AKT. I. — JORDAN, TANAKA AND SNYDEK : 



Class LEPTOCARDII. 



Order AMPHIOXI. 



Family I$KA\X'HI0ST0.12I Hi:. 



Genus Branchiosloma Costa. 



JirancJaostoma Costa, Cenni Zoologici Napol., 1S34, p. 49. 

 Aviphioxus Yarrell, British Fishes, 1S36, p. 468 {Liina.x laiiccolatiis Pallas). 

 Type BrancJdostonia liibricuni Costa= Lhiia.v lanccolatiis Pallas. 



1. Branchiostoma belch eri (jiay. 



Nainekuji-uwo (Misaki, Saganii). 



AiiipJuoxîLs belcJicri Gray, Proc. Zool. Soc. London, 1847, P- 35- l^ass Straits. 

 l^ranchiostonia bclcJicri japonicus Andrews, Zool. Anzeiger, XVIII, 1895, p. 



57. Shikajima near Fukuoka. 

 BrancJiiostoma iiakagazvœ Jordan & Snyder, Proc. U. S. Nat. AIus., XXIII, 



1 901, p. 726. Misaki, Sagami. 

 Distrib. — Sandy coasts of Japan, from Misaki, Sagami to Kiusiu ; Bass Straits. 



Class AIARSI FOBRAXCHIL 



Order HYPEROTRETI. 



Faiaily EPTATKETIIX«. 



Genus Epiatrelus Dumerii. 



Eptatrctus (Dumcril) Cloquet, Diet, Sei. Nat, XV, 1819, P- "34- 



Type Eptatrctus douibeii TiwrnexW^^ Castrobraiu/nts doinbcy Lacépcde. 



2. Eptatretus burgeri ((Girard). (Fig. i). 



Nutaunagi (Öimura, Musashi). 



HcptatrcDia cirrhatuin Temminck & Schlegel, P'auna Japonica, Poiss., 1850, 

 p. 310, pi. CXLIII. Naga.saki. (Not Pctrouiyzan cirrJuxtii$ Forster fronî 

 South Africa). 



