NATURAL HISTORY. 



Plate 



199. 



304. 



205. 



Genus Tukbo. 

 Lettered Conchology, Genus Bulla, &c. Plate 



XI. A. 

 Fig. 7, 7. Turbo trU'meatiis, [Doiiov. Brit. Shells) 

 fmallcft figure (liews the natural lize 

 S, 8. Turbo fufifarm'u, (Donov. Brit. Shells) 

 ditto 



Genus Helix. 

 Fig. 9, 9. Helix hortenjis 



Genus Nerita. 



Fig. 10, 10, 10. Nerita carena, the figure on the left 

 hand exhibits the carinated umbilicus 



Genus Haliotis. 



Lettered Conchology, Genus Haliotis, Plate VL 



Fig. 1,1. Haliotis Afinum, The lower figure fhcws 

 the outfide or upper furface of the (liell, 

 as the animal moves ; the upper figure ex- 

 hibits the hollow of the ftiell, when de- 

 prived of the animal 



2. Haliotis tuberciilata 



3, 4. Haliotis fpadicea, outfide and infide 

 5. Haliotis Iceingata 



Genus Patella. 



* Shell imlved within. 

 Lettered Conchology, Genus Patella, Plate (blank) 



Fig. 



I, I. 



3>3 



Patella equejlris. The upper figure fliews 

 the outfide of the fliell, which is rugofe; 

 the lower one the infide, which is fmooth, 

 and furnifhed with an internal lip or valve 

 in the hollow center 



Patella fornicata. The figure on the left 

 hand exhibits the outfide ; that on the 

 right hand the infide, with the broad in- 

 ner lip or valve 



Patella Jlriata. No. I., the lower figure, 

 Ihews the ftriated outer furface ; No. 2., 

 the upper figure, the concave hollow be- 

 neath, with the inner lip or valve 



* * Shell at the Apex perforated. 



4. 4. Patella fijfura 



5. Patella fjurella 



6. Patella graea 



7. Patella raaiata 



8. Patella lobata 



9. Patella nimbofa. The 

 the outfide furface ; 



hollow cavity, or infide 



upper figure fliews 

 the lower one the 



20a 



»** Apex of the Shell entire. I 

 Lettered Conchology, Genus Patella, Plate XVL 

 Fig. I. Patella granatina. The upper figure fliews 



the outfide ; the lower one the concave, or 



infide 



Plate 



206. Fig. 2, 



2, Patella Auricula, two varieties. The figure 

 in the middle of the left-hand margin 

 fliews the outer furface ; the others the 

 concavity 



Patella vulgata, var. 



Patella flrigata 



Patella fagittata 



Patella virgata 



Patella anatina 



Genus Dentalium. r 



207. Lettered Conchology, Genus Dentalium, Plat 



(blank) 



Fig. I. Dentalium elephantium ' 



Genus Serpula. 



Fig. 2. Serpula triquetra, various examples adhering 

 to a Pedten, {OJlrea) 

 3. Serpula triquetra, ditto, adhering to the valve 

 of a Mytilus 



3. Serpula 'vermicularis, intermixed with S. tri- 



quetra • 



- 4. Serpula •vermicularis, detached ' 



5- Serpula JiUformis 



6. Serpula reticulata 



7. Serpula papillofa 



8. Serpula tortuofa 



9. Serpula anguina j 

 I O. Serpula penis \ 



Genus Teredo. 



208. Lettered Conchology, Genus Teredo, Plate X. 



Fig. I. Teredo navalis, exhibiting the manner in 

 which the timbers of fliips' bottoms are 

 fometimes perforated by this deftruftive 

 creature 

 2. Teredo navalis, a fmgle fiiell detached from 

 the timber, is fliewn at the bottom of the 

 Plate 



Genus Sabella. 



Fig. 3, Sabella belgica 



4. Sabella alveolata 



ELEMENTAYY PLATES OF CONCHOLOGY. 



Univalves. 



209. Lettered Conchology, Elementary Plate L 



Fig. I, I, 1. The part denominated the Bafe of an 

 univalve fliell, illuftrated by 

 examples fclefted from differ- 

 ent Genera, as in Dentalium, 

 Turbo 



2, 2, 2. the Apex, as in Dentalium and 



Patella 



3, 3. the Front, as in Turbo, Buccinum 



4, 4. the Back, as in Turbo, Helix 



5, 5- the Sides, as in Turbo, Buccinum 



6, 6, 6. the Body, as in Helix, Murex 



7, the Belly, as in Nei-ita 



8, the Whorl, as in Turbo 



9, 9, 9. the Spire, as in Turbo, Murex] 

 10, 10. the Sutu us of the Spire or 



Whorl, us in Murex, Turbo 



I 



