358 ZOOPHYTES. 



Sowerl>y,MineralCcmchology,\.\65,i>].T2. ramosum, tubulosum ; superficie cellis 



Phillips, Palceozoic Fossils, p. 7, pi. 3, immersis; cellis sparsis, per diaphrag- 



fig. 8. mata transversa divisis, distinctis, obso- 



Michelin, /cow. Zoophyt., 104, pi. 26, fig. 1; lete stellatis ; lamellis subnullis." The 



Michelin's genus is thus characterized by species here referred to the genus is from 



him : " Fixum, glomerato-globosum vel the Oolite. 



GENUS IV. CANINIA. MICHELIN. 



Cyatlwphyllidtz simplicissimce aut aggregato-gemmata. Corallum peni- 

 tus transverse septatum, cellis concavis ; stellce radiis uno velpluribus 

 proximis obsoletis, et infra, septis transversis ad infundibulum de- 

 pressis ; texturd Calophyllis affine. 



Quite simple or aggregato-gemmate. Corallum within transversely 

 septate; cells concave; one or more rays of the star, on one side, 

 obsolete, and the transverse septa beneath this part having a funnel- 

 shaped depression ; general texture like that of the Calophylla. 



This genus, instituted by Michelin, includes a few species of Cyatho- 

 phylla with a depression on one side of the star and some appearance 

 like a siphuncle. The depression is apparent in all the transverse 

 septa below. Koninck doubts the grounds on which the genus is 

 founded ; but Michelin states that he has observed the characteristic 

 in a large number of specimens. Good drawings of it are given in 

 his Iconographie Zoophytologique, pi. 16. This peculiarity has not 

 been observed in any massive species. (Icon., p. 81.) 



GENUS V. ACERVULARIA. SCHWEIGGER. 



Cyathophyllidce ramosce aut aggregates. Corallum vix transverse sep- 

 tatum, cellis ad summitates acervate proliferis. 



Ramose or aggregate. Corallum imperfectly transverse-septate, or 

 not at all so; cells at summit acervately proliferous. 



