EXPLANATION TO PLATE XXIV. 



Fin. 1. ,S'i liiiliinilii i'li-t/<tiifi Nuttinsr. Part of colony with gonangium (cnlan,'t'il I. 



'2. Si-rliiliin-llit iiiiliifiiini (d'Orbigny). l':irt of liranrli icnhirgccll. 



3,4. Sii-lnlui-illii iiiilin-iiiiii. Kinls nf liyilri>tliiM';r, sliowinir ti'rtli iinil ippiTclila (jrrcatly t'liUirgeil ). 



">. Sertularella, mikneana. Hiiiaii^iiini icnlarjjrcil i. 



(>. M rtiiltii'i/lii iiiiii/ilttiiiirn (Marktanner-Turheretscher). Lower jiarl nf culuny 



7. Xirltiliiri'llti iiiiiijilliniii'ii. I list;)] [iart (if coldiiy (ciilaiycil ). 



s. Sertularetta magellaniea. End of hydrotheca, slmwinir tcdli (rnlarirt'il i. 



!i. .s'< liiilin-il/ii iiiiiiiiin NuitiiiL'. I'art i if culi my \vith gonangium (enlarged). 



HI. Si-iinlitn-lln iii'iiiiiln. End nf liydmllicca, slidwinj; tet'tli (irroatly 



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