Table XXX. Aeagonite Content of Halimeda, by Age and Species" 



Species 



Description of material 



incrassata Eight small young thalli; pale olive 



colour 

 incrassata (a) Apical* and subapical segments 

 ( = segments 1 and 2); dark 

 yellow-green 



(b) Segments 3-5 from apex; dark 

 yellow-green 



(c) Segments 6-10 from apex; 

 yellow-green 



(d) Basal segment; pale red-green, 

 average length x width x thickness 

 = Ix0-5x0-2cm 



(e) Entire thallus 

 Basal segment; light yellow-green, 



0-5 x 0-7 X 0-15 cm 



(a) Segments 1 and 2 ; light yellow-green 



(b) Segments 3-5; light yellow green 



(c) Segments 6-10; pale yellow 



(d) Entire thallus 

 Light yellow-green plant 

 Dark yellow-green plant 

 Light yellow-green plant 

 Light yellow-green plant 

 Light yellow-green plant 

 Plant recently fertile and segments 



white 

 Plant recently fertile and segments 



white 

 Plant recently fertile and segments 



white 

 Segments white and loose, would readily 



be removed from plant by 



currents; not basal 

 Segments white and fallen from plant 



(a) Segments 1 and 2; light 

 yellow-green 



(b) Third segment from apex; light 

 yellow-green 



(c) Fourth segment from apex; light 

 yellow-green 



(d) Basal segments; pale olive, 

 1-5 X 1-0 X 0-1 cm 



(e) Entire thallus; collected at 16 m 

 depth 



discoidea (a) Apical segments; light yellow-green 

 (b) Second segment; light yellow-green 



incrassata 

 incrassata 



incrassata 

 incrassata 

 incrassata 

 incrassata 

 incrassata 

 incrassata 



incrassata 



incrassata 



incrassata 



incrassata 

 discoidea 



