406 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxviii. 



form of certain 21(mtlivaultix; therefore we believe that this species 

 ])elongs to a dittcrent genus. This fossil has a height of (50 mm., a 

 length of about 70 mm. Its sides are covered by bands of epitheca, 

 through which the costa? can be seen here and there. There are about 

 880 rather strong- and thick costa\" 



Type species. — Cyclolites 'inacrostonia Reuss. 



I)istrihution. — Cretaceous, Turonian of (iosau. 



Felix, in his Anthozocn der Gosauschichten in den Ostalpen," takes 

 no notice of Epuerh de Fromentel, leaving Cyclolites inacrostovi 

 Reuss in the geiuis to which it was originally referred. 



a 



4. Genus TROCHAR^^A Etallon. 

 1864. Trochtn-;va Et.\ll()n, Lethfea bruntrutana, p. 411. 



Original generic diagnosis. — "Corallum simple, without epitheca, 

 with the structure of Microsolena. 



"Very near the genus ^4?? a J«C(grt,' but its septa are more distinctly 

 trabecular, and it differs further by the large attachment of its base." 



Type species. — TrocJuo-pea aetinifonnis Etallon, Lethaja bruntrutana, 

 p. 411, pi. LViii, tig. 4. 



Distrihutioii. — Jurassic (Hj^povirg-ulian), Switzerland. 



Bemai'Ji's. — Apparently only two species have been referred to this 

 genus, the type species of Etallon and T. patelliformis Gregor}-,'' from 

 the fluiassic. Upper Putchum beds, northwest of Jumara, India. 

 Gregory rediagnoses the genus as follows: ^''Microsolenidce with 

 corallum simple, pedunculate, or sessile, with a broad base. Septa 

 numerous, thin; the trabecule are isolated above, but united near the 

 base into short series. Calice superficial. Columella parietal; may 

 be well developed." Under the heading ""Aflinities," he remarks: 

 "This genus is allied to Anabacia ))y its simple corallum, but differs 

 in its shape and in the character of the septa. The trabicuhe fuse 

 near the base to a greater extent than in Anahacia.^' 



GENERA NOT REFERRED TO FAMILIES. 



The data obtainable concerning quite a number of genera are not 

 sufficient to refer them to families. The type-species of each of these 

 genera must be subjected to thorough study. 1 have divided them 

 into four groups. 



I. W.\LL SOLID, CONDITION OF SEPTA UNKNOWN. 



II. SeI'TA solid, condition of wall UNKNOWN. 



III. Wall perforate, condition op septa unknown. 



IV. Condition of neither wall nor septa known. 



« Paheontographica, XLIX, imS, p. 189. 



''Jurassic Corals of Cutcli, p. 178, pi. ii a, tigs. 15-20. 



