BY E. F. HALLMANN. 551 



Plate xxxi. 



AUantophora rictoriana, sp.nov. 



Fij,'. 1. — Skeleton (photographed by transmitted light) as it appears in a 



thiek vei-tieal slifc of an entire massive specimen; (nat. size). 

 Fig/2. — Skeleton of a moderately thick vertical slice (jf the type-specimen: 



(nat. size). 

 Fig. 3. — Skeleton (photographed l\y transmitted light) of portion of a 



digitate specimen, extending from the base upwards into two digiti- 



form processes; ( x 1-^). 

 Fig. 4. — Digitate specimen; (nat. size). 



Plate xxxii. 



Allantophorn ricforiaiia, sp.nov. 



Fig. 1. — Petition of a longitudinal mesial section of tlie skeleton of a digiti- 



form process, showing the axial region, the radiating main filjres, 



and the connecting fibres; ( x 9). 

 Fig. 2. — Portion of a transverse section of the skeleton of a digitation, 



showing the paucity of the connecting fibres in the transverse plane; 



(x9) ' 

 Figs. 3, 4, 5. — Portions of the skeleton (of the two massive specimens), 



showing the pattern of the reticulatiiai formed by the connecting 



fibres. 



Plate xxxiii., figs. l-o. 

 Figs. 1, 2. — Sii/DKLcine/la aii.stra/laiia Dendj'; ( x ^\). 

 Fig.3. — S. amtmliana Dendy, (?var. ); ( x^%). 

 Fig. 4. — »S\ rimindlis, s]i.nov. ; ( x ^"v). 



Fig.,'). — Si<ima.vin flah(fll(ila Carter; ( x /■„). [The (tscula-like pits on tlie 

 surface are due to an epizoic Zooantharian.] 



Plate xxxiv. 

 l^'ig. 1. — Siijina.viiiclln uiislrdliatia l^endy; h^ngitudinal mesial section of 



the skeleton of portion of a branch; ( x 18). 

 Fig. 2. — S. dendroide'i Whitelegge ; longitudinal mesial section of the 



skeleton of portion of a branch; ( x 13). 



Plate XXXV. 



SM/ma..vine//(( rim iiia/is, sp. nov. 

 Fig. 1. — Longitudinal mesial section of the skeleton of tlic terminal portion 



of a branch; ( x 14). 

 Fig.2. — Longitudinal mesial section of a branch; ( x 14). 



Plate XXX vi. 

 Fior. 1. — Sii/via-vinel/a rii)i!iialij^, sp.nov.: longitudinal median section of the 

 skeleton of the stalk; ( x 14). 



