C. CORDIFORMIS. _Buc._ subrotundum læve, umbonibus recurvatis.

The brief description in the 'Systema' had evidently been copied in the

manuscript by our author himself, who cited Gualt. t. 71. f. E. as the

sole synonym. The specimen had apparently been added to the collection,

subsequently to the drawing up of the first catalogue.

Journal of the Proceedings of the Linnean Society - Vol. 4 Zoology · 第 73 / 311 题