888 Progress of Invertebrate Paleontology [November, 



The museum report for 1 880 is to contain some further work 

 of Professor Hall's oh the Bryozoans and Lamellibranchiates. The 

 report for i88r will contain the completion of the Lamellibranchi- 

 ates and a continuation of the Bryozoans and corals, a discussion of 

 Uphantaenia and Dictyophyton, &c, &c. The report for 1882 

 will contain the completion of the work on Bryozoans and corals. 

 The appendix to Vol. v, Part ir, of the Palaeontology of New 

 York, with 16 plates, is near completion. 



Professor Angelo Heilprin has continued his original investiga- 

 tions in connection with his professional duties at the Philadel- 

 phia Academy of Natural Sciences. The following is a list of the 

 articles published by him during the past year, all of which have 

 appeared in the Proceedings of the academy for 1881 : " Notes 

 on the Tertiary geology of the Southern United States," pp. 

 151-159: "A revision of the cis-Mississippi Tertiary Pectens 

 of the United States ;" " Remarks on the Molluscan genera Hip- 

 pagus, Verticordia and Pecchiolia ;" " Note on the approximate 

 position of the Eocene deposits of Maryland," and " A revis- 

 ion of the Tertiary species of Area of the Eastern and South- 

 ern United States." Professor Heilprin has other works in 

 progress besides the arrangement and classification of the collec- 

 tion of the academy. 



Professor Alpheus Hyatt has published the work mentioned in 

 my last review, on the " Genesis of the Tertiary species of Plan- 

 orbis at Steinheim," in the Anniversary Memoirs of the Boston 

 Society of Natural History, 1 14 pages and 9 plates. 



A synopsis of this work, together with other matter, was pub- 

 lished in the Proceedings of the American Association for the 

 Advancement of Science, Vol. xxix, pp. 527-550, with two plates, 

 under the title, " Transformations of Planorbis at Steinheim, with 

 remarks on the effects of gravity upon the forms of shells and 

 animals." During the summer of 1881 Professor Hyatt, to- 

 gether with a party of his assistants and students, visited Anti- 

 costi and other places in a yacht, for scientific study. Concern- 

 ing his palaeontological studies, he says : " I found specimens of 

 Beatricia showing the terminal part to be an open cup. I also 

 found natural sections exhibiting what seem to be vertical septa 

 similar to those of Cystiophyllum." His memoir on the Am- 

 monites is now ready for the press. 



In June of last year Mr. U. P. James published a paper in No. 



