ART. 11 SOME BUEGESS SH.ILE FOSSILS — HUTCHINSON 13 



Family 2, Rochclalidae, new family. 



Twelve pedigerous segments with no separate postpedigerous 

 region distinguishable. 



Type Rochdalia H. Woodward with one species R. parkeri H. 

 Woodward, Coal Measures, England. 



Incertae sedis. 



Family Yohoidae Henriksen. 



Type Yohoia Walcott, with a single certain species Yohoia tenuis 

 Walcott, Middle Cambrian, British Columbia. 



Family ? 



Bidentia difficilis Walcott, Middle Cambrian, British Columbia. 



Family ? 



Bram.chipusites anthracinus Goldenberg. Coal Measures, South 

 Germany. 



BIBLIOGRAPHY 



Barnard, K. H. 1929. Contributions to the Crustacean Fauna of South Af- 

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Caiman, W. T. 1909, In E. R. Lankester. Treatise on Zoologj\ Part 7, ' 

 fasc. 3, Crustacea. London. A. and C. Black. 



Dadat de Dees, E. 1910. Monographie systematique des Phyllopodes Anos- 

 trac^s. Ann. Sci. Nat. Zool., ser. 9, vol. 11, p. 91. 



Evans, A. T. 1915. The Morphology of the Frontal Appendage of the Male 

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Fedotov, D. 1924. On the Relations between the Crustacea, Trilobita, Mero- 

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Goldenberg, F. 1875. Fauna Saraepontana Fossilis. Die fossilen Thiere aus 

 der Steinkohlenformation von Saarbriicken, vol. 1, p. 23 and pi. 1, fig. 15. 

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 Chr. Mollinger. 



Henriksen, K. L. 1928. Critical notes upon some Cambrian Arthropods de- 

 scribed by Charles D. Walcott. Vidensk. Med. fra Dansk. Naturh. 

 Foren. i. Kobenhavn, vol. 86, p. 1. 



Raymond, P. E. 1920. The Appendages, Anatomy and Relationships of the 

 Trilobites. Mem. Conn. Acad. Arts. Sci., vol. 7, p. 1. 



ScHLiEPER, C. 1929. Die Osmoregulation der Siisswasserkrebse. Verb. Deutsch. 

 Zool. Ges., Zool. Anz., suppl. 4, p. 214. 



ScouRFiELD, D. ,T. 1926. On a New Type of Crustacean from the Old Sandstone 

 (Rhynie Chert Bed. Aberdeenshire), Lepidocaris rhyniensis gen et sp. nov. 

 Philos. Trans. Roy. Soc. London, vol. 214, p. 153. 



Walcott, C. D. 1912. Cambrian Geologj' and Palaeontology. II. No. 6, Mid- 

 dle Cambrian Branchiopoda, Malacostraca, Trilobita, and Merostomata. 

 Smiths. Misc. Coll., vol. 57, p. 145. 



Woodward, H. 1879. On the Occurrence of Branchipus (or Chirocephalus) in 

 a Fossil State, associated with Eosphaeroma and with numerous Insect- 

 remains, in the Eocene Freshwater (Bembridge) Limestone of Gurnet Bay, 

 Isle of Wight, Quart. Journ, Geol, Soc, London, vol, 35, p, 342. 



• 1913. Rochdalia Parkeri, a new Brauchiopod Crustacean from the 



Middle Coal Measures of Sparth, Rochdale. Geol, Mag., ser. 5, vol. 10, p. 352. 



