224 CALIFORNIA ACADEMY OF SCIENCES. 



Description of two new species of Carbonifer- 



ous Trilobites. 



In Trans. New York Acad. Sci., vol. 7, 1888, p. 247, 1 wood cut. 

 PhilUpsia sampsoni n. sp. Griffithides? sedaliensis n. sp. 



A catalogue of North American Palaeozoic 



Crustacea, confined to the non-trilobitic genera and 

 species. 



In Annals N. Y. Acad. Sci., vol. 5, ISS9, p. 1, 2 pis. 



Strigocaris n. g., .S'. sirir/ata Meek. 



This article also contains generic descriptions and illustrations. 



Notes on Palaeozoic Crustacea. No. 1. On 



some new Sedalia Trilobites. 



In Trans. St. Louis Acad. Sci., vol. 5, 1891. Author's Ed., 4 pp., 1 pi. 

 Brachymetopus armalus n. sp. 



A Bibliography of Pakeozoic Crustacea from 



1698 to 1889, including a list of North American species 

 and a systematic arrangement of genera. 



In Bull. U. S. Geol. Survey, No. 6.3, Washington, 1890. 



Notes on Pala3ozoic Crustacea. No. 2. On the 



North American species of the genus Agnostus. 



In the American Geologist, vol. 9, 1892, p. 377, pis. 9-10. 



Aynostus acutilohus Matt., A. obtttsilobus Matt., A. tesella Matt., A. 

 acadiciis Hartt., A. regulus Matt., A. umbo Matt., A. vir Matt., A. vir var. 

 concinus Matt., A. ainericanus 15i\l., A. canadensis Bill., A. communis H. &, 

 W., A. coloradensis Shumard, A. orion Bill., A. josepha Hall, A. rich- 

 m,ondensis Wal., A. maladensis Meek, A. bidens Meek, A. tumidosus H. & 

 W., A. interstrictus ^hiie, A. disparilis Hall, A. parilis Hall, A . jifolongus 

 H. & W., A. seclusus Wal., A. (jalba Bill., A.fabius Bill. 



Notes on Palaeozoic Crustacea. No. 3. On 



the genus Ampyx, with descriptions of the American 

 species. 



In The American Geologist, vol. 11, 1893. p. 99. 



Ampyx nudus Murch., A . 7iasutus Dalm . Lonchodoma.^ domasius Aug. 

 Ampyx americanus Vogd. & SaflF., -4. halli Bill., A. normalis'BiW., A. ruti- 

 lius Bill., A. semicostatus Bill. 



The author arranges this genus into three sections, as follows: Sec. 1, 

 Brevifrontes, type Ampyx nudus Murch. Sec. 2, Longifrontes, type A7n- 

 pyx nastUus Dalm. Sec. 3, Louchodomas, type L. domastvs Ang. 



For other references see Safford (J. M. ) and Vogdes (A. W.) 



