NOTES ON JAPANESE MTXINOIDS. 23 



of external openings of the branchial sacs. The latter .six in 

 number, their outer ducts confluent. Distinct transverse muscles 

 present, constricting branchial region. (Cf. Text-fig. 4, D). 

 (Species I) Australis Jenyns, 1842. V. of Beagle. Fishes, p, 159. 



(Variety 1) tridentiger Garman, 1899. (op. cit. as species). 



( „ 2) acutifrons „ „ ( „ „ „ „ ). 



( „ 2) Glutinosa Linné, 1754. Mus. Ad. Fridr. I, p. 91. 

 ( „ 3) Limosa Girard, 1858. Pr. Phila. Acad, p. 22'à. 



( „ 5) Garmani Jordan and Snyder, 1901. Pro. U. S. Nat 



Mus. p. 731. 

 ( „ 6) Circifrons Garman, 1899. (op. cit.) 



