248 CALIFORNIA ACADEMY OF SCIENCES. 



Note on a new English Homalonotus from the 



Devonian, Torquay, South Devon. 



In Geol. Mag., decade 2, vol. 8, Loudon, 1881, p. 489, pi. 13. 

 Homnlonotus champernotvnei n. sp. 



Contributions to the study of fossil Crustacea. 



In Geol. Mag., decade 2, vol. 8, London, 1881, p. 529, pi. 14. 

 Eryon perroni n. sp., PaheocariH burneUi n. sp., tig., p. 533, pi. 14, fig. 3. 

 Palmocaria typns M. & W. AnanthoteUon stimpsoni M. & W. 



Additional note on Homalonotus from the 



Devonian. 



In Geol. Mag., decade 2, vol. 9, London, 1882, p. 154, pi. 4. 

 Homalonotus goniopygauH u. sp., //. champernownei H. W. 



Note on Ellipsocaris deiualquei, a new Phyllo- 



pod from the Upper Devonian of Belgium. 



In Geol. Mag., decade 2, vol. 9, London, 1882, p. 444, figs. 

 The author illustrates the shields of Pcllocnris, Discinocaris, Apthycopsis 

 and Ellipsocaris. 



Ellipsocaris dewalquei n. sp. 



On a series of Phyllopod Crustacean shields 



from the Upper Devonian of the Eifel; and on one from 

 the Wenlock shales of Wales. 



In Geol. Mag., new series, decade 2, vol. 9, London, 1882, p. 385, pi. 9. 

 Cardiocaris u. g. Pholadocaris n. g. 



1, Cardiocaris romeri u. sp. 2, C. veneris u. sp. 3, C. lata n. sp. 4, 

 C. bipnrtita n. sj). 5, Pholadocaris leei u. sp. 6, Aptychospis salteri n. sp. 



Synopsis of the genera and species of Car- 



boniferous limestone Trilobites. 



In Geol. Mag., new series, decade 2. vol. 10, London, 1883, pp. 445, 

 481, 534, pis. 11-13. 



Proetust levis n. sp. Phillipsia derbijensis Martin, P. colei McCoy, P. 

 gemmulifera Phill., P. truncatida Phill., P. eichwaldi Fisch., P. eichtvaldi 

 var. mucronata McCoy, P. quadrilimba Phill., P. laticaudata n. sp. Grif- 

 Jithides seminiferns Phill., G. globiceps Phill., G. acanthiceps H. W., G. 

 longiceps Portl., G. platyceps Portl., G. obsoletus Phill., G. longispinus 

 Portl., G. calcaratus McCoy, G. moriceps n. sp. Brachymetopus maccoyi 

 Portl., B.discors McCoy, B. hibernicus u. sp., B. ouralicusT>e\evu. 



Note on the nature of certain jiores observed in the cephalon or head 

 shield of some Trilobites. 



