FAMILY 1. FISSURACEA. 25 
Several genera (Macrochisma, Pupillia, Fissurellidea, e. g.), founded 
upon certain minute variations, might with more propriety be considered 
as sectional divisions of the primitive genus. 
The habits of the Fissurellz are similar to those of the Patella. 
Examples. 
Pl. CXLI. Fig. 1. 
FissuRELLA Noposa, Lamarck, Anim. sans vert., new edit., vol. vii. 
p. 593. Martini, Conch., vol. i. pl. 11. f. 94. 
Patella nodosa, Born. 
Patella spinosa, Gmelin. 
Patella Jamaicensis? Gmelin. 
Pl. CXLI. Fig. 2. 
FissuRELLA NiIMBOoSsA, Lamarck, Anim. sans vert., new edit., vol. vii. 
p- 591. Martini, Conch., vol. i. pl. 11. f. 92. 
Patella nimbosa, Linneus. 
Le Dasan, Adanson. 
Pl. CXLI. Fig. 3. 
FissurELLA Graca, Lamarck, Anim. sans vert., new edit. vol. vii. p. 592. 
De Blainville, Manuel de Malacologie, pl. 48. f. 3. 
Patella Greca, Linneus. 
Le Gival, Adanson. 
Pl. CXLI. Fig. 4. 
FissurELLA picta, Lamarck, Anim. sans vert., new edit., vol. vil. p. 590. 
Martini, Conch., vol.i. pl. 11. f. 90. 
Patella picta, Gmelin. 
Pl. CXLI. Fig. 5 and 6. 
FissuRELLA BarBaDENsIs, Lamarck, Anim. sans vert., new edit., vol. vii. 
p. 595. Martini, Conch., vol.i. pl. 11. f. 93, 96 and 97. 
Patella Barbadensis, Gmelin. 
Patella perforata, Gmelin. 
(Var. Fig. 6.) Patella virescens, Guilding. 
WOl. Ii. E 
