36 CALIFORNIA ACADEMY OF SCIENCES. 



On the hypostoina of Asaphus canadensis, and 



on a third new species of Asaphus from the Canadian 

 rocks. 



In Canadian Jonr., new series, vol. 4, 1859, p. 1, 2 figs. 

 Asaphus canadensis, A. kincksil n. sp. 



On the probable nature of the supposed fossil tracks 

 known as Protichnites, etc. 



In Canadian Jonr., new series, vol. 16, 1877, p. 7. 



Some remarks on the classification of the 



Trilobites as influenced by stratigraphic relations; with 

 outlines of a new grouping of these forms. 



In Trans. Eoyal Soc. Canada, vol. , 1890. 



Ketrosijective view of the suborders Sections and Families. 



Order Trilobita. Suborder I: Pnssilliformes Fam. 1, Agnostidfe. 



Suborder II: Latiformes. 1, Levati Fam. 2, Illienidro Fam. 3, Asa- 

 l>hida?. 2, Sulcati Fam. 4, Basilicidfe Fam. 5, Dikelocepbalidie. 3, 

 Palmati Fam. 6, Lichasidae Fam. 7, Brouteidte. 4, Columuati Fam. 

 8, Phaetonidrei Fam. 9, Proetidte. 



Suborder III: Conifrontes. 1, Longiconi Fam. 10, Homalouotidas Fam. 

 II, Calymenidas Fam. 12, Triarthrida?. 2, Curticoui Fam. 13, Cono- 

 cephalidie Fam. 14, Conocorypbid;?. 3, Vittati Fam. 15, 01enid?eFam. 

 16, Arethusinidfe Fam. 17, Harpesida?. 



Suborder IV: Frontones. 1, Anuulati Fam. 18, Pbacopsidre Fam. 

 19, EncrinuridiiB Fam. 20, Clieiruridre. 2, Armati Fam. 21, Acidaspid£B 

 Fam. 22, ParadoxidfB. 3, Globosi Fam. 23, Trinucleidre Fam. 24, 

 Ampyxidpe Fam. 25, .33glinidfB. 4, Oculosi Fam. 26, Bohemillidaj Fam. 

 27, Eemopleurida?. 



Chtchegloff. Sur les Trilobites. en general et en par- 

 ticulier sur ceux de Zarskoe-Selo. 



In Jour, ftir nei;e Entdeckungen in der Phys. Chem. Natur uud Tecb- 

 nologieSt. Petersburg, Nos. 1, 2, 1827. 



Deucalion n. g., D. hrongniarti u. sp., pi. 8, fig. 9b. 



Clarke (J. M.) New Phyllopod Crustaceans from the 

 Devonian of western New York. 



In Am. Jour. Sci., 3d series, vol. 2,3, 1882, p. 476, plate. 

 Spaihiocaris n. g. Liscogaris n. g. Estheria pulex n. sji. Spathiocaris 

 emersonii n. sp. Lisgocaris liitheriu. sp. 



Cirriped Crustacean from the Devonian. 



In Am. Jour. Sci., ,3d series, vol. 24, 1882, p. 55. 

 Plumilites devoniciis. 



