628 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxi. 



8. ETRUMEUS MICROPUS ( Schlegel) . 

 URUMEIWASHI, 



Clupea micropus Schlegel, Fauna Japonica, Poiss., 1846, p. 236, pi. cvii, fig. 2 

 ( Nagasaki ) . 



Etrumeus micropus Bleekeb, Verb. Bat. Gen., XXY, 1853, p. 48 (Nagasaki). — 

 GiJNTHER, Cat, VII, 1868, p. 467 (Japan).— Nami ye, Class. Cat., 1881, 

 p. 109 (Tokyo).— IsHiKAWA, Prel. Cat., 1897, p. 8 (Tokyo).— Jorj)an and 

 EvERMANN, Bull. U. S. Fish Com., XXIII for 1903, p. 58 (Honolulu). 



Perkinsia othonops Rosa Smith Eigenmann, Amer. Nat., 1891, p. 153 (San Diego, 

 California) . 



Habitat. — Sand}^ shores of southern Japan; also ranging to Hawaii, 

 and once recorded from California. 



Head 4 to 4| in length; depth (> to 6i; D. 20; A. 11; P. 16 or 17; 

 V. 9; scales about 56; eye 3 in head; snout 3.5; mandibles 2; inter- 

 orbital space -1 to 4i; maxillary 2f to 3; P. 1.5 in head; V. 2f ; caudal 

 peduncle compressed, its least depth 3^ in head. 



Body elongate, subcylindrical, slightly compressed; head elongate, 

 much compressed anteriorly, pointed, flattened above; snout long, 

 pointed, compressed; eyes large, covered by thick, adipose eyelids; 

 mouth small, terminal, jaws subequal, the mandible projecting very 

 slightly; teeth in jaws minute; in tine villiform bands on vomer, 

 palatines, and tongue. Maxillary slipping under the preorbital ridge 

 and extending posteriorly a little be3^ond the anterior edge of eye; 

 preopercle with radiated branching mucous caudals present; gill open- 

 ings large, membranes free from isthmus; gill rakers long, slender; 

 gill filaments longer, fine, the pseudobranchiee also long; peritoneum 

 pale or silvery; scales rather large, cycloid, mostly falling off in alco- 

 holic specimens; both pectorals and ventrals with long pointed scaly 

 flaps but little shorter than the fins. Origin of dorsal nearer tip of 

 snout than base of caudal; anal fin very small, its origin midway 

 between origin of ventrals and base of caudal; caudal small, deeply 

 emarginate; pectorals rather short, about 2i in space to ventrals; 

 ventrals small, their origin l)ehind tip of depressed dorsal, 2 in space 

 to origin of anal. 



Color dusky blue above, often with rows of darker blotches, the 

 lower parts silvery white; tips of snout and mandible dusky; fins yel- 

 lowish to pale or whitish; basal portions of pectoral and caudal more 

 or less dusky. 



This species is common throughout southern Japan in sandy bays. 

 Many specimens were taken at Nagasaki, Wakanoura, ]N[isaki, 

 Aomora, and Tokyo. 



{jAiKpog^ small; Trovg^ foot.) 



