CALIFORNIA ACADEMY OF SCIENCES. 



Types of Carboniferous Xiphosura new to 



North America. 



In Am. Naturalist, vol. 19, 1885, p. 291. 



Dipe.ltis 11. g. Belinurus lacoei n. sp. Euroops longispina n. sp. Gyclus 

 ameri-canus n. sp. Dlpeltis diplodiscus u. sp. 



The Syncarida, a group of Carboniferous 



Crustacea. 



In Am. Naturalist, vol. 19, 1885, p. 700. 

 Acanthotelson. 



On the Gampsonychidoe, an undescribed family 



of fossil Schizopod Crustacea. 



In Am. Naturalist, vol. 19, 1885, p. 790; Mem. Natl. Acad. Sci., vol. 3, 

 1886, p. 129, pi. 3. 

 Palceocaris typus M. & W. Gampsonyx fimbriatus J. & von M. 



On the Anthracoridce, a family of Carboniferous 



Macrurous Decapod Crustacea allied to the Eryonidce. 



In Am. Naturalist, vol. 19, 1885, p. 880; Mem. Natl. Acad. Sci., vol. 3, 

 1886, p. 135, pi. 4. 

 Anthrapalceon gracilis M. & W., A. grossarti Salt. 



Discovery of the thoraic feet in a Carboniferous 



Phyllocaridan . 



In Am. Philos. Soc., vol. 23, 1886, p. 380, pi. 

 Cryptozoe n. g., C. problematicus n. sp. 



On the class Podostomata, a group embracing 



the Merostomata and Trilobites. 



In Am. Naturalist, vol. 20, 1886, p. 1060. 

 Merostomata: Xiphosura, Synziphosura, Eurypteridat. 



On the Syncarida, a hitherto undescribed 



synthetic group of extinct Malacostracous Crustacea. 



In Mem. Natl. Acad. Sci., vol. 3, pt. 2, 1886, p. 123, pis. 1, 2. 

 Acanthotelson stimpsoni M. & W., A. magister Pack. 



On the Gampsonychidce , an undescribed family 



of fossil Schizopod Crustacea. 



In Mem. Natl. Acad. Sci., vol. 3, pt. 2, 1886, p. 129, 1 pi. 

 Gampsonyx fimbriatus J. & von M. PalcKOcaris typus M. & W. 



