﻿CTRENA. 



Plate. Species. 



oblonga. Deshayes IX. o/ 



obscura. Prime IX. 33 



obsoleta. Deshayes XVI. 85 



occidens. Benson XI. XIII. 48 



olivacea. Carpenter IX. 32 



orientalis. Lamarck XII. 54 



ovalina. Deshayes XV. 77 



ovalis. Prime XVIII. 101 



imllida. Desliayes XIX. Ill 



Papua. Lesson VII. 2'2 



Panamaensis. Prime VIII. 29 



Panormitana. Bivoti, not met with 



Paracensis. B^Orhigny X\ . 81 



Paranensis. D'OrZ*., not met with 

 Peruviana. Beshayes, not met with 

 Petitiana. Bourr/, not met with 



placida. Beshayes XVIII. lOG 



Pfimeana. Morch XIII. 63 



producta. Beshayes IV. 12 



prolongata. Prime XVII. 94 



pusilla. Philifpi XII. 57 



i-adiata. Eanhy XI. XIII. 47 



Ilaiiwndi. Bourg, not met with 

 rrnirmta. Valenciennes, not met with 



regularis. Prime XV. 7(3 



rhomboidea. Prime XII. 52 



rivalis. Von Biisch XIV. (35 



rotundata. Lea , II. 4 



Saigonensis ? , r, XIII. (52 



Plate. 



salmacidse. Moreld, XVII. 



semisulcata. Beshayes XVI. 



similis. Gray XIII. 



sinuosa. Beshayes VII. 



solida. Beshayes XVIII. 



squalida. Beshayes XVII. 



striatella. Beshayes XI. 



sublobata. Beshayes X. 



suborbicnlaris. Phil., nob met with 



sulcatina. Beshayes XIV. 



sumatrensis. Sowerhy XIII. 



tenebrosa. Hinds V. 



tenuistriata. Prime XV . 



trigona. Beshayes XI. 



Iravadica. Blanford XI. 



triangularis. Metcalfe VII. 



trigonella. LamcJc, not met with 



triquetra. Beshayes II. 



tumida. Beshayes XVII. 



turgida. Lea, not met with 



unioniformis. Prime III. 



Vauikorensis. Q"oy, not met with 



variegata. Besh ayes XVI. 



veneriformis. Sowerhy IV. 



ventricosa. Beshayes IX. 



violacea. Lamarck V. 



Woodiana. Lea XIII. 



Yokohameusis XII. 



Zeyhmica. Lamarck XIX. 



lOU 



104 

 Oil 



4;t 



39 



