PLATE 3. 
Figs, 10-13. Leucicorus lusciosus Garman. 
d 
Fig. 11. A radiating dise in transmitted light. Photograph; magnified 1: 41. 
Fig. 10. The fish seen from the side. Drawing: natural size. 
Do tae] 
b, blood 
vessel; n, main dise nerve; n/, smaller accessory dise nerves. 
Fig. 12. A radiating disc in transmitted light. Photograph, magnified 1:21. b, 
vessels; n, main disc nerve; n’, smaller accessory disc nerves. 
Fig. 13. Transverse section of a radiating disc. Stained: haematoxylin. Drawing; mag- 
nified 1:42. b, blood vessels; c, paratangentially arranged connective-tissue 
cells; cv, cavities in the basal part of the radiating disc; n/, small accessory 
disc nerve; p, pigment cells. 
blood 
mmaetreert itt || 
