32 



H. TENUIS, B.,op. cit., p. 428. — Cells, in general, a little less than half 

 a line in diameter, and half their own width distant. The walls are exces- 

 sively thin and rarely distinguishable, not forming a distinct ring as in the 

 others above described. Coenenchyma, as seen upon the surface, composed 

 of minute polygonal cells. This species may, perhaps, belong to the 

 genus Protaroea. Gamache Bay ; Div. 1, A. G. T. C. Weston. 



Genus Favosites, Lamarck. 



F. PROLiFicus, B,, (ante, p. 6.) — Occurs in numerous localities through- 

 out the island ; Div. 1, 2, 3, 4, A. G. Also in the H. R. 



F. GOTHLANDICA, Lamarck. — A species which cannot be (without com- 

 parison with specimens from the locality of the type) distinguished from 

 this occurs throughout Divs. 2 3, and 4, A. G. 



F. FAVOSA, Goldfuss. — The Jumpers, Div. 4, A. G. 

 Genus Stenopora, Lonsdale. 



S. fibrosa. — Occurs throughout Divs. 1, 2, 3 and 4, A. G. Also in 

 the H. R. 



S. BULBOSA, B., op. cit., p. 429. — This species is found in small globu- 

 lar or sub pyriform masses from six to thirty lines in diameter. There is 

 often a small shell buried in the base. The tubes are about the size of 

 those of S, petropolitana. Gamache Bay, Div. 1, A. G. T. C. Weston. 



Genus Halysites, Fischer. 



H. catenulatus, Linnaeus. — Occurs in numerous localities throughout 

 Div. 1, 2, 3, and 4, A. G. Also in the H. R. 



Genus Calapcecia, Billings. 



a. 



Fig. 15. 



Fig. 15. — Calajyceeia Anticostiensis.—a, i)OYtioYi of the surface; b, a 

 vertical polished section. 



C. Anticostiensis, B., op. cit., p. 426. — Corallum forming depressed 

 hemispheric masses. Corallites a little more than one line in diameter 

 with smaller ones between them, sometimes in contact, but, in general, dis- 



