1885.] Invertebrate Paleontology for 1884. 355 
S. W. Ford, in the Amer. Fourn. Sci. and Arts for July, has a 
“Note on the discovery of Primordial fossils in the town of 
Stuyvesant, Columbia county, N. York.” 
James Hall has published another abstract of a paper to be 
issued in the 35th museum report of the State of N. Y., contain- 
ing descriptions of the species of fossil reticulate sponges, con- 
stituting the family Dictyospongide ; the plates were published 
before with the title, “ Notes on the family Dictyospongiz.” An 
abstract of this article appeared in the Geological Magazine for 
December. The same number of the Geological Magazine con- 
tains an abstract of a paper “On the Lamellibranchiate fauna of 
the Upper Helderberg, Hamilton, Portage, Chemung and Cats- 
kill groups (equivalent to the Lower, Middle and Upper Devon- 
ian of Europe); with especial reference to the arrangement of the 
Monomyaria and the development and distribution of the species 
of the genus Leptodesma.” 
G. Hambach, in the Trans. Acad. Sci. St. Louis, Vol. 1v, No. 
3, has “ Notes about the structure and classification of the Pen- 
tremites. In the same volume he has also an article describing 
some “ New Palzozoic Echinodermata.” 
Angelo Heilprin has published “ North American Tertiary 
Ostreide” as an appendix to Dr. White’s review of the fossil 
Ostreidze. He describes a Carboniferous Ammonite from Texas 
in the Proc, Acad. Nat. Sci. Philadelphia. He has also pub- 
lished a collection of his works on the Tertiary, under the title 
“ Contributions to the Tertiary geology and palzontology of the 
United States.” 
Alpheus Hyatt, in Science, Vol. 111, has an article on the “ Evolu- 
tion of the Cephalopoda.” In the AMER. NATURALIST for September 
he has a note on the “ Protoconch of Cephalopoda.” In the Proc, 
Boston Soc. Nat. Hist. he places a paper, preliminary to a mono- 
graph which will appear in the memoirs of the Museum of Comp. 
Zoology, on the “ Genera of fossil Cephalopods.” In the Proc. 
of the Amer. Assoc. for the Adv. of Sci., August, 1883, he has a 
paper on the “ Fossil Cephalopoda in the Museum of Comparative 
Zoology,” containing a discussion of the relations of this group. 
J. F. James, in Science, Vol. 111, criticises two of the determina- 
tions made by Leo Lesquereux in his Tertiary flora U. S. Geol. 
and Geog. Surv. Terr., F. V. Hayden. [This work although 
printed has not yet been distributed.| He also has an article on 
