112 CALIFORNIA ACADEMY OF SCIENCES. 



Aristozoe regina and its abdominal appendages. 33, Echinocaris and its 

 allies:^, armata (punctata) Hall, E. sublcevis Whitf., E. pustulosa Whitf., 

 E. mutinodosa Whitf., E. socialis Beecher. Elymocaris siliqua Beecher. 

 Tropidocaris bicarinata Beecher, T. inter rupta Beecher, T. alternata 

 Beecher. Echinocaris wrightiana Dawson. Colpocaris sinuata M. & W. 



and Holl (H. B.) Notes on the Palaeozoic 



bivalved Entomostraca. No. 20. On the genus Beyrichia 

 and some new species. 



In Annals Mag. Nat. Hist., 5th series, London, vol. 17, 1886, p. 337, 

 pi. 12. 



Bollia n. g. Kkedenia 11. g. Beyrichia tuberculata Kldden var. gibbosa 

 Eeuter, B. klodeni M'Coy, also var. granulata Jones, var. interned! a 3 ones, 

 and sub. var. subspissa nov., B. klodeni var, subtorosa and var. tuberculata, 

 also var. scotica B. concinna n. sp., B. maccoyiana Jones, B. jonexii 

 Boll., B. admixta n. sp., B. lacumata n. sp. Bollia bicollina n. sp., B. 

 uniflexa n. sp. Klwdenia intermedia J. & K. var. marginata n. sp. 



Notes on the Palaeozoic bivalved Entomostraca . 



No. 21. On some Silurian genera and species. 



In Annals Mag. Nat. Hist., 5th series, London, vol. 17, 1886, p. 403, pis. 

 13, 14. 



Strepula n. g. Placentula n. g. Strepula concentrica n. sp., S. irregv- 

 laris n. sp., S. beyrichioides n. sp. Bollia vinei n. sp., also var. mitis. Pla- 

 centula excavata J. & H. Primilia lenticularis J. & H., P. roemeriana J. 

 & H., P.fabulina n. sp., P. variolata J. & H., P. paucipunctata J. & H., 

 P. humilis 11. sp., P. valida n. sp., also var. breviata and augustata, P. 

 lersa J. & H., P. umbilicata J. & H., P. cristata J. & H., P. ornata J. &. 

 H., P. cornuta 11. sp., P. cequalis n. sp., P. diversa n. sp. P. seminulum 

 Jones, P.furcata n.sp. 



and Kirkby (J. W.) Notes on the distribu- 

 tion of the Ostracoda of the Carboniferous formation 

 of the British Isles. 



In Abstracts Proc. Geol. Soc. London, session 1885-86, No. 486, p. 8(i. 

 Not descriptive. 



On Carboniferous Ostracoda from the Gayton 



borings, Northamptonshire. 



In Geol. Mag., 11. s., decade 3, vol. 3, London, 1886, p. 248, pi. 7. 



Kirkbya variabilis n. sp., var. a, var. b and var. c, K. plicata J. & K. 

 Bythocypris sublunata J. & K. Macrocypris joncsiana Kirkby. Cytherella 

 extuberata J. & K., C ' . attenuala J. & K. 



