108 CALIFORNIA ACADEMY OF SCIENCES. 



The author remarks in regard to the genus Richteria (Neues Jahrb. fiir 

 Mineral., 1874, p. 183): "I cannot find any reason to support the estab- 

 lishment of my proposed genus Richteria for the typical specimens show 

 merely the conformation and characters of Entomis." 



Entomis serratostriata Sandb., E. tenella Richter, E. labyrinthica Richter, 

 E. gyrata Eichter. 



Notes on some Palaeozoic Entomostraca. 



In Geol. Mag., decade 2, vol. 8, 1881, p. 337, 2 pis. 



Gyprosis n. g. Cyprosina n. g. Cypridina ? Cyprosis hawellii n. sp. 

 Cyprosina whidbornei n. sp. Polycope. devonica n. sp. Leperditia ? dor- 

 sails Bichter. Entomis calcarata Richter. Primitia armata Richter? P.? 

 ci/lindrica Richter. Beyrichia hollii n. sp., B. tuberculata Kloden, B. kloe- 

 deni McCoy, var. antiquata Jones, B. kloedeni McCoy also B. kloedeni 

 (typica) var. tuberculata, var. antiquata, var. pauperata, var. intermedia, 

 var. subtorosa, var. torosa. Beyrichia colwallensis Holl, MS. 



- Notes on some Palaeozoic Entomostraca. No. 

 14. Some Cambrian and Silurian Leperditia and Pri- 

 mitia. 



In Annals Mag. Nat. Hist., 5th series, London, vol. 8, 1881, p. 332, pis. 

 19, 20. 



Characteristic features of the Leperditiadae. 



Leperditia balthica His. also var. contracta, L. hisingeri Schmidt, L. 

 phaseolus His. var. marginata, L.canadensis Jones and L.fabulites Conrad 

 with varieties, L. amygdalina Jones, L. billingsii n. sp., L. alta Conrad, L. 

 hicksii Jones. Isochilina grandis Schrenk. Primitia simplex Jones, also 

 varieties sanctojohannesiana, lloydiana and milneana. 



and Schmidt (F ) On some Silurian Leperditia. 



In Annals. Mag. Nat. Hist., 5th series, London, vol. 9, 1882, p. 168. 



This article contains some criticisms on Prof. Jones' Notes on the Palae- 

 ozoic Bivalved Entomostraca published in Ann. Mag. Nat. Hist., ser. 5, 

 vol. 8, Nov., 1881. 



Notes on some Palaeozoic bivalved Entomos- 

 traca. No. 15. 



In Annals Mag. Nat, Hist., 5th series, London, vol. 10, 1882, p. 358, figs. 

 1 a, b. 



Primitia allied to Primitia barrandiana. 



Notes on the Palaeozoic bivalved Entomostraca. 



No. 16. 1. Some Palaeozoic and other bivalved Ento- 

 mostraca from Siberian Russia, pi. 6. 2. Some Palae- 

 ozoic bivalved Entomostraca from Spitzbergen, pi. 9. 



