28 



PLACUMA. 



660 Placuna Sella^ several specimens 



661 papyracea 



662 — Placenta 



ANOMIA. 



663 Anomia Ephippium, one detached and several 



adhering to a stone 



664 patellaris 



665 aBnigmatica, Chemn. xi. 1. 199, f. 1949 



1950 



666 electrica 



667 memhranacea 



TEREBRATULA. 



668 Terebratula vitrea 



669 dilatata 



670 dorsata 



671 Caput-serpentis 



6/2 truncata 



673 psittacea 



674 dentata 



675 rosea, (nonnul.) 



676 picta, (Humphrey) 



LIJVGULA. 



6J7 Lingula anatina, one specimen having its pe- 

 duncle 



678 hians, Swainson in Phil. Mag. vol. 62,, 



p. 403 



HYALMA. 



679 Hyalaea tridentata 



680 rostrata. Rheda rostrata, Humphrey MS. 



