24 
NEW PEDICULATE FISHES 
no pseudobranchie ; pseudobrachium well developed, 
strongly geniculated, with three actinosts ; ventral fins 
present. 
b. Head more or less compressed ; anterior dorsal fin 
with three spines. 
c. Body robust and ovate; palatine teeth present ; 
gill-opening in or behind lower axil of pseudo- 
brachium ; five ventral rays ; stomach dilatable ; 
an air-bladder (Antennariine). 
d. Gill-openings pore-like ; anal fin opposite to soft 
dorsal; pseudobrachium not produced as a 
mobile limb ; pectoral rays at least nine. 
e. Two anterior spines of first dorsal united by 
membrane, the third isolated; ventral fins 
small : ah SaccaRIUs. 
ee. All three spines of first dorsal isolated. 
f. Skin granular and spinulose ; ventral fins small 
ANTENNARIUS. 
ff. Skin smooth, without spinuliferous granules. 
g. Soft dorsal and anal fins short ; pectoral 
undivided. 
h. Rostral spine long, inserted on tip of 
snout ; occipital spine free; pseudo- 
brachium immobile ; ventral fins small 
RHYCHERUS. 
hh. Rostral spine short, inserted on base 
of frontal spine ; occipital spine mem- 
braniferous ; pseudobrachium mobile ; 
ventral fins large PTEROPHRYNOIDES. 
gg. Soft dorsal and anal fins long; pecto- 
rals divided ; ventrals small 
TETRABRACHIUM. 
dd. Gill-openings enlarged and tubular; anal fin 
behind soft dorsal ; pseudobrachium produced 
as a free mobile limb; ventral fins moderate 
TATHICARPUS. 
cc. Body slender and elliptical; no palatine teeth; . 
gill-opening above and behind upper axil of 
