PLATE XXV. 



Salacia polygastrica, n. sp. (p. 331). 



Diam. 



Fig. 1. A complete corm. The large ovate pneumatophore exhibits the en- 

 closed pneumatocyst and the hypocystic villi. The long tubular 

 trunk bears a series of numerous ordinate polygastric cormidia, 

 separated by free naked internodes, . . . . x 4 



Fig. 2. Transverse section through the pneumatophore in the equatorial plane. 

 pi, Pneumatochone (infundibulum pneumaticum) ; py, pylorus in- 

 fundibuli ; pv, hypocystic villi ; pu, pneumatocodon (umbrella 

 pneumatica), . . . . . . . x 8 



Fig. 3. Apical view of the pneumatophore (from above), po, Central stigma, 

 (apical ostium) ; pm, radial muscles (dilatator stigmatis), round 

 which is seen the mitra ocellaris (corona of eight radial pigment- 

 lobes) ; pv, hypocystic villi, . . . . . x 8 



Fig. 4. A single (polygastric and monoclinic) cormidium, attached to the stem. 



s, Siphons ; so, suctorial disc ; t, tentacle ; g, gonodendron, . . x 8 



Fig. 5. A single siphon with its tentacle (t) attached to the trunk, g, 

 Gonostyle ; sb, basigaster ; sm, stomach ; sv, hepatic villi ; sr, 

 proboscis ; so, mouth, . . . . . x 20 



Fig. 6. A single (monostylic) gonodendron, attached to the stem (a) and 

 exhibiting the ramification of the gonostyle (gs). The majority 

 of the numerous branches and gonophores have been removed. 

 /, Gynophores ; h, androphores ; gq, gonopalpons, . . x 20 



Fig. 7. A single branch of the (monostylic) gonodendron. Characters as in 



fig. 6, . . . . . . . x 50 



