724 The Blennies: Blenniide 
very numerous fin-rays. Ptilichthys goodet has go dorsal spines 
and 145 soft rays. Another group of very slender naked blen- 
nies is the small family of Xiphastde from the South Pacific. 
MAB 
Family Blenniide. 
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. 
germ E TS: 
ELIA Tas 
Lt yyy 
Fic. 630.—Quillfish, Ptilichthys goodei Bean. Unalaska. 
The Blochiide.— Of doubtful relationship is the extinct 
family of Blochide. In this group the body is elongate, 
covered with keeled plates imbricated like shingles. The 
Fie. 631.—Blochius longirostris Volta, restored. 
Upper Eocene of Monte Bolca. (After 
Woodward.) 
dorsal is composed of many slender spines, and the vertebre 
much elongate. In Blochius longirostris (Monte Bolca Eocene) 
