ILLUSTRATIONS. XIX 



Page. 



FIG. 198. Structure of tubes and aperture 638 



I 99. Tubes with facets , fi40 



'-'00. Tubes with rhomboidal orifice 640 



-01. Iiiaphragms 641 



I'm 1 . Tergopores 642 



203. Firmatopores 642 



_'()4. Nemalopores ill:: 



_'()>. I lacty lethrao 643 



2()ii. Cancelli 644 



207. Vacuolcs I! 15 



208. Mesopores 646 



20! i. Methods of gemination 647 



210. Growth of zoariiim 649 



211. Branching of zoarium 649 



212. Origin of zoarium 650 



213. I'n it. leciuni 650 



214. Fissiparity of primary embryo 651 



215. Forma Stomatopora lironn, 1S25 653 



2 Hi. Forma I'erenieea 1. amour. MIX. IS2I 669 



217. Forma Hiaslopora l.amoiironx, 1821 (>72 



2 IX. I''orma Spiropora Lamouroux, 1821 674 



21!). Family Ileteroporidae I'ergens and Meunier, 188G (i76 



220. Forma Ceriopora Cioldfuss, 1827 678 



221. Forma Reptomulticava D'Orbigny, 1852 680 



222. Forma Heteropora de Blainville, 1830 681 



223. Forma Multicrescis D'Orbigny, 1852 684 



224. Genus Fungella Hagenow, 1851 685 



225. Genus Biflabellaria Pergens, 1894 685 



221!. Genus Oncousoecia Canu, 1918 687 



227. Families of Ovicellata - 688 



228. Peristomoecia, new genus 693 



22!l. Anatomy of the family Crisiidae Johnston, 1847 698 



^230. Family Crisiidae Johnston, 1847 700 



231. Genus Crisia Lamouroux, 1816 703 



232. Genus Crisidia Milne Edwards, 1838 708 



233. Genus Plagioecia Canu, 1918 709 



234. Desmeplagioecia, new genus 718 



235. Genus Macroecia Canu, 1918 723 



2311. Anatomy of the family Mecynoeciidae Canu, 1918 724 



237 . Genus Mecynoecia Canu, 1918 724 



238. Mecynoecia (Entalophora) proboscidea Milne Edwards, 1838 



239. Anatomy of the Iiiaperoeciidae Canu, 1918 73!) 



2 10. Genus Diaperoecia Canu, 1918 740 



241. Genus Diplosolen Canu, 1918 746 



242. Genus Crisulipora Robertson, 1910 748 



243. Deamediaperoecia, new genus 751 



2-14. Family Tubuliporidae Johnston, 1838 754 



245. Genera of the Tubuliporidae ,756 



246. ( )eciopores of Tubulipora 757 



247. Genii* Tubulipora Lamark, 1816 758 



248. Platonea, r ne\v7genus 



249. Centronea, new genus - 761 



