DESCRIPTION OF PLATES. V 



PLATE 



XLVIII. Fig. 4. Carbasea bombycina, p. 52, natural size ; 

 fig. 5, front ; fig. 6, back ; fig. 1, ovicells. 



XLIX. Fig. 1. Carbasea armata, p. 50, natural size; fig. 2, 



front. 

 Fig. 3. Flustra denticulata (var. inermis), p. 49, natu- 



ral size ; fig. 4, magnified. 

 Fig. 5. Carbasea ovoidea, p. 52, natural size-, fig. 6, 



front-, fig. 7, &ac&. 



L. Fig. 1. Carbasea papyrea, p. 52, natural size; fig. 2, 

 /roraf; fig. 3, back. 



Fig. 4. Carbasea dissimilis, p. 51, natural size ; fig. 5, 

 ; fig. 6, back ; fig. 7? avicularium. 



LI. Fig. 1. Bugula flabellata, p. 44, natural size ; fig. 2, 

 f ; fig. 3, avicularium (more magnified). 



LII. Bugula flabellata, p. 44, back. 



LIII. Fig. 1. Bugula avicularia, p. 45, natural size; fig. 2, 

 front ; fig. 3, back ; fig. 4, avicularium. 



LIV. Fig. 1. Bugula plumosa, p. 45, natural size; fig. 2, 

 ; fig. 3, back ; fig. 4, ovicell ; fig. 5, 

 ' 



Fig. 6. Carbasea elegans, p. 53, front; fig. 7, 



LV. Fig. 1. Carbasea pisciformis, p. 50, front; fig. 2, 



Fig. 3. Carbasea episcopalis, p. 52, front (without 



ovicells). 



Figs. 4, 5. Flustra foliacea, p. 47. 

 Figs. 6, 7. Flustra papyracea, p. 48. 



L.VI. Figs. 1, 2. Flustra truncata, p. 48. 

 Fig. 3. Carbasea elegans, p. 53. 

 Fig. 4. Flustra octodon, p. 49. 

 Fig, 5. Flustra foliacea, p. 47. 

 Fig. 6. Carbasea pisciformis, p. 50. 

 Fig. 7- Flustra denticulata, p. 49. 



LVII. Fig. 1. Flustra denticulata, p. 49, portion of frond ; 

 fig. 2, a single cell with avicularium more 

 highly magnified. 



LVIU. Figs. 1, 2. Flustra, truncata, p. 48. 



Fig. 3. Carbasea indivisa, p. 53, front; fig. 4, back. 



Fig. 5. Flustra octodon, p. 48. 



Fig. 6. Membranipora telacea. Vid. Part IL 



