Pig. 34.— Campanularia denticulata. Hydrotheca and pedicel, showing 

 "knee." x 40. 



Fig'. 35. — o, b. Campanularia everta. Types of hydrothecae, in optical sec- 

 tions, x 45. 



Fig. 36. — a, b. Same species. Two views of male gonotheea. x 45. 



Fig. 37. — a, b. Same species. Two views of female gonotheea, with aero- 

 cyst, gonophore and embryos, x 45. 



Fig. 38.— Campanularia fascia. Hydrotheca. x 40. 



Fig. 39.— Campanularia pacifica. Two hydrothecae, from slightly different 

 points of view, x 45. 



Fig. 40. — Same species. Female gonangiutc. x 45. 



Fig. 41.— Same species. Male gonangium. x 45. 



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