]CA 



EXPLANATION OF THE PLATES. 



2. 



h. the breathing-tube or wind- 

 pipe, 

 r . c. the horns. 

 fl.d. the foot. 

 Vohita Olid, with the animal. 



b. the breathing-tube. 



r. c. the horns, with the eyes at 



the base. 

 d.d. the foot. 

 i. Ila/iotis tuherculata, with the 



animal. 

 n. a. the horns. 

 b. b. the columns supporting the 



eyes. 



c. part of the pallium, perhaps 



answering the purpose of 

 a windpipe. 



d. the foot, with two rows of 



fringes. 



4. Voluin glabella, with the animal. 



a. a. the horns. 



b. b. the eyes. 



c. the breathing-tube. 



d. the foot. 



5. The under side of the animal of 



Valuta glabella. 



a. a. the liorns. 



b. b. the eyes. 



c. the breathing-tube. 



d. the foot. 



c. the trunk and mouth. 



6. Trochus <cMe//«<Mi, with the ani- 



mal. 



a. a. the horns. 



b. b. the columns supporting the 



eyes. 



6. c. a pointed bony horn, the use 



unknown. 

 d. d. d. three tentacula or arms simi- 

 lar to the horns a. a. ; it 

 has three on the other side 

 opposite to these : the use 

 unknown. 

 €. the operculum. 



7. Solen slrigilatus var. 



a. b. the two tubes mentioned at 

 p. 15. 

 c. the foot. 



8. Cardiiim ringens. 



a. b. the two separate tubes. 



c. the foot. 



9. 3fya Arena) ia. 



a. b. the two conjoined tubes. 



Plate 11. 



10. Murex ramosus var. 



u. the operculum. 



11. Vohita Olha. 



a. the mouth. 



b. b. the horns. 

 c.e. the eyes. 



d. the breathing-tube. 



12. Turbo liltoreus. 



1 3. Pholas Dactj/lus. 



a.b. the two conjoined tubes. 

 c. the foot. 



14. Murex Brandaris. 

 16. Murex babylonius. 



16. Bulla Hi/datis. 



17. Turbo Terebra. 



RICHARD AND ARTHUR TAYLOR, PRINTERS, 

 SHOE LANE, LONDON. 



