March, 1907.] TflB ViCfORIAN NATURALIST. 239 



Preliminary List of Fossils from the Silurian (Yeringian) 

 Rocks of Croydon. 



CORALS. 



Favosites, sp. 

 Monticuliporoids (indet.) 



crinoids. 



Portions of the column, apparently of several genera and species. 



POLYZOA. 



Fenestella margaritifera, Chapm. 



BRACHIOPODS. 



Pholidops (probably a new sp.) 

 Strojjhonella euglyphoides, Chapm. 

 Strophonella, sp., cf. punctulifera, Conrad 

 Stropheodonta {Brachyprion) lilydalensis, Chapm. 

 Leptcena rhoviboidalis, Wilckens, sp. 

 Leptcena rhornboidalis, var. undoAa, McCoy 

 Ghonetes robusta, Chapm. 

 Stricklandinia, sp., aff. lirata, Sow., sp. 

 Pentamerus australis, McCoy 

 ? Camarotoechia 

 Wilsonia, sp. 

 Uncinulus, sp. 



Atrypa reticularis, Linne, sp. 



Spirifer perlamellosios, J. Hall, var. nov. ( = *S. sulcatus, McCoy, 

 non Hisinger). 



BIVALVES. 

 Pterinea lineata, Goldfuss 

 Pteria (Actinopteria) boydi, Conrad, sp. 

 Pteria [Actinopteria) asperula, McCoy, sp., var. nov. 

 Leiopteria, cf. oweni, J. Hall 

 Glossites, sp. nov. 

 Cypricardinia contexta, Barrande. 



trilobites. 

 Homalonotus, sp. 

 Galymene, cf. tuberculata, Salter. 



OSTRACODA. 



Beyrichia kloedeni, McCoy 



Beyrichia kloedeni, var. granulata, Jones 



Beyrichia wooriyallockensis, Chapm. 



CIRRIPEDIA. 



An incomplete specimen, probably referable to this group, but 

 differing from any known form. 



