PLATE L I X. 



LETTERING ADOPTED IN THE FIGURES. 



CM. , . . 



. . cuticle. 



ect., . . 



. . ectoderm. 



ect. can., . 



. . ectodermal canal. 



enc. sin., . 



. . encircling sinus. 



end. , . . 



. . endoderm. 



end. can., 



. . endodermal canal. 



/, ■ ■ 



. . fibriUa. 



incr., . . 



. . incrustation. 



m., . . 



. . mesoglosa. 



mes., . 



. mesentery. 



nem., . . 



. . nematocyst. 



p. b. m., . 



. parieto-basilar musrle 



Fig. 



2 



1. Spiaoanthus macintosM, n. sp. (p. 649). Transverse section through the body- wall, -;;.* 



2. Epizoanthus incrustatus (Diib. & Kor.), (p. 636). Transverse section through the body-wall, 



3. Epizoanthiis wrightii, n. sp. (p. 651). Transverse section through the body- wall, 



4. Epi%omithus oouoJm (Johnst.), (p. 644). Transverse section through the body-wall, 



5. Epi%oanthus norvegicus (Kor. & Dan.), (p. 650). Transverse section through the body-wall, 



2 



6. Epiioanthus paguriphilus, Verr. (p. 641). Transverse section through the body-wall, — . 



2 



7. Epiiomitkus arenaceus (D. Ch.), (p. 649). Transverse section through the body-wall, — . 



2 



8. Para%oanthiis a«M«eZ^« (Schmidt), (p. 654). Transverse section through the body-wall, — . 



9. Para%omithus dixoni, n. sp. (p. 658). Vertical section through the body-wall, — . 



B 



2 



10. Para%oanthus dixoni. Transverse section through the body-wall, -g-. 



2 



11. Parazomitlms angiiicoma (Norm.), (p. 656). Transverse section through the body-wall, -^ . 



B 



2 



12. Parazoanthns mujuicoina. Vertical section thi'ough the body-wall, — . 



* These letters of magnification refer in all cases to Zeiss' system. 



