84 PECTINACEA. 



103. P. Tranquebaricus, Lamarck; Sow. Thcs.Concli. pi. VI. f.12,13. 

 Ostroia Tranqueharica, Gmelin ; Ostrccaundulatal Born; 

 Ostrcea itnclcus, Dillvvyu. 

 104-. P. tuinidus, Sowcrhy, Pro. Zool. Soc. 1835. p. 109. 



105. P. undulatus, Sowerhy, Thes. Conch, p. 60. pi. 19. f.206, 207. 



106. P. unicolor, Lamarck; Sow. Thes. Conch.pl. 12. f. 5, 6. 



Pecten aurantius, Sowerby. 



107. P. varicolor, Dufo, Ann. Sci. Nat. 1840. p. 210. 



108. P. varius, Pennant, Brit. Zool. v. 4. p. 221. pi. 64. f. 1. 



Ostrcea varia, Linnaeus ; Ostrcexe aculeata, Jlammea, incar- 

 nata, 7miricata., musielina, ochroleuca, punctata, subrufa, 

 tenuis, varia, versicolor, violacea, Gmelin. 

 velutinus, Soiverby, Thes. Conch, p. 63. pi. 13. f. 31. 

 ventricosus, Soiverby, Thes. Conch. p.Sl.pl. 12. f. 18, 19,26. 



Pecten tumidus, Sowerby. 

 virgo,Zawia/c/f, An.s. V. V. 7. p. 138;Payr. Cat. p. 72. no. 136. 

 vitreus, Chemnitz, Conch, pi. 67. f. 637 a. 

 ziczac, Chemnitz, Conch, v. 7. pi. 61. f. 590-592. 



Ostrcea ziczac, Linnaeus. 



Genus IV. PLICATULA, Lamarck. 



1. P. australis, Lamarck, Anim. sans vert. v. 7. p. 177. 



2. P. cristata, Lamarck ; Sowerby, Conch. Manual, f. 17f 



Plicatula gibbosa, Blain ville. TVi*!, ^. ^X.jji%. 

 S. P. depressa, Lamarck, Anim. sans vert. v. 7. p. 177. 



4. P. imbricata, Menke, Moll. Novae HoUandige, p. 35. 



5. P. ramosa, Lamarck ; Sowerby, Genera, f. 1,2. 



Plicatula gibbosa, Lamarck. 



6. P. reniformis, Lamarck, Anim. sans vert. v. 7. p. 177. 



Genus V. SPONDYLUS, Linnceus. 



1. S. aculeatus, Broderip, Pro. Zool. Soc. 1833. p. 5. 



2. S. albidus, Broderip, Pro. Zool. Soc. 1836. p. 43. 



3. S. Americanus, Lamarck, Enc. meth. pi, 195. f. 1, 2. 



Spondylus gccdaropus, var. Gmelin, 



4. S. arachnoides, Lamarck, Anim. sans vert. v. 7. p. 185. 



5. S. aurantius, Z«»?arc/e, An. s. v. v, 7. p. 190 ; Enc. in. pi. 191. f.3. 



6. S. avicularis, Lamarck, Anim, sansvert, v, 7, p. 188. 



7. ' . candidus, Lamarck, Anim, sans vert. v. 7. p. 185. 



