264 REFERENCE TO PLATES. 



Plate 3. 



FIGURES. PAGE. 



14. Stronibus Isabella, Lam. 3Iale. a, anus; p, penis; x, thread-like 



posterior filament of mantle. Keferstein, t. 83, f. 4. 



15. Phasianella bulimoides, Lam. Keferstein, t. 82, f. 12 5 



16. Oliva maura. Lam. x, filiform appendages of the mantle; s, 



siphon. Keferstein, t. 83, f. 10 5 



17. Anatomy of Fusus australis, Qnoy and Gaimard. Female, r, 



kidney ; s, salivary glands; g, cerebral ganglion ; o, vagina; a, 

 anus; z, tongue; op, operculum; br, branchia;; 8, siphon; -pv, 

 crop 5 



18. Pyrula tuba. Lam. Male, ai/, aqueous pore; p, penis; r, kidney; 



S, respiratory siphon; P, foot; br, branchiae. Keferstein, t, 85, 



f . 3 5 



19. Pyrula tuba, Lam. Female. Proboscis withdrawn (see Fig. 18). 



(/, anus; «, vagina; y, mucous gland; v, stomach; i, intestine; 

 od, oviduct; /*, liver; ov, ovary; oe, alimentary canal; mc, colu- 

 mellar muscle. Keferstein, t. 85. f. 4 5 



20. Pyrula tuba, Lam. Male. Proboscis extruded (see f. 21). pr, 



proboscis; vd, vas deferens; ed' . sperm-groove; t, testicle; p, 

 penis. Keferstein, t. 85, f . 5 5 



21. Ibid. The proboscis withdrawn and body cavity exposed, o, 



mouth; S, respiratory siphon; s, salivary; oe, gullet, pr, probos- 

 cis. Keferstein, t. 85, f. 6 5 



22. Ibid. Stomach opened (see previous figures). Keferstein, t. 85, 



f . 8 5 



23. Anatomy of Murex ramosus, L. Quoy and Gaimard, Zool. Voy. 



Astrolabe., t. 36, f. 1 5 



24. Buccinum undatum, L. (For expl. see former figures). Kefer- 



stein, t. 86, f. 4 5 



25. Triton variegatum, Brug. Section of body, showing the aqueous 



canals and their openings in the foot, o', oral mass. Kefer- 

 stein, t. 86, f . 6 37 



26. Purpura lapillus, L. Respiratory siphon opened to show vg, 



vagina; a, anus; gp, purple gland; br, branchia;; r', opening of 

 the kidney. Keferstein, t. 87, f. 7 5 



Plate 4. 



27. Dolium galea, L. Kf, jaws; Z,lip;g, tongue; ch, Chiagian organ; 



ch', blind sack of the ossophagus; pv, crop; s, salivary gland. 

 Keferstein, t. 87, f. 5 23 



28. Buccinum undatum, L. Proboscis half protruded 23 



29. 30. Ibid. Proboscis extended. After Cuvier. a, invagination 



of proboscis; b, proboscis; c, mouth; d, contractile muscles; 



e, muscular ring;/, opening of salivary gland 23 



31. (Esophageal ring of Pyrula tuba. Lam. s, salivary glands; a', 



oesophagus; oe', extension of oesophagus into the proboscis; pr, 

 prol)Oscis; g, cerebral ganglion; g', pedal ganglion; n, nerves. 

 Keferstein, t. 85, f. 7 23 



32. Digestive system of Patella. After Cuvier. a, mouth; b, oral 



mass; d, stomach; e, intestine 23 



33. Digestive tract of Volutaundulata, Lam. o, mouth; o', oral mass; 



s, salivary glands; g, cerebral ganglion; ch, oesophageal appen- 

 dage; pv, crop; «, stomach; a, anus. Keferstein, t. 84, f. 7.... 23 



34. Digestive tract of Turbo rugosus. Lam. (See explanation of 



former figures.) <j, nerve ganglia^; v', blind sack 23 



