TKICHIURID.E. 55 



taken. Unfortunately, during his absence the specimen was destroyed. The description 

 is from notes taken immediately after the fish was captured. 



There exists in the Museum of the Royal College of Surgeons in London a rostrum 

 and portion of a skull of a Histiophorus, marked 251a, which most probably belongs to 

 the same species. We subjoin a figure and a statement of the dimensions of this skull. 

 It was obtained by purchase, but nothing further is known of its history. 



176. 



ft. in. 

 Distance from posterior margin of operculum to extremity 



of rostrum 4 2 



Distance between extremity of maxillary and extremity of 



rostrum 3 2 



Distance from anterior edge of orbit to extremity of rostrum 2 8 



Length of maxillary 11 



Length of produced part of upper jaw 15 



Length of mandible 1 10 



Depth of prseoperculum 8f 



Family TRICHIURID^. 



TRICHIURUS, L. 



tl Xs ~] 

 -T- j 



Clupea haumela, Forsk. p. 72. 

 Russell, pi. 41. 



Trichiurus haumela, Bl. Schn. p. 518 ; Cuv. if Vol. viii. p. 249 ; Rupp. N. W. Fische, p. 41 ; Cantor, 

 Mai. Fish. p. 113 ; Giinth. Fish. ii. p. 348. 



Bagamoia, east coast of Africa. Indian Ocean and Archipelago. 



