SUBJECT INDEX 



479 



Tentacle of Siboglinum, 118 



Tentacles, 8, 11, 13,25-31 



Tentacles, adhesion, 30-31 



Tentacles, blood circulation in, 78 



Tentacles, blood vessels of, 59, 73 



Tentacles, ciliated epithelium of, 32 



Tentacles, coelom of, 59-60 



Tentacles embryogenesis of, 112, 115-116, 



117-118 

 Tentacles, growth of new ones, 28-29 

 Tentacles and heart, 73, 74 

 Tentacles, innervation, 25-26, 50, 56 

 Tentacles, length, 31 

 Tentacles, number of, 25, 26, 28 

 Tentacles, structure, 79 

 Tentacular apparatus, 79 

 Tentacular apparatus in digestion, 7 

 Tentacular apparatus, function of, 84 

 Tentacular crown, 25, 140, 143 

 Tentacular crown, form of, 26-27 

 Tentacular crown, length, 31 

 Tentacular cylinder, 31 

 Tentacular plate, 31 



Tentacular spiral, 27, 28, 31 



Testes, 90 



Testes, blood supply of, 94 



Toothed bristles, girdles of, function, 55 



Toothed platelets, see Platelets 



Tonofibrillae, 32, 37, 45 



Tonofibrillae, of plaques, 49 



Trochozoon, 23 



Trunk, see Metasoma 



Tube, 120 



Uncini, 18, and see Platelets 



Vertical distribution, 123, 127 

 Villi, 31 

 Vityaz, R.V., 5 

 Vitellogenesis, 100 



Waist, 19 



Yolk, 105, 109, 110 



Zone of thickened papillae, 17, 18, 20, 65 



