200 AMERICAN JOURNAL 



D. acuticarinatus, Si am. 



" curtus, Caraccas Bay. 



" angustatus,* United States. 



" inconspicuus, Hab. — ? 



Monograph of the genus Typhis^ Montf., 1 plate, with 21 

 figures. 



Monograph of the genus Trichotropis, 1 plate, with 17 

 figures. 



Appendix to Monograph of the genus Conus, 4 plates. 

 The following are new : — 

 C comjjressus, Hab. — ? C. quadratomaculatus, Ilab. — ? 



" roseo-tinctus, " ? 



" exeavatus, " ? 



" nigrescetis, " ? 



" proximus, " ? 



" Tasmaiiice, Sowb., Tasmania 



" acutimarginatus, " ? 



" turriculatus, " ? 



" concinnus, " ? 



" Borneensis, Borneo. 



" complanatus, Australia. 



Monograph of Cerithkwi. Supplementary Plate. 



The following are new species : — 



C. tenuifilosum,'\ Philippines. C. coarctatum, Hab. — ? 



" undatum, Hab. — ? " Afrum, " ? 



" tenuipunctatuni, " ? 



Monograph of Uhurna. Supplementary Plate. 



The following are figured, all neiv ! — 



E. semipicta, Sowb., Hab. — ? 



" Borneensis, " Borneo. 



" chrysostoma, " Ceylon. 



" Formosa, " Formosa. 



Annals and Magazine of Natural History. XVIII., No. 105. Sept., 

 1866. 



On Green Oysters. By Arthur W. E. O'Shaughnessy, 

 of the British Museum. 



This paper we copy in the present number of this Journal* 

 It will be found well worthy of perusal. 



XIX., No. 109. January, 1867. 



On the Perforate Structure of the Shell of Spirifer cuspi- 

 datus. By Wm. B. Carpenter. 



* = D.fossor, Say, -whicli Sowerby has not identified. 



t Instead of C. Jilostim, Conch. Icon. 82, which is preoccupied. 



