PLATE I. 
Fig. 1 — Calliostoma allporti Tenison-Woods (x 3'i) 
Fig. 2 — „ columnarium Hedley & May (x 4-|) 
Fig. 3 — „ hedleyi Pritchard & Gatliff (x 2b) 
Fig. 4 — „ legrandi Tenison-Woods (x 2J) 
Fig. 5 — „ retiarium Hedley & May (x 5-2/3 ) 
Fig. 6 — „ spinulosum Tate (x 7 ) 
Fig. 7 — „ meyeri Philippi (x 1 ) 
Fig. 8 — „ rubiginosum Valenciennes (x 1-J) 
Fig. 9 — „ ciliare Menke (x H) 
Fig. 10 — „ incertum Reeve (x 2jr) 
Fig. 11 — A stele subcarinatum Swainson (x 1-J) 
Fig. 12 — „ scitulum Adams ( 3 ) 
Fig. 13 — „ multigranum Dunker (x 3 ) 
i 
