830 



INDEX. 



754, 758, 760, 767, 769, 771, 774, 



779, 794, 800 

 Van der Hoeven, J., 739, 740, 741, 



749, 751, 752, 753, 776, 777, 778, 



779, 787, 791 

 Variation, 744, 791, 810 

 Vas deferens, 787, 810 

 Vayssi^re, A., 740, 742, 743, 767, 



768, 770, 772, 777 

 Velar Theory, 802 

 Velum, 801, 803 

 Vena cavb, 754, 764, 780 

 Vesicula semitialis, 787 



Visceral nerves, 791, 805 

 Visceral sac, 746, 754, 797, 798 

 Viscero-brauchial nerves, 792, 804 

 Viscero-osphradial nerve, 804 

 Viscero-pericardial orifices, 746, 



753, 754, 805 

 Vitelline membrane, 809 

 Vitreous body, 794 

 Vrolik, W., 739, 747, 753. 754. 



758 

 Vulva, 754 



Wegmann, H., 753, 788, 789 



Whorls of tentacles, 767, 776, 800, 



803 

 WiUey, A., 740, 743. 749, 752, 767, 



803 

 Williams, T., 790 

 Woodward, B. B., 749 

 Woodward, M. F., 753, 789, 794, 804 



Yolk, 786 



Yolk-sac of Cephalopoda, 803 



Ziegler, H. E., 805 

 Zygobranchiata, 753 



CAMBRIDGE ; PBIXTED BY J. AND C. F. CLAY, AT THE UNIVERSITY PRES.S. 



