PLATE 25. 
1, a,b. Fretum Novare, Pir. 6 * 2-2mm._ p. 619. 
2,a. Otoconcha dimidiata, Pfr. Length of animal, 25 mm.; shell, 5 * 3-5 mm. 
p. 620. 
3, a, b. Phacussa Helmsi, Hutton. 9 x 5-7 mm. p. 624. 
4,a,b. Phacussa hypopolia, Pir. 65 * 3:3mm.  p. 626. 
5, a,b. Thalassohelix Laingi, Suter. 14 * 9mm. p. 630. 
6,.a, b. Thalassohelix zelandie, Gray. 95 & 5-5 mm. p. 631. 
7, a,b. Thalassohelix ziczac, Gould. 8 « 4mm. p. 632. 
8, a, b. Gerontia Cordeha, Hutton. 8 * 4:55 mm. p. 634. 
9, a, b. Gerontia pantherina, Hutton. 9-5 > 4mm. p. 634. 
_ a,b. Allodiseus Adriana, Hutton. 4 * 1-7 mm. p. 637 
11, a, b. Allodiscus chion, Sykes. 5 3mm. p. 638. 
12, a, b. Allodiseus Godeti, Suter. 4:5 « 25mm. p. 640. 
13, a, 6. Allodiscus Mossi, Murdoch. 5 * 2:3 mm. p. 642. 
14, a, b. Allodiseus planulatus, Hutton. 3:7 x 2mm. p. 643. 
15, a, b. Allodiscus Tullia, Gray. 45 x 2mm. p. 646. 
16, a, b. Allodiseus Urquhart:, Suter. 1-5 x 1mm. p. 647. 
17, a, b. Allodiscus venulatus, Pfr. 6 x 3mm. p. 647. 
a,b. Allodiscus wairoaensis, Suter. 3:2 x 2mm, p. 648. 
19, a, b. Thermia expeditionis, Suter. 2-9 x 2mm. p. 650. 
. 20, a, b. Thermia virescens, Suter. 9 X 55mm. p. 651. 
