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publication by the Academy occurred between the early months of 1839 

 and the year 1842, for reasons unknown, and this long delay may have 

 had something to do with the failure of the Academy to publish Professor 

 Wagner's paper, for the illustration of which these plates were evidently 

 intended. 



Figure 3. Cancellaiia aniiqna Wagner. [Bronn, 1848, p. 208 ; 1849, p. 465.] 

 This species has not been recognized. From the figure it should be 

 nearly related to the C. tenera Philippi, of the Pliocene and recent faunas, 

 and in the Miocene to C. perspcctiva Conrad, from Duplin County, North 

 Carolina. 



Figure 4. Troclius cinchis Wagner. [Bronn, 1848, p. 1298; 1849, P- 4'8.] 

 This species in the absence of its typical specimens can hardly be recog- 

 nized with certainty. It is probably a Calliostoma. 



Figure 5. Pectuncubis Virginia; Wagner. [Bronn, 1848, p. 940; 1849, p. 283.] 

 This well-marked species has been described at a much later date by 

 Tuomey and Holmes (Pleiocene Fossils of S. Carolina, p. 50, pi. 17, fig. 

 5, 1855), from the Pliocene of the Waccamaw beds, South Carolina, 

 under the name of Pectuncubis lavis. 



From the above notes it will be observed that the species figured come 

 from the Upper Miocene and Pliocene of the Atlantic slope, from Maryland, 

 Virginia, and the Carolinas. When Professor Wagner read his descriptions at 

 the Academy of Natural Sciences in the winter of 1838-39, with few excep- 

 tions the species were conspicuous, characteristic, and undescribed. It is an 

 obvious commentary on the want of interest which, up to ten years ago, was 

 felt in the Tertiary faunas of the United States, that in all the years which 

 have passed since these fossils were brought to the attention of the Academy, 

 a fair proportion have not been named or, indeed, noticed in any way 

 whatever. It seems highly appropriate under the circumstances that we 

 should very largely owe to the Wagner Institute the stimulus which has 

 brought about a renewed and deeper interest in our Tertiary Paleontology. 



