322 G. C. J. VosmAer, Genera Axinella, Phakellia, Acanthella a. o. 
Fig. 3. Acanthella. Part of the skeleton; «a sponge-substance devoid - 
of spieula; o outline of the sponge. 10:1. 
Fig. 4. _Acanthella. Part of the skeleton. Natural size. 
Fig. 5. Awinella. Longitudinal section through a part of the skeleton. 
In the centre is seen the axis, represented by a funis (#), which is 
is formed by a network of funiculi; e.a extra-axial part. 10:1. 
Fig. 6. Arinella. Portion of the axis (funis) of a flat specimen, 
seen from the flat side. The funis is composed of numerous funiculi, 
which form a network. 10:1. 
Fig. 7. Phakellia. Portion of the axis, seen from the flat side. It 
is composed of a network of funes (F). 10:1. 
Fig. 8. Phakellia. Longitudinal section, at right angles to the flat 
surfaces, through a part of the skeleton. The centre is formed by the 
axis, of which only one or two funes (F) are cut; e.a extra-axial 
part. 10:1. 
