2 4 



rals and ventrals moderate, each with an axillary scale. Caudal 

 forked. Gillmembranes separate, free from isthmus. Branchi- 

 ostegals 5 6. Gillrakers very numerous slender, short. Pseudo- 

 branchiae large. 



Mud-eating fishes of the coasts and estuaries. 



I. Dorosoma Rafinesque. 



(Ichthyol. Oh. 1820, p. 34). 



(Chatoessus C. V.). 

 For characters of the single genus see those of the family. 



Synopsis of the species. 



A, Linea lat. 46 50; Linea tr. 18 19. Last dorsal ray 



produced, filiform, about 140 gillrakers D. nasus p. 24. 



B. Linea lat. 40; Linea tr. 13 14. No dorsal ray pi'oduced, 



about 80 gillrakers D. chacunda p. 25. 



Remark. J. Karoli (Termes. fiizetek V, 1882, p. 37) records 

 D. chanpole (H. B.) from Singapore and Java (Palabuan), but 

 this species is only known from Bengal. 



Jordan and Scale (Bull. Bur. Fish. XXV. 1906, p. 187) cite 

 as a locality for Dorosoma breviceps (Peters), from New-Hanover, 

 also Ambon, but we cannot find any authority for this statement. 



i. Dorosoma nasus (BL). 



Clupea nasus Bloch, Ausl. Fische IX. 1795, p. 116. 



Chatoessus nasus Cuvier & Valenciennes, Hist. Nat. Poissons XXI. 1848, p. 104. 



Chatoessus nasus Bleeker, Verb. Bat. Gen. XXIV. 1852, Haring. p. 50. 



Chatoessus selangkat Kner, Novara Exp. Fiscbe, 1865 1867, p. 337. (nee Blkr). 



Chatoessus nasus Giinther, Cat. Brit. Mus. VII. 1868, p. 407. 



Dorosoma nasus Bleeker, All. Ichth. VI. 1866 1872, p. 142. 



Chatoessus nasus Day, Fishes of India 4. 1878 1888, p. 634. 



Konosirus thrissa Jordan & Scale, Proc. Davenp. Ac. Sci. X. 1905, p. 2. (not 



Clupea thrissa L.) 

 Konosirus nasus Jordan & Herre, Proc. U. S. Nat. Mus. XXXI. 1906, p. 625. 



B. 56; D. 15 17; A. 2022; P. 15; V. 8; L.I. 46 50; 

 L. tr. 1819. 



Oblong, compressed. Height 2 2'/ 2 > head 3 1 / 3 4, eye 3 3V 2 , 

 anterior and posterior border of pupil covered by the palpe- 

 bral membrane. Snout prominent, very obtuse, much shorter 

 than eye. Maxillary reaching below the anterior part of the 

 eye. Dorsal nearer to base of caudal than to snout, its origin 



