PALEONTOLOGY. 267 



In the paper in the American Journal of Science (2G0) he describes 

 tlie following new species characteristic of the fauna of the so-called 

 " Taconic" of Emmons. 



Lingulella GranviUensis, p. 188, pi. i, f. 15-15c. 



Linnn7-ssonia Taconica, p. 189, pi, i, f. 18-18d. 



Oithis Salemeiisis, p. 190, pi. i, f. 17-17a, 



Uyolitltellufi micans, var. rugosa, n. var., p. 191, pi. i, f. 10. 



ModiolOpsis {11) 2>rlfica, p. 191, pi. i, f. 19. 



Lcpcrditla (J) dermatoides, p. 192, pi. i, f. 13-13a. 



AnstozoG rotundata, p. 193, pi. i, f. 9. 



Microdiscus connexus, p. 194, pi. i, f. 4-ib. 



Olenoides Fordi, p. 195, pi. i, f. 5-5&. 



Soleno2>Ieura (?) tiimida, p. 196, pL i, f. 2-2a. 



Ptychoparia Fitclii, p. 197, pi. i, f, 6. 



Ptychoparia (?) {snigciius ?) clavata, p. 198, pi. i, f. 3. 



In the "Lower Taconic" (262) he records the discovery of HyolHhes, 

 Nothozoe Vermontana, and Olenellus Asax)1ioides in the quartzites, and 

 Ilaclurea, MurcMsonia, and Baphistoma in the eastern limestone. 



Raphael Pumpellj" (223) communicates a note on the fossils of Little- 

 ton, New Hampshire. These fossils were reported by T. Nelson Dale, 

 and were determined by 0. D. Walcott and C. Rominger, by whom they 

 were referred to the Niagara age, while Billings determined other fos- 

 sils, derived from the same formations by C. H. Hitchcock, to be of 

 Helderberg age. In a note in the American Journal, vol. xxxvi, p. 

 255, it is stated that C. H. Hitchcock referred these fossils to the Ni- 

 agara group. (See Whitfield, Amer. Journ. Sci., vol. xxv, p. 369.) 



In 1888 Mr. Walcott (262) and Professor Dana (59) showed the im- 

 propriety of continuing the use of the name " Taconic system," and Mr. 

 Marcou (154, 155) defended the usage of " Taconic." In the meeting of 

 the International Congress at London the facts regarding the discovery 

 of fossils of the faunas of the Lower Silurian appeared as conclusive 

 argument against the recognition of the " Taconic System," and theterma 

 " Cambrian," " Lower Silurian," and " Upper Silurian " were accei)ted 

 for the three lower systems of the Palaiozoic. 



THE SILURIAN, LOWEB AND UPPER. 



Henry M. Ami has published several brief articles on the Paleontol- 

 ogy of the Paleozoic rocks in Canada (3, 4, 5, 6, 7, 8, 9). In vol. i of 

 the Ottawa Naturalist (3) the author refers to the occurrence of Sij)ho)io- 

 treta Scotica, Davidson, in association with a fauna of the Utica forma- 

 tion in a band of impure limestone on the banks of the Rideau River, 

 near Ottawa. In the transactions of the Field Naturalists' Club (8) he 

 gives further account of the Utica fossils from Rideau, and notes their 

 position in the section which he examined along Crichton street. Sev- 

 eral species are recorded as new to the locality, and two, marked as 

 new species, are referred to Ambonychia and Mctoptoma. In the article 

 in the Canadian Record of Science (9) he discusses the fossils from the 



