198 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



PLATE LXI. 



FIG. 75. Pleurotomella Bruneri Verrill & Smith. 



76. Pleurotontella Catherines Verrill & Smith. 



76 a. The samr, enlarged tip, showing sculpture of nucleus. 



77. Mangilia comatotropis Dall. 



78. Bela Tanneri Verrill & Smith. 



79. Marginella (apicina var. ?) borealis Verrill. 



80. Buccinum abyssorum Verrill, and operculum. 



81. 8ipho Sarsii Jeffreys. 



82. Sipho (?) glyptus Verrill. 



86. Jiinsoa Jan-Mayeni Friele. 



90. Scalu gronlandica Perry. 



91. Scala Dalliana Verrill & Smith. 



92. Scala I'ourialesii Verril) & Smith. 



93. Scala (Opalia) Leeana Verrill. 



94. Scala Andretusii Verrill; 5.5, Newport, R. Id., 100 fms. 

 For remarks on these figures see note under preceding plate. 



PLATE LXII. 



FIG. 83. Eudolium Crosseanum Monterosato. 



83 a. The same, showing soft parts of male specimen reduced one- third from nat- 



ural size. 



84. Oocorys sulcata Fischer ; shell. 



84 a. The name; operculum. 

 84 b. The same: dentition. 



85. Torellia fimbriata Verrill & Smith ; Martha's Vineyard and northward. 



87. Fossarus elegans Verrill &. Smith. 



88. Seguenzia monocingulata Seguenza. 

 88 a. The same, operculum, inside view. 



89. The same, var. eritima Verrill. 



For remarks on these figures see note under Plate LX. 



PLATK LXIII. 



FIG. 95. Solarium boreale Verrill, young shell. 



95 a. The same, still younger, showing immersed nucleus. 



96. Calliostoma Bairdii Verrill & Smith ; from above, showing animal crawling. 



97. Solaritlla Ottoi Philippi. 



98. Solariella lamellosa Verrill & Smith. 



99. Cyclostrema fulgidum Jeffreys. 



100. Addisonia paradoxa Dall, from below, showing animal in shell. 

 100 a. The same, profile of shell. 



101. Cocculina leptalea Verrill. 



102. Placophora atlantica Verrill & Smith, viewed from above. 

 104 a. The same, viewed from below. 



103. Amicula vestita Sowerby var. Emersonii Couthouy, viewed from below. 



This is a purely northern species. 



103 a. The same, posterior part of body from below, showing the fenestrae and 

 also the way in which the tail is temporarily channeled to allo x of the 

 expulsion of faecal pellets. 



104. Turbomlla Rathbuni Verrill & Smith. 



For remarks in regard to these figures see note under Plate LX. 



