248 CALIFORNIA ACADEMY OF SCIENCES. 



Note on a new English Homalonotus from the 



Devonian, Torquay, South Devon. 



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

 Homalonotus champernoivnei 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., Paltxocaris burnettl n. sp., tig., p. 533, pi. 14, fig. 3. 

 Palceocaris typus M. & W. Ananthotelson sttmpsoni M. & W. 



Additional note on Homalonotus from the 



Devonian. 



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

 Homalonotus goniopygceus n. sp., H. champernownei H. W. 



Note on Ellipsocaris deivalquei, 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 Peltocaris, 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 n. g. Pholadocaris n. g. 



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

 C. bipartita n. sp. 5, Pholadocaris leei n. 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. 



Proetus'! levis n. sp. Phillipsia derbyensis Martin, P. colei McCoy, P. 

 gemmulifera Phill., P. truncatula Phill., P. eichivaldi Fisch., P. eichwaldi 

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

 fithides seminiferus Phill., G. globiceps Phill., G. acanthiceps H. W., G. 

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

 Portl., G. calcaratus McCoy, G. moriceps 11. sp. Brachymetopus maccoyi 

 Portl., B. discors McCoy, B. hibernicus n. sp., B. ouralicusDe'Veru. 



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

 shield of some Trilobites. 



