part 2] 



ITS STBUCTUEE AISTD ROCE-SrCCESSIOX. 



169 



VIII. Faunal Lists. 



Derfel Limestone. 



c= common ; r=rare. 



pq 





5 



he 



+ 

 + 



Licha s laxatus M'Coy. c 



Ci/bele verrucosa {Dalm^n). c 



Oi/bele rugosa (Fortlock). c 



Illcenus balelatchiensis Reed. c 



Acidaspis liysterix Wj'ville Thomson. r 



HaryesflanaganiYoxXXocV. r 



Trinucleus f^j). c 



Orthis (Flatystro'plna) hiforata (Schlotlieim). c 



Orthis (Nicolella) actonice (Sowerby). c 



Orthis (Nicolella?) alata (Sowerby). v 



Orthis (Sehertella) crt'spa (M'Coy). r 



Orthis (Dalmanella) testtodinaria var. gracilis 



Reed. r 



Orthis (Dalmanella) girvanensis (Da,vidson). r... 



Orthis pi ayf air il^eed. c 



Orthis (Seterorthis) confinis Qaltev ? c 



Skenidiuin lewisi var. craigense^eed. r 



Triplecia craigensis Reed. r 



Cliftonia andersoni Reed. c 



Clitamhonites cf. ascendens Pander. r 



Leptcena rhomhoidalis Wilckens. c 



JRafinesquina expansa var. c 



JRafinesquina subarachnoidea Reed. c 



Stropheodonta corrugatella (Davidson). r 



Flectambonites Uandeiloensis (Davidson). c 



Flectamhonites sericea var. semirugata Reed. c... 



Numerous Eryozoa, and a few Crinoid-stems 

 and Cystid-plates. 



+ 



+ 



