56 BURKILL AND MARSHALL : MARINE SHJhiLLS OF SCILLY. 



Odostomia minima Jeff. — Menavawr. One specimen. 



O. nivosa Mont. — Menavawr. This species is also recorded 



(as O. cylindricd) in the Tresco Abbey List, and now 



confirmed. 

 O. truncatula Jeff. — Menavawr. 

 O. lukisi Jeff. — Menavawr and Muncoy Neck. 

 O. albella Lov. — St. Mary's, under stones between tide marks. 

 O. rissoides Han. — St. Mary's, confirming Abbey List, . 

 O. diaphana Jeff. — Menavawr. 

 O. obliqua Aid. — Menavawr. 

 O. dolioliformis Jeff. — Muncoy Neck. 

 O. interstincta var. suturalis Phil. — Muncoy Neck. 

 O. scalaris Phil. — St. Mary's Sound and Menavawr. This 



confirms Smart and Cooke's record in their Supplement. 

 O. pusilla Phil. — Menavawr. 



O. scillse Scac. — Menavawr. One specimen only. 

 Adeorbis subcarinatus S. Wood. — St. Mary's Sound. Dead 



specimens. 

 Cerithium perversum var. pallescens Jeff. — -Menavawr. 



I recognised this pretty variety among some of Mr. Smart's 



shells after his list was published. 

 Cerithiopsis tubercularis var. nana Jeff. — Menavawr and 



St. Mary's Sound. 

 C. tubercularis var. albescens Marshall. — Shell of a pale 



straw colour. Dredged at Muncoy and Menavawr. Mr. 



Smart dredged some examples on the latter ground that 



were half white, gradually toning to light brown. 

 C. puichella Jeff. — Menavawr, Muncoy, and St. Mary's. This 



is another species recorded in the Abbey List, and now 



confirmed. 

 Buccinum undatum L. — St. Mary's. Smart and Cooke 



record " very old and worn shells only ; exceedingly rare." 



Five living examples were taken here. 

 Fusus gracilis var. convoluta Jeff. — St. Mary's Sound. The 



type is recorded in the Abbey List as F. islandLus. 



J.C, vi., Jan., 1889. 



