36 CALIFORNIA ACADEMY OF SCIENCES. 



On the hypostoma of Asaphus canadensis, and 



on a third new species of Asaphus from the Canadian 

 rocks. 



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

 Asaphus canadensis, A. hincksii 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. Royal Soc. Canada, vol. , 1890. 



Eetrospective view of the siiborders Sections and Families. 



Order Trilobita. Suborder I: Pussilliformes Fam. 1, Agnostidae. 



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

 phidaB. 2, Sulcati Fam. 4, Basilicidro Fam. 5, Dikelocepbalidae. .3, 

 Palmati Fam. 6, Lichasidse Fam. 7, BrouteidiB. 4, Columnati Fam. 

 8, Phaetonidre Fam. 9, Proetidre. 



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

 11, Calymenidaj Fam. 12, Triarthridno. 2, Curticoui Fam. 13, Cono- 

 cephalidiB Fam. 14, Conocoryphida?. 3, Vittati Fa&. 15, Oleuidas Fam. 

 16, Arethusinidas Fam. 17, Harpesida?. 



Suborder IV: Frontones. 1, Annulati Fam. 18, Phacopsidas Fam. 

 19, Encrinurida? Fam. 20, CheiruridiB. 2, Armati Fam. 21, Acidaspidae 

 Fam. 22, Paradoxidae. 3, Globosi Fam. 23, Trinucleidte Fam. 24, 

 Ampyxidae Fam. 25, ^glinidaa. 4, Oculosi Fam. 26, Bohemillidae Fam. 

 27, Remopleurida?. 



Chtchegloff. Sur les Trilobites en general et en par- 

 ticulier sur ceux de Zarskoe-Selo. 



In Jour, ftir neue Entdeckimgen in der Phys. Chem. Natur iind Tecli- 

 nologie St. Petersburg, Nos. 1, 2, 1827. 



Deucalion n. g., D. bro7igniarti n. sp., jjI. 8, fig. 9b. 



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

 Devonian of western New York. 



In Am. Jour. Sci., 3d series, vol. 23, 1882, p. 476, plate. 

 Spathiocaris n. g. Liscoyaris n. g. Estheria pulex n. sp. Spathiocaris 

 emersonii n. sp. Lisgocaris lutherin. sp. 



Cirriped Crustacean from the Devonian. 



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

 Plumilites devonicus. 



