PLATE XXII. 1 
Smittia. — Mucronella. — Lepralia. — Cribrilina. — Schizoporella. — Chorizopora. 
Figure 1 . — Smittia oratavensis, . 
„ 2 . — Mucronella canalifera, .... 
,, 3 . — Mucronella tricuspis, ..... 
3a, avicularium. 
„ 4 . — Lepralia hyalina , var. bougainvillei, . 
,, 5. — Mucronella simplicissima, .... 
„ 6. — Smittia stigmatophora, .... 
„ 7 . — Cribrilina philomela, var. adnata, 
„ 8 . — Schizoporella elegans, .... 
8a, operculum. 
„ 9. — Lepralia feegeensis, ..... 
9a, 9 b, orifice and avicularium ; more highly magnified. 
„ 10 . — Cribrilina latimarginata, .... 
,, 11 . — Mucronella ventricosa, var. multispinata, 
„ 12 . — Chorizopora honolulensis, .... 
,, 13 . — Smittia graciosa, ..... 
„ 14 . — Schizoporella marsupifera, .... 
14a, orifice, more highly magnified. 
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1 Vide note to PI. XX. For similar reasons the term Lepralia has been replaced in the above list. 
