12 MITKA. 



— Shell oblong, painted with red-brown flames, interrupted 

 in the middle, sculptured with distinct, rather distant, 

 rounded ridges, and intermediate striasj whorls angular 

 above, compressed at the sides. 



154. rotundilirata (f. 263, 278), Reeve. — Differing from 

 M. procissa in shortness of whorls and roundness of ridges. 



155. Maletti (f. 569), Petit. — With few, deep, angular, 

 cross-sculptured ridges. 



156. turgida (f. 458), Reeve. — Deeply ridged. 



157. Caledonica (f. 459), Petit. — Rather grooved than 

 ridged. 



158. Candida (f. 288, 562), Bee it. —White, with rounded 

 ridges. 



159. crenata (f. 563), Swainson. 



160. ericea (f. 487), Pease. 



161. sehiferruginea (f. 504), Jon as, (Reeve 222.) 



162. Lienardi (f. 239), Sowerby. — Much narrower than 

 31. semiferruginea. 



163. cucdmerina (f. 275, 276, 277), Lamarrk. 



164. rubritincta (f. 295), Reeve. — A more acuminated 

 shell than M. cucumerina. 



165. porcata (517), Humphrey. 



166. tabanula (f. 280, 281), Lamarck. 



167. minor (f. 662), Sowerby. — Testa parva, fusca, fusi- 

 formi, rugis numerosis rotundalis spiralibus cincta; spira 

 aperturam longitudine asquanti ; plicis columellaribus parvis. 

 — Shell small, brown, fusiform, girt with numerous rounded 

 spiral ridges ; spire equal to aperture in length, columellar 

 plaits few. 



168. Hanleyi (f. 661), Sowerby. — Testa paiwa, alba, elon- 

 gata, subcylmdrica, rugis spiralibus paucis cincta ; apertura 

 spiram longitudine superanti ; spira obtusa. — Shell small, 

 white, elongated, subcylindrical, girt with few spiral ridges ; 

 aperture rather larger than spire ; spire obtuse. 



