PLATE 10. 

 PECTINATELLA MAGNIFICA Leidy. 



Fig. 1. Enlarged view of one polypide situated at the end of a lobe, 

 (Norway, Me.) The full adult growth of the terminal tentacles is not yet 

 attained. They become about one-third longer in the adult. A ", cavity 

 of the co3noecial lobe ; D, common ectocyst ; E, endocyst of the cosncecium 

 and polypide; J, hepatic folds; M', lophophoric retractors ; M", brachial 

 retractors ; N, anterior retentors ; N t posterior retentors. 



Figs. 2, 3, 4. The upper and lower side, and profile of the statoblast. 

 W, horny sheath; W", annular sheath; W", spines. 



