39 



short, thick, and extending only about halt-way in from the margin toward- the middle (tli. 

 central region being .smooth), numbering from twenty to twenty-live at their inner ends, but 

 each bifurcating so as to double this number at the margin : -.imetime- the one on the side 

 opposite the fossette is divided into three." (Meek and \Vurthen, loc. cit.). 



Having only obtain 

 single well piv- r , -l spe- 

 cimen of tin- pretty little 

 coral, now for thetirst time 

 recorded from Canada, I 

 have nothing ofimportanoe 

 to add to tin- alii.ve d.-~ 

 cription. Our specimen 

 ha- a diameter of live li 



Micr- " ami Wurthen); o upi>tT surf.' ['he cross shows and a height (it 'half a line ; 



the true liiiin.'iiM.'iis) ; b under surface vf the same v]>muiun, of the natural size. i t|, , d. . .... ] . .. .. 



the calice is at one point elevated into a small pointed boss. 



LociiHt'i a i /' (/ton.- -Hare, in the Hamilton formation, at Bartlett's. Mills, ne-ir 

 Arkona, Township of Bosanquet. 



Genus HAIMEOPHYLLUM (Billing- . 



" Corallum ag . con-i-tinir of colonies of long slender sub-parallel oorallites, united 



laterally by periodic expansions of the cup. Internal structure of vesicular diaphragm-, a- iu 

 the genus \fich liltia ; ivi Matini; -ept-i rudim -ntary " (Billin_ The following spe 



from the Corniferous Limestone is at present the only one known. 



37. HAIMEOPHYLLUM ORDIN AT UM (Billings). 



Haim <^/////>///, onWnofcw (Billings), GV//"<//'/.. . New Series Vol. IV. p. 1-' 



Fi. 



. 



"Corallum formiiiL' lar_re. sub-globular or flat hemispheric masses ; average diameter i>f 

 the corallites in the constricted portions one line and a halt' to two lines, and of the cxpan-i 

 two and a halt' to three :md a half lines. The epithe.-a, when- it ean In- ,-een between the 

 expan-ion-. i- more or less distinctly marked with the hori/.ontal -eptal >iri:e. Tin-re 

 to ! admit t'nrty internal stri;c. The e.\]>an-i"iK whieh connect the coralliti'< are |.eric>di. 

 Of occur at the same level in all the individual- at d:.-taiie>-- uf ('rum one to t!ir>-e Hi: 

 (Billin 



Thi- remarkable coral (iinmt be confounded with an\ nth'T. it- peculiar m<>de oi'.jrov. 



:ippc.-iriii'_ r almic tu be .jiiite distinctive. '1'he larjcr masses app ar tn b.- t'^nii'-d nl' 8UCC 

 strata, tin- corallite- nl'crich .stratum h.'in^ u-ually -!IMI-; , h ill' .11 inch in heij-lit i, and !, 

 siip-;-inip'.-.-il ii|iun those of the i nfi'i-ior st rat a, not dir.vlv but alternatelv, so that tin- ror.i!- 

 lite- of one -tntum appear to -prills from the periodic edicine i'\|ian-ion.> of the coral lite.- 111 

 the -tratiiru b -low. All example-, however, do not -how t'ii-; and it i- po-,iblc that the 

 rim. -n- 'xhihitinir thi- peciiliarit \ are referribli- to a new species. 



/. Corniferou- Lime.-t<.ne ... |',,n Colborne, II : .. . , 



Lot I!, Con. ! . \\'aintleet. 



Gem 81 UMOOPO&A dloldf . 



Corallum B itO, at tir-( ereepin'_ r , after the nrinner of A . then -ending u[> 



mini' T i vertical, c\ lindnc-il c..rahitcs. wh'n-li are u-uallv llcxuous and -ub parallel, and ar<- 

 OOOneoted tOgetbei laterally by numerous Iran-. 'inceiiir.r proee Kpiilie,-:i well 



develop, l pta, rndimentar lisa, chi-.-.-et ;md infundibulirbrm, or pl-i'-.-.i within on r 



aiiot h. -r li' iee of funm-l-. 



Tip- clriractcr- ,,f i ),,. -enu , <v/-//;//ny. !1 marke.l, mid a- a rule ih. r i- 'i -t 



the -in ,!!,-, ,|i;; ; < llllple of I I If, however, the >'./// 



'', and .1 of \lr. liillingS an to B rct-iin.-d here, then the definition of : 



I Illll-t be -umewhat modi!i'-d, -iliec the Cor:iH||e, of the former s|pe,-ie- have the h ibil of 



