492 
APPENDIX. 
[B. 
98. CyCLOSTOMA Australe, (n. s.) 
Testa orbiculata subtrochiformis profunde umbilicata aU 
bida fasciis binis fuscis cincta, spird brevi acuta, an^ 
fractibus 5 convewis concentrice sulcatis. 
Icon. — — - " 
Shell orbicular, nearly trochi-form, white with two pale-brown 
bands on each whorl ; the one near the suture narrow, and the 
other, placed on the middle of the whorl, broad ; whorls five ; con- 
vex rounded, with numerous close concentric furrows ; axis umbi- 
licated ; umbilicus rather narrow, deep ; aperture rather more than 
one half the length of the shell ; peristome (not formed ? ) simple. 
99. Chiton rugosus, (n. s.) 
Testa octovalvis glabra, valvis tuberculatis, Ugamento glabro 
Imvi, 
Icon. — - — — 
Shell with eight valves, bald ; valves covered with numerous small 
tubercles both on the central and lateral area ; marginal ligament 
smooth, bald. 
100. Patella tramoserica, Chemn. xi. 179. 
Icon. Chemn. xi. t. 197. f. 1912, 1913. 
101. Patella radiata, Chemn. xi. 100. 
Icon. Chemn. xi. t. 197. f. 1916, 1917. 
When young, the form of this shell is more conical than in the figure 
above quoted, and the outer surface is finely radiately striated. 
102. Patella neglecta, (n.) 
Patella melanogramma, Sowerby, not Gmel. 
Icon. Sow. Gen. f. 
When this shell is young, or when the older specimens have lived in 
deep water, where their surface has not been broken by the shingle, 
or corroded, or covered with coralloid incrustations, they are re- 
gularly radiately ribbed ; the ribs are covered with narrow inter- 
mediate grooves, marked with a black spot on the internal edge 
