86 Dr. E. von Martens on the Subdivisions of Pinna. 
Hanleyi, Reeve, 15; pectinata, Chemnitz, vol. vii. fig. 770. 
Coromandel, Amboyna. 
*japonica, Hanley (see below, Note 1). Japan. 
penna, Reeve, 39. Philippines. 
serra, Reeve, 43. Moreton Bay, Australia. 
serrata, Solander, Reeve, 65. West Indies. 
*Chemnitzii, Hanley, Reeve, 1 & 55. Philippines. 
assimilis, Hanley, Reeve, 59. ‘Torres Straits. 
lanceolata, Sow., Reeve, 58. Pacific coast of Central America. 
*ramulosa, Reeve, 52 ; nobilis (non L.), Chemnitz, 775. Pennaria 
muricata, Morch. West Indies. 
Orbignyi, Hanley, Reeve, 49. West Indies. 
papyracea, Chemnitz (?), Reeve. 
lurida, Reeve, 24. Philippines. 
*seminuda, Lam. Encycl. Méth. 199. 4; Reeve, 2 (South Caro- 
lina) ; ¢nflata, Chemnitz, 771; Reeve, 5 (Nicobar and Philip- 
pine islands); Zeelandica, Gray, Reeve, 13 (New Zealand). 
This species forms, by its dark colour, a passage to the next 
group. 
(b.) Of blackish colour and more triangular form. (Atrina, Gray.) 
*adusta, Chemn. 782; exusta, Gmel. Indian Ocean. 
Gouldii, Reeve, 21. 
*rigida, Dillwyn, Reeve, 7. Red Sea. (Ehrenberg.) 
tuberculosa, Sow., Reeve, 48. Panama. 
fimbriatula, Reeve, 62. Japan. 
alta, Sow., Reeve, 11. Honduras. 
Cumingii, Hanley, Reeve 29. Australia. 
*subviridis, Reeve, 32. South Carolina. 
{ carolinensis, Hanley, Reeve, 66. South Carolina. 
*nigrina, Lam. (see Note 2), Rumph. 46 L.?; Gualtieri, pl. 81 ; 
Chemn. 774, Encycl. Méth. 199.1; Reeve, 4. Red Sea 
(Indian Ocean ?). 
deltodes, Menke, Reeve, 40. West coast of New Holland. 
*vyevillum, Born, Mus. Ces. Vind. 7,8; Chemn. 783; Reeve, 36. 
Moluccas. 
Strangei, Hanley, Reeve, 52. Moreton Bay. 
Il. Pinne fisse. 
(a.) Of red colour and rather lanceolate form. 
( *rudis, L., Chemn. 773, Encycl. 199.3; Reeve 19. West Indies 
| (and Guinea ?). 
*yaricosa, Lam.; 6bullata, Swains., Reeve, 16. West Indies. 
(See Note 3.) 
pernula, Chemn. 785; Reeve, 22. West Indies; Canarian 
| islands. 
JS 
