CÜlirAKATIVK STIDY OF SCOMIJUüIl) ILSlllX 497 



tbe dorsfJs, two greeuisli p-ey louf^itufliiml VmumIs above tln) laUn-al liiio, and 

 two golden longitudiniil bnnds fr )m the base of the pectonil. Clieeks mid belly 

 silvery. Two dorsals iiud dorsal fiulets f^reyisli, and the aiial aaid anal finlets 

 colourless or tinned with yellow. I'eritoiiium bLick. TnttMS]iiuou3 bones of the 

 second dorsal and anal m^o flattoncxl, an^l laterally coiiipnssed. 



Fig. W. Skuleton of I iafitrelUiier chryxowniis. 3/5. 



Membrane connecting the branchiostogals is very wide. The last branchio- 

 stegal is bent hke the letter L. Pyloric cooca are more or Ics^ imited ta numer- 

 ous groups at their root, and each group to the duodenum with a common ori- 

 fice. In the caudal vertebrae thin paired ridges are found on the ventral side. 



It is said that shoals of tliis fish are observed on a calm dixy seething near 

 the surface of sliallow water, busily feeding on minute pLiuktouic organisms. 

 The fish are veiy alert and not easy to catch. In the Ryukyu Ishiuds small 

 indi\'iduals are caught in summer, and lai'ge ones in winter. 



Day found that the ova ri^ien in !March. It grows to a length of ca 35 cm. 



Widely chstribute<l in ü'opical acd subti'opical regions of the IndoPacific. 

 Specimens from southern China, Formosa and Truck Is. were examined. 



Family CYBIID.\E Kishinouye. 

 Cybiidae, Kishinouye, Siii. Gak Ho, I, 6, 1715. 



Body genenüly elongated and compress3d, but plump in the genera Sarda 

 and Gi/mnosarda. Caudiü peduncle pretty thick and nearly rounded in cross- 

 section, and provided with a hirge keel on each side. The keel is covered with 



