66 Chapman, Siluvian Fossils of South Yarra, &c. F^a^' ^f'' 



VERMES. 



Y. D. Trachyderma crassituba, Chapm. 



Ref. — Chapman ('lo), p. 103, pi. XXVII., figs. 1-4. 



One of the commonest fossils at South Yarra. Also found in 

 the dark blue indurated shale near Moonee Ponds Racecourse. 



BRACHIOPODA. 



Y. Lingula spryi, Chapm. 



Ref. — Chapman {'03''^), p. 64, pi. X., figs. 9, ga. 



Also found in the Swanston-street sewerage works. 

 Y. Lingula yarraensis, Chapm. 



Ref. — Chapman ('03^), p. 65, pi. X., figs. 10, io«. Figured 

 and described under the name of L. latior {nan M'Coy). After- 

 wards changed {nam. rtiut.) to L. yarraensis, Chapm. ('05), p. 19. 

 Y. D. Siphonotreta australis, Chapm. 



Ref. — Chapman ('03^), p. 65, pi. X., figs. 7, 8, 13 ; pi. XL. fig. i. 



Found also in Swanston-street. 

 Y. Craniella lata, Chapm. 



Ref. — Chapman ('03'''), p. 68, pi. X., figs. 4, 14. 

 Y. D. Chonetes melbouryiensis, Chapm. 



Ref. — Chapman ('03^), p. 74, pi. XL, figs. 2-4. 



One of the most widely distributed of the Silurian fossils of the 

 Melbourne area. Other localities are Merri Creek, Studley Park, 

 Balwyn, near Templestowe, Yan Yean, and Broadhurst's Creek 

 near Kilmore. 



Y. Stropho7nena (?) pecten, L., sp. 

 Y. Flectambonites, sp. 

 Y. D. Orthis elegantida, Dalman. 



A cosmopolitan species. A well-known Silurian fossil in the 

 British Islands, the Island of Gotland, Russia, Bohemia, United 

 States, &c. In Victoria it also occurs at Fraser's Creek, Spring- 

 field. 

 Y. Camarotaechia decemplicata, Sow., sp. 



Ref.— M'Coy ('77), " BhynchoupMa;' p. 26, pi. XLVIL, fig. 4. 



Found also in the Upper Llandovery of England. Other 

 localities in Victoria are Richmond, Moonee Ponds Creek, Yan 

 Yean, and Kilmore, in the Melbournian ; and the Upper Yarra 

 district, in the Yeringian series. 

 Y. Rhynchotrema forinosa, J. Hall, sp. 



Ref.— M'Coy ('77), '' LiopUura,'' p. 22, pi. XLVL, fig. 6. 



Also typical of the Lower Helderbergian (Upper Silurian) of 

 North America. Another locality in Victoria is near Mt. Dis- 

 appointment. 

 Y. Diela&ina, sp. 

 Y. D. Niicleospira australis, M'Coy. 



Ref.— M'Coy ('77), p. 27, pi. XLVIL, figs. 7, 8. 



Other localities are Swanston-street, Jolimont, Merri Creek, 

 and Broadhurst's Creek. 



