132 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



vol,. XXXII. 



OTOHIME HEMISTICTA (Schlegel). 



The foUowinio' are the characters of the type species of Otohlme. 

 Depth at occiput, 4i in length to base of caudal; head (without 

 opercular or rostral spines) 2f . Eye, 3 in head; maxillary, 2. Dorsal, 

 viii-10; anal i, 11; scales, 105. 



Anterior profile steep and straight from eyes to tip of snout. Supra- 

 orbital rim produced; interorbital broad and concave; its width equal 

 to diameter of orbit. 



Maxillary reaching to below middle of eye; mandible slightly curved 

 up at its tip and shutting entirely within premaxillary teeth; teeth in 

 ver}^ narrow bands, those on lower jaw in a narrower band than on 

 upper; vomer of the specimen at hand without teeth, but marks on the 

 bone show their probable former presence. A single rostral spine on 



OTOHIME HEMISTICTA. 



each side, equal in length to vertical diameter of pupil. Edge of 

 preorbital finely serrate, the serras extending along outer edge of ros- 

 tral spine. A sharp spine is directed backward from temporal region, 

 and a very long one from opercle continued as a ridge anteriorly 

 nearl}' across opercle; length of spine from posterior edge of opercle 

 equal in length to diameter of eye; a sharp spine on posterior edge 

 of preopercle near its angle; a triangular spine on posterior edge of 

 supraclavicle. The gill arches of our specimen have been remoA^ed. 



Fine irregular scales cover the trunk; a crescentic naked area 

 between dorsal and head; another naked area behind pectoral and 

 ventral; round imbedded scales sparsely cover the breast; no scales on 

 fins. A crescent-shaped rugose plate in front of base of first dorsal 

 spine, and three round or elliptical ones behind it on each side of 

 spinous dorsal, the last between the fourth and fifth spines. 



Dorsal spines stitf and sharp; the fourth the longest, equal in length 

 to the maxillar}'; when fin is depressed the fourth and fifth spines 



