AN UNDESCRIBED A CRANIATE. 



239 



AUSTEALASIA. North Australia: (1) B. cultellum and B. Belcheri. 

 East Australia: (1) B. cultellum. South Australia: (3) B. 

 bassanum. Fiji Islands : (4) B. lanceolatum f (Rohon (22) 

 quoting C. Hesse of Hamburg.) 



AMERICA. Pacific Coast: (1) B. elongatum, Peru; and (2) B. 

 Californiensej California. Atlantic Coast : (3) B. caribceum, 

 South America and Southern United States ; and (5) B. lance- 

 olatum ? mouth of Chesapeake Bay. West Indies : (3) B. 

 caribceum, Antilles ; and (4) A. lucayanum, Bahamas. Ber- 

 mudas : ? 



APPENDIX I. 



(Formulas marked * were determined more accurately than others.) 

 Branchiosloma lanceolatum. 



