102 CALIFORNIA ACADEMY OF SCIENCES. 



(From Canada.) 1, Beyrichia logani (a) var. reniformis, (b) leper ditioides. 

 2, Leperditia canadensis, (a) var. labrosa, (b) L. canadensis ?; 3, L. anna. 

 Isochilina, subgenus of Leperditia. 4, L. ( Isoch.) Ottawa; 5, L. ( fsoch.) 

 gracilis. 6, Cytheropsis concinna; 7, C. siliqua; 8, C. rugosa. 



(From the United States.) 1, Leperditia alia Conrad; 2, L. gibbera var. 

 scalaris; 3, L. pennsylvanica; 4, L. ovata. 5, Beyrichia maccoyiana Jones; 

 6, B. pennsylvanica. 7, Leperditia (Isochilina) cylindrica Hall. 



(Beechey Island, additional.) Cytheropsis concinna. 



Additional notes on Palaeozoic Entomostraca 



from Canada. 



In Annals Mag. Nat. Hist., 3d series, London, vol. 1, 1858, p. 340. 

 Not descriptive. 



On the Palaeozoic Entomostraca of Canada. 



In Geol. Survey Canada, figure and description of Canadian organic 

 remains, decade 3, Montreal, 1858, p. 91, pi. 2; also Annals Mag. Nat. 

 Hist., 3d series, London, vol. 1, 1858, p. 244, pi. 9. 



Isochilinia n. g. Beyrichia logani Jones. Leperditia canadensis Jo lies 

 var. labrosa, var. L. louckiana, var. pauquettiana,v&T,josephiana, var. anti- 

 costiana, L. anna Jones, L. amygdalina Jones. Isochilina n. subg. Lep- 

 erditia (Isochilina) Ottawa Jones, L. (I.) gracilis Jones. Cytheropsis 

 concinna Jones, C. siliqua Jones, C. rugosa Jones. 



Description of Entomostraca from the mountain 



limestone of Berwickshire and Northumberland, by Prof. 

 T. Kupert Jones, F. G. S., etc., with notes on the strata 

 in which they occur, by George Tate, F. G. S., etc. 



In Proc. Berwickshire Nat. Club, 1864, p. 83. 



Estheria striata Miinst., also var. tateana Jones. Candona (?) tateana 

 Jones. Beyrichia tatei n. sp. 



On fossil Estheria and their distribution. 



In Quart. Jour. Soc. London, vol. 19, 1863, p. 140; also Nat. Hist. Kev., 

 1863, p. 262. 



Estheria membranacea Pacht., E. striata Miinst. also var. tateana and 

 beinertiana, E. tenella Jord., E. exigua Eichw., E. portlockii Jones, E. mi- 

 nuta Alberti also var. brodieana, E. mangaliensis Jones, E. ovata Lea, E. 

 kotahensis Jones, E. concentrica Bean, E. murchisonice Jones, E. elliptica 

 Dunker also var. subquadrata, E. forbesii Jones, E. middlendorfli Jones. 

 Leaia leidyi Lea also var. salteriana and williamsoniana. 



and Kirkby (J. W.) Notes on the Palaeozoic 



bivalved Entomostraca. No. 5. Miinster's species from 

 the carboniferous limestone. 



