130 



('i{A.si'i:i)()i'HVLLrA[ suBC.^<:spiTf)srM. (Nicholson.) (Fio-. 

 11.) [HtliopbvUum subctvspitosum. Nicholson. Geological 

 Magazine, London, Dec. II.. Vol. 1., 1874. p. 58, PI. IV., 



Fig-. 1). ) 



Dis tiuguishing Ch arac- 

 ters.— Cylindrical corallites, 

 Avhich sometimes sliolitly 

 expand towards thecalvx; 

 sim])le or compound form, 

 the latter consisting of two 

 or three bnds around the 

 ] ) a r e n t corallite ; para llel 

 ]i<)sition of corallites ; wrin- 

 kled epitheca; secondary 

 wall and carina:". 



Fig. 11. CraspedophyUum siibcoespitonum . 1 OUUd lU the rjUCrmal 



Encrinaljliniestone. (aj Sinele branch. Eigh- i- , j. ci i- 



' — - ■ - -^ •■ 1 limestone, at Section •>; 



teen Mile Creek ; (V) specimen with sever 

 branches. Morse Creek. Stud. Pal. Coll. Harv 

 Univ., Cat. 234. (Original.) 



also at Morse Creek. 



Genus FAYOSITES. Lamakk. 



[Ety. : Favus, honey CDinb.] 

 ( Hist, des An. sans Vert., Tome II., p. 204.) 

 Coralluiii massive, more rarely branching, commonly 

 forming heads which may be a foot oi* more in diameter. 

 Corallites ])rismatic, thin, united b}' their 

 walls, which are ])erforated by eqni-distant 

 ])ores. Sejjta rudimentary or obsolete. 

 Xumerous more or less regular tabuhe 

 divide the intrathecal space. Peritheca 

 present. 



Favosites akgus. Hall. (Fig. 12.) 

 (111. Dev. Foss., PL XXXIV.) 



Distinguishiuii' ( 'hn meters. — Hemispheric, 

 pyriform, or sub-glol)ular form; two sizes 

 Kui. 13. Favosites ar- ot" ccIl apcrtures, tlic larger circular and 



(Ills. Outline of a small • , i • , i ^ i • 



specimen, and enlarge- With i)romineiit creiiuhited riuis OV ])eri- 



ment of a portion of the , , , „ , 



surface (after Haiu. stouics, tlic Smaller augular. 



