J> 



2a PETRI faction! 109. HeEmimMitbus. 



wfh a very convex, TOtJg'hirh, -ofte-n 3 parted flicTl femritiTiar 

 <oii the fore-part, grocn'cd its whole length, ivit'h 2 hemif- 

 phencal •©r cylmdricd tubercles at>ovc on the fides: trunk 

 cylindrical, 3-lobed, covered with a laminar •theli confiiling 

 ©f verfatil^ maii-c«a.Led nts^s: tail thin, 3 -parted by 3 tu- 



berdfs. 



109, HELMINTHOLITHUS. The body, or 

 parrs, of a cruilaccous woj m or Iheli-fiih changed 

 into a folTik fubilance* 



Ast&ria. The liar-fiHi or its parts* 



I. Tkc Afteriai pappofa. 



f o £aty llrne:ftoii« at P€ip^thh£h&^ 



24 *0>e Allerias tabens. 



la Si. Pit£rj matttttain Bear IklajiriS, 



3„ Tiie Aftcris-s mifi^ta. 



Helmintiiolkh'as Aliricm, i%?« irtr/. sii. 3. p* 166. «« It. 

 Alirixjti, Sea ftar. Berker.h. tynofj'. p, 272, 



Found ic cfeali pits i© various parts of E^i^and, minute, red- 

 difli- white, in form of a itar or wheel with 4 or 5 radii, 

 fomewhat convex in the centre- 



^, The Afkdas glacialis. 

 ffi Frjiau near MtdefBu, 



5 . Ti"*c ASerias Tetictilata, 



la F*-jattc£ ncai ChaJ)mi on the S^am., 



6, The A&erias aiarantiaca, 



y. The Afterias cqiacftris* 

 hi ^fandiioiics ic Aoso^. 



8. The A&eriaseplii'nra^ 



fa Iitjsi^ :*a.d €i.ermanf in marble, and with folitary rays at Ret- 

 imhsrg^ and near Hej^nehur^ in 4 y-eliow fhicing fandiloiie* 



^, Tkc AiicTii'S peSJsaata.. 



Ait P^ppi'hizm in flaty limefi:oiie« 



to. TJac Afieria'' moltisadaata. 



Hdmi-voijchas aJvcolatus. Syji, not. xii. 3*/. 166, 

 f^ear Stj&aig^rA^ with the rays aggregate- 



II, T}« Afterias Cap at Medufae, 



TiifJe arsfc/flnd g-eiifrallv an moumaiiss of -chalk, limeHone or 

 CaiidSonc, ioimfi times the mere impreiCons, 



