PROCEEDINGS 81 



Proc. 

 No. 



980. Descriptions of a new genus and two new species of African fresh-water 



crabs. By Mary J. Rathbun. Pp. 25-27. May 4, 1894. 



981. An analysis of jadeite from Mogcung, Burma. By Oliver C. Farrington. 



Pp. 29-31. July 29, 1894. 



982. Notes on some skeletons and skulls of porpoises of the genus Prodelphinus, 



collected by Dr. W. L. Abbott in the Indian Ocean. By Frederick W. 

 True. Pp. 33-37. July 19, 1894. 



983. Description of nests and eggs of some new birds, collected on the Island of 



Aldabra, northwest of Madagascar, by Dr. W. L. Abbott. By Charles 

 Bendire. Pp. 39-41. July 19, 1894. 



984. Notes on the crabs of the family Inachidae in the United States National 



Museum. By Mary J. Rathbun. Pp. 43-75, 1 pi. July 21, 1894. 



985. On the formation of stalactites and gypsum incrustations in caves. By George 



P. Merrill. Pp. 77-81, 4 pis. July 28, 1894. 



986. Descriptions of a new genus and four new species of crabs from the Antil- 



lean region. By Mary J. Rathbun. Pp. 83-86. July 21, 1894. (Advance 

 sheets issued Mar, 30, 1894.) 



987. The formation of sandstone concretions. By George P. Merrill. Pp. 87-88. 1 pi. 



July 23, 1894. 



988. Monograph of the genus Gnathodon, Gray {Ra?igia, Desmoulins). Bv Wm. H. 



Dall. Pp. 89-106, 1 pi. July 23, 1894. 



989. On the nom.enclature and characteristics of the lampreys. By Theodore Gill. 



Pp. 107-110. July 23, 1894. 



990. The nomenclature of the Myliobatidae or Aetobatidae. By Theodore Gill. Pp. 



111-114. July 23, 1894. 



991. The nomenclature of the family Poeciliidae or Cyprinodcntidae. By Theodore 



Gill. Pp. 115-116. July 19, 1894. 



992. The differential characters of the Salmonidae and Thymallidae. By Theo- 



dore Gill. Pp. 117-122. July 19, 1894. 



993. On the relations and nomenclature of Stizostedion or Lucioperca. By Theodore 



Gill. Pp. 123-128. July 21, 1894. 



994. Description of a new species of cotton rat (Sigmodon minima) from New 



Mexico. By Edgar A. Mearns. Pp. 129-130. July 19, 1894. 



995. Notes on the invertebrate fauna of the Dakota formation, with descriptions 



of new molluscan forms. By Charles A. White. Pp. 131-138, 1 pi. July 19, 

 1894. 



996. The shells of the Tres Marias and other localities along the shores of Lower 



California and the Gulf of California. By Robert E. C. Stearns. Pp. 

 139-204. July 19, 1894. 



997. Notes on a Japanese species of reed warbler. By Leonhard Stcjneger. Pp. 



205-206. July 21, 1894. 



998. A review of the fossil flora of Alaska, with descriptions of new species. By 



F. H. Knowlton. Pp. 207-240, 1 pi. Aug. 2, 1894. 



999. Diagnoses of new North American mammals. By Frederick W. True. Pp. 



241-243. Nov. 15, 1894. (Advance sheets issued Apr. 26, 1894.) 



1000. Descriptions of new species of starfishes and ophiurans, with a revision of 



certain species formerly described; mostly from the collections made by the 

 United States Commission of Fish and Fisheries. By A. E. Verrill. Pp. 245- 

 297. Nov. 15, 1894. 



1001. Notes on the anatomy and affinities of the Coerebidae and other American 



birds. By Frederic A. Lucas. Pp. 299-312, 13 figs. Nov. 15, 1894. 



1002. Discovery of the genus Oldhnmia in America. By Charles D. Walcott. Pp. 



313-315, 1 fig. Nov. 15, 1894. 



1003. Notes on reptiles and batrachians collected in Florida in 1892 and 1893. By 



Einar Loennberg. Pp. 317-339, 3 figs. Nov. 15, 1894. 



1004. On the rodents of the genus Sminthus in Kashmir. By Frederick W. True. 



Pp. 341-343. Nov. 15, 1894. 



