LIST OF ILLUSTRATIONS. 



CUTS. 



Page. 



Genetic relationship of the groups of fishes 77 



Arrangement of motith parts iu Chondracanthus galeritus 319 



'''ail of ^githalos 383 



Eow-lock of Norwegian boat 415 



Sel-'tiit^s ccelata and S. Duranti 461 



FLUTES. 



Plates I-XXV at the end of the volume, each accompanied by its explanation. 



DATES OF PUBLICATION OF SIGNATURES. 



The signatures of this volume were stereotyped on the following dates : Signatures 1, 2, August 14, 

 1886 ; 3, August 21 ; 4, August 23 ; 5, 6. August 26 ; 7, September 2 ; 8, September 13 ; 9, September 15 i 

 10, September 17; 11-13, September 28; 14, October 11; 15-18, October 13; 19-22, October 19; 23-26, 

 October 30; 27, December 7; 28, 29, December 8; 30-33, November 26; 34, December 2; 35, January 

 25, 1887 ; 36, February 8 ; 37, February 9 ; 38-40, February 11; 41, February 14. 



The Smithsonian Institution received and published the signatures as follows : Signatures 1-6, Sep- 

 tember 17, 1886; 7-10, September 25; 11, 12, October 2; 13-18, October 22; 19-26, February 10, 1887; 27- 

 33, February 14; 34-39, February 24; 40,41, March 9. 



vn 



