PLATE VI. 



PllgC. 



Figs. 1, 111, 1''. Pamcyatliiis- tenuicabix,nc\y i^[Mc\e!'. Three views of the s^auie tipeciineii. Fig. 1, 



view of sid(vX 2; fig. ]«, ealice, X 4; fig. 16, costte, X 4 69 



2,2(1. Ptirucyalhus iiiaiiiciisi.':, new S]iei.-\e>^. Two views of the same specimen, l''!,!;. 2, view 



of side, X 2; (ig. 2a, calice, X 4.V (greater diameter, 8 mm. ) 70 



3, 3'(, 31). P'lrac.i/aWiH.s- ino/otowi.s, new spo'cies. Three views of the same s^peciiiieii. Fig. 3, 



view of side, X 2; fig. 3((, <'aUfe, X about 4.5 (diameter,6.5 mm ); tig. 3/j, co.'^ta', 

 . enlarged 4 time.s t 71 



4, 4fr. DHlociiatlmg andamanictij.- .Miock. Two views of the same speciaien, both X 2. 



Fig. 4, view of base; tig. 4'/, of ealiee 71 



5, 5n. Troclioqiatliiis oaliensiii, new specie.*. Two views of the same specimen, lioth X 



abont 4. Fig. 5, view of liase; fig. 5f<, of calice. Greater transverse diameter, () mr.i. 72 



6, 6a. ?V(Wiof//'(///!(.s- (K(/i(')i.v/s, new species. Two views of another specimen, both enlarged 



slightly more than 4 times. Fig. 5, view uf base; fig. tki, of calice. Greater trans- 

 veree diameter, 7 mm 72 



234 



