326 TURBONILLA. 



T. INDISTINCTA, Montagu. PI. 74, figs. 73, 74. 



Whorls 8, rounded, with deep suture, white, flexuously costate, 

 with fine spiral stria) in the interstices. Length, 4 mill. 



Europe, Canary Is. 



The synonyms are T. areolata, Rayneval ; T. Julide, de Folin ; 

 T. nanodea, Monts. ; T. curvicostata, S. Wood ; fiissoa -BaUise, 

 Thompson ; T. speciosa, Bean. 



Section PYRGOLIDIUM, Monts., 1884. 

 T. ROSEA, Monts. 



Shell rosy ; whorls flattened with straight narrow ribs, becoming 

 evanescent at the periphery of the last whorl, interspaces much 

 wider, with two spiral series of nodules. Length, 6 mill. 



Mediterranean Sea. 

 It is T. intemodulosa of Monterosato, not Searles Wood. 



T. CALAMELT, Jousseaume (unfigured). Algiers. 



Closely allied to, and perhaps = T. rosea. 



Section PYRGOSTELIS, Monts., 1884. 

 T. RUFA, Phil. PI. 74, figs. 68-70 ; PI. 75, fig. 91. 



Moderately solid, opaque, glossy, with 20-30 longitudinal, 

 narrow and shallow ribs, evanescent at the periphery, the inter- 

 stices crossed and base encircled by rather broad impressed 

 lines ; pale fawn-colored or tawn} r , frequently with a narrow 

 chestnut band above the periphery. Length, 8'75 mill. 



Europe. 



T. crenata, Lowe ; T. scalarioides, Kisso ; T. simillimus, 

 Mont. Dr. Jeffreys (Zool. Proc., 356, 1884) thought T. inter- 

 rupta, Totten, identical and that it ought to be adopted, being 

 a prior name ; he also thought T. 7?aM6imt, Yerrill and Smith, 

 the same. 

 Yar. FULVOCINCTA, Thompson. Figs. 69-70. 



Shell thinner, more slender, base narrower, whorls not so 

 much compressed, band always present and more conspicuous. 

 Var. DENSECOSTATA, Phil. Fig. 91. 



Whorls 9, very slightly convex, with numerous smooth, 

 straight longitudinal ribs, wider than the interstices. 



Mediterranean Sea. 



Yar. exigua, Monts., is a synonym. 



