AN UNDESCRIBED ACRANIATE. 243 



(4). 4372. 244. Branchiostoma lanceolatum. 21 very large speci- 

 mens from San Diego, California. L. C. Bragg. 



(5). 39646. 242. Branchiostoma lanceolatum. 2 spec, (one macer- 

 ated) from San Diego, California. H. Hembhill. 



(6). 8407. 244. Branchiostoma Calif or niensis. One specimen 

 from San Diego, California. Cooper. 



(7). 23020. 242. Branchiostoma lanceolatum. 3 spec, from 

 Stavanger, Norway. R. Collett. 



(8). 22083. 242. Branchiostoma lanceolatum. 2 spec, from 

 Stavanger, Norway. R. Collett. 



(9). 34003. 244. Amphioxus . Five soft speci- 



mens from Ceylon. Dr. Francis Day. 



REFERENCES. 



(1). Pallas: Spicil Zool. X, p. 19, PL I, Fig 11. 

 (2). Costa : Cenni Zoologici, Napoli, 1834, p. 49. 

 (3). Costa : Fauna del Regno di Napoli, Fas. 21, 1838. Storia 

 e Natomia del Branchiostoma lubrico. Frammenti Ana- 

 tomia Comparata, Fas. I, Napoli, 1843. 

 (4). Yarrell: British Fishes, 1836, p. 462. 

 (5). Gray : Proc. Zool. Soc., 1847, pp. 35-36. 

 (6). Gray : Cat. Brit. Mus., Fish, Vol. 7, p. 150. 

 (7). Sundewall : Ofervs. Vet. Akad. Forh., Vol. IX, 1852, pp. 



147_148. 

 (8). Sundevall : Ofervs. Vet. Akad. Forh., Vol. X, 1853, pp. 



12-13. 

 (9). Guenther : Catalogue of Fishes, Brit. Museum, 1870, Vol. 



VIII, p. 513. 

 (10). Guenther : Report Zool. Collec. H. M. S. Alert, Brit. Mus., 



1884, pp. 

 (11). Peters : Monatsberichte K. Preus. Akad. Wiss., Berlin, 



1876, pp. 322-327, PL I, 5 Figs. 



(12). Cooper : Nat. Wealth of California. Cronise, 1868, p. 498. 

 (13). Gill : Notes on Leptocardians. Proc. Nat. Mus., V, 1882. 

 (14). Jordan and Gilbert : Fish of Pac. Coast, U. S. Proc. Nat. 

 Mus., Vol. IV, 1881, p. 29. 



