398 



Plate XIV. 



l-iK I ■■'- 



— lb. 



— 1 C-. 



— Id. 



— 1 



— 1 



— 2 b. 



— 2d 



— 2e 

 2 

 2( 



- 2 f. 



Adeorrn tnotacfii .loliiist . Numerous marginal 

 zoa'fia are seen, the frontal wall of which 

 is still uncakified. X 28. 



Four zoiecia of the same species. On two of 

 the zod-cia the aviculariuui is re|)laced by 

 an elongated cavity which opens by means 

 of a round pore. X 40. 



Three zoiccia of the same species, from the 

 basal aspect, after removal of the basal sur- 

 face. The primary aperture and the pro.ximal 

 margin of the secondary are seen. X 40. 

 Two gonozocccia of the same species. They 

 are furnished with a similar cavity instead 

 of avicularium, like the two zocecia in fig. 

 1 b. X 40. 



An avieularian mandible of the same spe- 

 cies. X 100. 



An operculum of the .same species. The 

 somewhat more chiliuized transverse oval 

 part is the portioEi of the operculum, which 

 corresponds with the' secondarv aperture. 

 X T.-i. 



Adconella scrrata n. sp. In a single zotecium 

 the aperture is covered by a calcareous 

 plate. X .')5. 



Two gonozoa'cia and an independent avicu- 

 larium of the same species. X .'>.'>. 

 Three zoa'cia of the same species, from the 

 basal aspect, after removal of the basal .sur- 

 face. X .'i.T. 



A mandible of an iudepcndcjit avicularium 

 of the same species. X 40. 

 The mandible of a dependent avicularium, 

 more highly enlarged. X 140. 

 The operculum of a gonozonecium of the 

 same species. X 140. 



The operculum of an ordinary zocecium of 

 the .same species. X 140. 

 Bracebridgia pi/riformis (Mac Gilliv: X 40. 

 Foul- zoiecia of the same species, from the 



after removal of llie basal sur- 



basal aspect, 

 face. X ").'). 

 Fig .'t c. A portion of the margin of a colony of the 

 same species with two avicularia. X 5.'). 



— ;i d. An avieularian mandible of the same species. 



X 140. 



— 3 e. The operculum of the .same species. X 140 



— 4 a. Adconella JelUjac n. sp. In two ot the zoce- 



cla the pore of the secondary aperture is 

 not yet constricted. X 40. 



— 4 b. Two opposite rows of zocecia. lateral view. 



In the two adjacent median, longitudinal 

 belts numerous less distinctly drawn) uni- 

 jjorous rosette-plates are .seen. X 40. 



— 4 c. A zo(ecium and a gonozorecium of the same 



species, showing the primary aperture. X 40. 



— 4 d. An iudei)endent avicularium of the same 



species. X 40. 



— 4 e. The mandible of the ludepciidcnt avlculail- 



um. X /.'>. 



— 4 f. The mandible 



um. X ion. 



— 4 g. The primarv aperture of llie 



X 7,'). 



— 4 h. The operculum of a gonozocecium of the 



.same species. X 100. 



— 4 1. The operculum of an ordinary zo(Cclum of 



the same species. X 100. 



— 4 J. Aflconclld piicima-a. n. s]). (not A. Jcllyae). 



I'ppermost a single zo(Ccium with the pri- 

 mary aperture. X 40. 



— 4 k. I'he operculum of a zoa?clum of .same spe- 



cies. X 200. 



— 5 a. Adeoncllopsis roscinoplwra (Ueuss). X 55. 



— 5 b. The same species, from the basal aspect. 



after removal of the basal surface. X 40. 



— 5 c. The operculum of the same species. X 140. 



— 5d. An avieularian mandible of the same species. 



X 100, 



if a[i independent avkulari- 



saTue species. 



