MARINE MULLUSKS OF THE SOUTIi-EASThKN COAST. IbT 



PLATE XXXIII. 



Fig. 1. CaUiostoma coi-his Dall ; 5.0. 



2. Solarium peracutvm Dall ; 17.5. 



3. Oi'ulacta'on Meekii'DM; apex 3.0. 



4. Ovulactaion Meekii Dall ; 5.5. 



5. Solarium peracutum Dall ; 17.5. 



6. Cyclostrema turhinuvi Dall ; 3.25. 



7. Euchelus guttarosw Dall ; 5.00. 



8. Liotia Bairdii Dall ; 6.0. 



9. Leptothyra Linnei Dall ; 5.5. 



10. CaUiostoma (Entrochus) Sayanum Dall ; 40.0. 



11. CaUiostoma (Eutrochua) Sayanum Dall ; 37.0. 



PLATE XXXIV. 



These figures are from drawings by the late Dr. William Stimpson. 

 Fig. 1. Olivella vmtica Say. a-g, varieties of form and color, natural size; /i, oper- 

 culum, natural size ; i, I, operculum outside and inside, magnified ; m, iiui- 

 mal crawling; n, head, showing absence of eyes and tentacles; o, sectidii 

 of oral aperture magnified ; j;, penis; r, section of shell showing absorp- 

 tion of internal walls. 



2. Olivella mutica Say ; dentition. 



3. Purpura hcemastoma Linn6 var. floridana Conrad, c, animal from below, nat- 



ural size; d, head and verge from above. 



4. Purpura hwmastovia'Linu^xiiv. /oridana Conrad ; dentition. 



5. Scaphellajunonia Hvass. b, shell one-half uatural size; c, sculpture of early 



whorls ; d, nucleus ; e, section of shell. 



6. Volutomiira gronlandica Beck. Young shell and magnified nucleus. Cape 



Cod northward. 



7. Volutoinitra gronlandica Bec^. Rhachidian tooth; «, from above; J, in pro- 



file. 



8. Oliva literata JjmnSbTck. a, animal crawling, f; i, tentacula and eyes ; c, soft 



parts removed from the shell, showing (/) foot, (g) i)r()podium, (/t) respi- 

 ratory siphon, (i) vent, (/) posterior filament of mantle, (m) mantle raised 

 up, («) verge, (o) gill ; d, section of muzzle showing proboscis extruded ; e, 

 gill and sensory organ (osphradium). 

 8$. Oliva literata Lamarck. Dentition taken from a female specimen. 



PLATE XXXV. 



Fig. 1. Mitromorpha biplicata DaU; 7.0. 



2. Aurinia robusta Dall; 119.0. 



3. Columbella (Astyrib) profundi Dull; 8.0. 



4. Cancellaria < Trigonostoma) Agassizi Dall ; 13.5. 



5. Fusu8 eucosmius Dall ; 85.0. 



6. Benihobia 2ryoni DM; 13.0. 

 -7. Fusus halistreptus Dall; 80.0. 



8. Marginella cassis Dall ; 15.0. 



9. Colunihella {Astyris) diaphana Verrill; 9.0. 



10. Conomiirn Ulakeaiia var. hvviur Dall; 9.75. 



11. Liomesu.'i? Slimjjsoui Dall; 32.5. 



12. Eudolium It niU a DaU; •.Vi.O. 



12 a. Sipho (1 tychosalpinxf) globulus DaU ; 31.0. 



