5H 



The Blennies : Blenniidas 



very numerous fin-rays. Ptilichthys goodei has 90 dorsal spines 

 and 145 soft rays. Another group of very slender naked blen- 

 nies is the small family of Xiphasiida from the South Pacific. 



FIG. 461. Bryostemma otohime Jordan & Snyder. Hakodate, Japan. 

 Family Blenniidce. 



The jaws have excessively long canines ; there are no ventral 

 fins. The dorsal fin is very high and the caudal ends in a long 

 thread. 



FIG. 462. Quillnsh, Ptilichthys goodei Bean. Unalaska. 



The Blochiidae. Of doubtful relationship is the extinct 

 family of Blochiidcz. In this group the body is elongate, 

 covered with keeled plates imbricated like shingles. The 



FIG. 463. Blochius longirostris Volta, restored. 

 Upper Eocene of Monte Bolca. (After 

 Woodward.) 



dorsal is composed of many slender spines, and the vertebrae 

 much elongate. In Blochius longirostris (Monte Bolca Eocene) 



