700 TELEOSTEI CHAP. 
rays. Spinous dorsal shorter than the soft; anal without spines. 
Back and sides with bony, prickly plates. 
Hoplichthys, with a single species from the coasts of Japan 
and China. Bembras, with two species from the coasts of 
Japan, appears to be related to it, but the skeleton is still 
unknown; it differs in having the body covered with small 
scales and the gill-membranes free. 
Fam. 9. Agonidae.—- Head completely cuirassed, usually 
with spines; basis cranii simple; two nostrils on each side. 
Gill-membranes free or attached to isthmus; gills 35; pseudo- 
branchiae present. Vertebrae 35 to 50; ribs sessile. Post- 
temporal fused with the skull; scapula and coracoid in contact 
with each other, or separated by a cartilaginous space; pectoral 
rays inserted on the scapula and 3 or 4 plate-like pterygials. 
Ventral fins close together, with 1 spine and 2 soft rays. 
Spinous dorsal shorter than the soft, or absent; anal without 
spines. Body covered with bony plates. 
Small fishes, mostly from the coasts of the Northern Atlantic 
and Pacific, extending into the Arctic Ocean; one species from 
the coast of Chili. Sathyagonus occurs in the North Atlantic 
between 350 and 477 fathoms. 
About 40 species are known. Principal genera: es 
Agonopsis, Bathyagonus, Aspidophoroides. The “ Pogge,”- or 
Armed Bullhead (Agonus cataphractus), is the only British species 
of this family. 
Fam. 10. Triglidae. — Head completely cuirassed, with 
spines; basis cranii double; parietal bones meeting on the 
median line; two nostrils on each side. Guill-membranes free ; 
gills 4; pseudobranchiae present. Vertebrae 25 to 40, the 
anterior praecaudals with sessile ribs, the posterior with trans- 
verse processes. Post-temporal fused with the skull; scapula 
and coracoid separated by a cartilaginous space ; pectoral rays 
inserted on the scapula and on 4 large plate-like pterygials, of 
which two are in contact with the raeeenie 2 or 3 of the 
lower pectoral rays detached, forming feelers. Ventral fins 
widely separated, with 1 spine and 5 soft rays. Spinous 
dorsal shorter than the soft; anal without spines. Body covered 
with scales or bony plates. 
Marine fishes from all warm and temperate regions, some 
occurring in deep water. They are remarkable for the 
