Puate 8. 
Figs. 38-40. Chauliodus barbatus Garman. 
Fig. 38. The fish seen from the side. Drawing; natural size, a, ventroanal compound 
radiating organs; al, anterior lateral compound radiating organs; a0, anteor- 
bital compound radiating organs; Ba, simple radiating organs with pigment, 
sheath in the barbel; ml, medial lateral compound radiating organs; so, subor- 
bital compound radiating organ; ve, ventromedial compound radiating organs; 
vt, ventrothoracic compound radiating organs; X, simple radiating organs 
with pigment sheath on the gide of the head. 
Fig. 39. The fish seen from below. Drawing; natural size. 4, ventroanal compound 
radiating organs; al, anterior lateral compound radiating organs; Ba, sim- 
ple radiating organs with pigment sheath in the barbel; g, guttural compound 
radiating organs; ml, medial lateral compound radiating organs; u, groups of 
simple radiating organs without pigment sheath; ve, ventromedial compound 
radiating organs; yt, ventrothoracic compound radiating organs. 
Fig. 40. The lower jaw seen from below. Drawing ; magnified 1:2; Ba, simple radiating 
organs with pigment sheath in the barbel. 
Figs. 41, 42. ITdiacanthus antrostomus Gilbert. 
Fig. 41. The fish seen from the side. Drawing; natural size, 4, ventroanal radiating 
organs with pigment sheath ; al, anterior lateral radiating organs with pigment 
sheath; ml, medial lateral radiating organs with pigment sheath; pl, posterior 
lateral radiating organs with pigment sheath; so, suborbital radiating organ 
with pigment sheath; u, suborbital group of small radiating organs without, 
pigment sheath; ye, ventromedial ‘adiating organs with pigment sheath; vt 
ventrothoracic radiating organs with pigment sheath. 
Fig. 42. The fish seen from below, Drawing; natural size. 4, ventroanal radiating organs 
with pigment sheath; ¢, guttural radiating organs with pigment sheath; ve, 
ventromedial radiating organs with pigment sheath; vt, ventrothoracic radiating 
organs with pigment sheath. 
J 
? 
‘ 
i 
