1849.] Catalogue of Malayan Fishes, 1369 



extends, are hexagonal, the greatest vertical diameter is \ of the length 

 of the head ; the rest of the tail is quadrangular, tapering, but not 

 terminating in a point. The anus is situated as much as the length of 

 the snout in front of the middle of the total length. The membranous 

 sac is attached to the abdominal surface of the 15 anterior caudal 

 rings ; it forms a segment of a circle, its greatest depth not exceeding 

 the diameter of the eye. The dorsal commences a little behind the 

 anus ; the length of the rays is \ t the extent of the base f of the length 

 of the head. The length of the pectorals equals that of the dorsal. 

 The posterior surface of the last caudal ring carries 6 very minute 

 branched rays, which are placed horizontally, at a distance from each 

 other : one at each of the four angles, and one from the middle of the 

 lateral margin. This distribution gives the caudal the appearance of 

 a small brush, A solitary individual was observed at Pinang in July 

 1845. This species is readily distinguished from S. spicifer, Riippell* 

 and from S. gooraphoof by the comparatively longer head. 



B. Without caudal. 



Syngnathus biaculeatus, Bloch. 



Syngnathus biaculeatus, Bloch. Tab. 121, Fig. 1, 2. 



Syngnathus biaculeatus, Bloch-Schneider, 515, Tab. 1. 



Syngnathus biaculeatus, Shaw, V. 453. 



Syngnathus biaculeatus, Richardson, Report, 1845, 202. 



Head and body pale seagreen ; abdomen pale ochre or buff; in the 

 middle of the side of th# rings of the body a large vertically oval spot, 

 lighter than the general colour, edged with very pale vermilion ; in 

 some a few black dots, scattered along the sides of the abdomen ; fins 

 hyaline. Iris pale silvery green, dotted with brown. 



D 43 ta 45, A3, 4 or 5, P 21 or 22, Br. IV? Rings of the body 



18, of the tail about 55. 



Total length : 9| inch. 



Habit. — Sea of Pinang, Singapore, Malayan Peninsula. 

 China Seas, Philippines. 



The length of the head is contained a little less than 5^ times in the 



* Neue Wirbelth : Fische, 143. Tab. 33, Fig. 4. 



f Russell, 21, No. XXX. Gooraphoo Subbookoo, (" S. typhle, Lin.") 



8 n 2 



