 



All rishts reseJ-ved 



