102 CALIFORNIA ACADEMY OF SCIENCES. 



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

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

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

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



(From the United States.)—!, Leperditia alta Conrad; 2, L. gibbera var. 

 scalaris; 3, L. pennsylvanica; 4, L. ovata. 5, Beyrichiamaccoyiana Jones; 

 6, S. 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 Jones 

 var. labrosa,\a.r. L. louckiana, var. pauquettiana.\aT,josephiana, var. a7iti- 

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

 erditia (Isochilina) ottaica 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. Rupert 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. iaieana Jones. Cundona (!) tateana 

 Jones. Beyrichia tatei n. sp. 



On fossil Estheri'i 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. middlendorjli Jones. 

 Leaia leidyi Lea also var. salteriana and vnlUamsoiiiana. 



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



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

 the carboniferous limestone. 



