256: Progress of Invertebrate Paleontology in [ April, 
contains. Inthe July number of the same journal, pages 104--118, 
Mr. Miller has “ Descriptions of twelve new Fossil species, and 
remarks upon others.” The species are from the Hudson River, 
Niagara and Upper Helderberg groups, all being echinoderms 
except one fucoid, and all are illustrated upon the two plates 
which accompany the number. 
Prof. James M. Safford read a paper at the Saratoga meeting of 
the American Association for the Advancement of Science, on 
some remarkable Crinoids from Tennessee, which form the sub- 
` ject, in part, of the article by Prof. Hall in the lately published 
edition of the Twenty-eighth Regent’s Report, and which has 
already been mentioned. 
Mr. E. O. Ulrich has, in the April number of the Journal of the 
Cincinnati Society of Natural History, an illustrated article enti- 
tled “ New genera and species of Fossils from the Lower Silurian 
about Cincinnati. He describes thirty-two species, and proposes 
three new genera, Lefidolites, Ropalonaria and Crateripora, In 
the October, 1879, number of that Journal, pages 119-134, he has 
two articles entitled, respectively, “ Description of a new genus 
and some new species of Bryozoans from the Cincinnati Group;” 
and “ Description of a Trilobite from the Niagara Group of In- 
diana,” both being iliustrated. He has also lately personally 
published a thirty-two page pamphlet, “Catalogue of Fossils 
occurring in the Cincinnati Group of Ohio, Indiana and Ken- 
tucky.” : 
Lieut. A. W. Vogdes, in “ Notes on the Geology of Catoosa 
county, Georgia,” in the December number (1879) of the Areri- 
can Fournal of Science and Arts, page 477, names and briefly 
characterizes Calymene rostrata, a new Upper Silurian trilo- 
bite. 
Messrs. Charles Wachsmuth and Frank Springer have pub- 
lished, in the last number for 1879 of the Proceedings of the 
Academy of Natural Sciences of Philadelphia, a “ Revision of 
the Palzocrinoide. Part 1. The families Ichthyocrinide and 
Cyathocrinide.” Those who have done original work with the 
palzeozoic crinoids, or attempted a critical study of them, can 
fully appreciate the importance of the work which has been 
undertaken by these authors, The portion now published is the 
first of a proposed series, and contains about one hundred and 
fifty pages and three plates of illustrations. It contains a discus- - 
