NATURAL HISTORY. 



Plate 



Genus Arca. 



195. Lettered Conchology, Genus Arca, Plate VIII. 



Fig. I, 2. Arca tortuofa. No. I. outfide, lower 



figure. No. z.infide 

 3,4. Area f'tnlh. No. I. the outfide, lower 



figure, No. 2. infide, the upper figure 

 5, 6. Arca nodulofa. No. I. outfide, lower 



figure. No. 2. infide 

 7. Arca nebulofa 



Genus Ostrea. 

 Pecten, or Scallops. 



196. Lettered Conchology, Genus Oftrea, Plate XII. 



Fig. I. OJlrea Jacobna 



2. OJlreafubrufa 



3. OJlrea nodofa 



4. Oftrea Uneata 



5. OJlrea obfeura 



6. OJlrea varia, various fizes 



7. OJlrea olfoleta, mt. {ize [Dono-v. Brit. Shells) 



Genus Mytilus. 

 193. Lettered Conchology, Genus Mya, &c. Plate 

 XI. B. 

 Fig. 6, 6. Mytilus eduHs, var. purpureus, [Donov. 

 Brit. Shells,) infide and outfide 



Genus Pinna. 

 19". Lettered Conchology, Genus Pinna, Plate VII. 

 Fig. I. Pinna nigra, infide and outfide, fmall fize 

 2 Pinna muricala, fhewing thebyffus or beard 



3. Pinna rubra, ditto 



4. Pinna fragilis 



Univalves. 

 Genus Argonauta. 

 J 98. Lettered Conchology, Order Univalve, Plate IV. 

 Fig. I. Argonauta argo, Paperfailor Shell 



2. Argonauta vitreus, called the Glafly- Nautilus, 

 a fhell of unufual rarity 



Fig. 



Genus Nautilus. 



Nautilus Pompilius, Great Nautilus. 



No. I. the largeil of the ordinary fize ; 

 No. 2. young ; No. 3. feftion of the young 

 (hell, fiiewing the chambers and the fi- 

 phunculus 



Genus Conus. 

 199 Lettered Conchology, Genus Bulla, &c. Plate 

 XI. A. 

 Fig. I. Conus Ammiralis, var. Banded Cedo nulli cone 



2. Conus Ammiralis, var. Curasao Cedo nulli cone 



3. Conus Ammiralis, var. Southern Cedo nulli cone 



4. Conus Ammiralis, var. Seba's Cedo nulli cone 



5. Conus Ammiralis, \-zr. Marbled Cedo nulli cone 

 * All thefe varieties are efteemed valuable : 



fome few bear an exceflive price; that 

 known by the name of Lyonet's Shell 

 ■ was reputed to be worth one hundred 

 pounds fterling, or as it has been other- 

 wife ftated a much higher fum. The 

 Vol. XXXIX. 



Plate 



figure in the upper part of the plate re- 

 prefents the moll uncommon kind of Cedo 

 Nulli 



Genus Cypr^sa. 



200. Lettered Conchology, Genus Cyprxa, Plate XIV. 



Fig. 1,1. Cyprisa tigris, upper and under fiirface 



2. Cyprsa aurora, Aurora or Orange Cowry 



of the South Seas 



3. Cypriea argus 



4. Cyprita Arabica 



5. Cyprita annulata, upper and under furface 



6. Cyprita fafciata 



7. Cypriea maculala 



8. Cyprisa vefpa 



9. 9. Cypriea monetas, upper and under furfaee 



10. 10. Cyprita pediculus 



Genus Bulla. 

 199. Lettered Conchology, Genus Bulla, &c. Plate 

 XL A. 

 Fig. 6, 6. Bulla lignaria. No. I. the outfide. No. 2., 

 the lower figure, Ihews the mouth 



Genus Voluta. 



201. Lettered Conchology, Genus Voluta, Plate I. 



Fig. I. Voluta tornatilis 



2. Voluta porphyria 



3. Voluta oliva 



4. Voluta pallida 



5.5. Voluta papalis. No. I. the back. No. 2. 

 fhews the mouth 



6. Voluta epifcopalis 



7. Voluta JEthiopica 



8. Voluta indica 



Genus Buccinum. 



202. Lettered Conchology, Order Voluta, &c. Plate II. 



Fig. I. Buccinum harpa 



2. Buccinum patulum 



3. Buccinum maculatum 



4. Buccinum Jlrigillatum 



Genus Strombus. 



Fitr. 5. Strombus chiagra 



6. Strombus pugilis 



7. Strombus lentiginofuj 



8. Strombus urceus 



Genus Murex. 



203. Lettered Conchology, Order Univalre, Plate III. 

 Fig. I. Murex haujlellum 



2. Murex longicauda 



3. Murex muricatus 



4. Murex tulipa 



Genus Trochus. 



Fig. 5. Trochus niloticus 



6.6. Trochus perfpeBivus. No. i., right-hand 

 ficrure, fhews the convex furface ; No. 2. 

 left-hand, the concave furface or under fide 



7. Trochus pidus 



8. Trochus turrit us 

 5 A 



