398 



Plate XIV. 



Fig. 1 a. Adeona violacea (Johnst). Numerous marginal 

 zocEcia are seen, the frontal wall of which 

 is still uncalcified. X 23. 



— lb. Four zooecia of the same species. On two of 



the zooecia the avicularium is replaced by 

 an elongated cavity which opens by means 

 of a round pore. X 40. 



— 1 c. Three zooecia of the same species, from the 



basal aspect, after removal of the basal sur- 

 face. The primary aperture and the proximal 

 margin of the secondary are seen. X 40. 



— Id. Two gonozooecia of the same species. They 



are furnished with a similar cavity instead 

 of avicularium, like the two zooecia in fig. 

 1 b. X 40. 



— 1 e. An avicularian mandible of the same spe- 



cies. X 100. 



— If. An operculum of the same species. The 



somewhat more chitinized transverse oval 

 part is the portion of the operculum, which 

 corresponds witli the' secondary aperture. 

 X 75. 



— 2 a. Adeonella serrata u. sp. In a single zooecium 



the aperture is covered by a calcareous 

 plate. X 55. 



— 2 b. Two gonozooecia and an independent avicu- 



larium of the same species. X 55. 



— 2 c. Three zooecia of the same species, from the 



basal aspect, after removal of the basal sur- 

 face. X 55. 



— 2 d. A mandible of an independent avicularium 



of the same species. X 40. 



— 2 e. The mandible of a dependent avicularium, 



more highly enlarged. X 140. 



— 2 f The operculum of a gonozocecium of the 



same species. X 140. 



— 2 g. The operculum of an ordinary zooecium of 



the same species. X 140. 



— 3 a. Bracebridgia pyriformis (Mac Gilliv) X 40. 



— 3 b. Four zooecia of tlie same species, from the 



basal aspect, after removal of the basal sur- 

 face. X 55. 

 Fig. 3 c. A portion of the margin of a colony of the 

 same species with two avicularia. X 55. 



— 3d. An avicularian mandible of the same species. 



X 140. 



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



— 4 a. Adeonella Jellgae n. sp. In two ot the zooe- 



cia the pore of the secondary aperture is 

 not yet constricted. X 40. 



— 4 b. Two opposite rows of zooecia, lateral view. 



In the two adjacent median, longitudinal 

 belts numerous (less distinctly drawn) uni- 

 porous rosette-plates are seen. X 40. 



— 4 c. A zooecium and a gonozooecium of the same 



species, showing the primary aperture. X 40. 



— 4d. An independent avicularium of the same 



species. X 40. 



— 4 e. The mandible of the indei^endent aviculari- 



um. X 75. 



— 4 f The mandible of an independent aviculari- 



um. X 100. 



— 4 g. The primary aperture of the same species. 



X 75. 



— 4h. The operculum of a gonozooecium of the 



same species. X 100. 



— 4 1. The operculum of an ordinary zooecium of 



the same species. X 100. 



— 4 j. Adeonella pggmcea. n. sp. (not A. Jellyae). 



Uppermost a single zooecium with the pri- 

 mary aperture. X 40. 



— 4 k. The operculum of a zooecium of same spe- 



cies. X 200. 



— 5 a. Adeonellopsis coscinophora (Reuss). 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. 



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



X 100. 



