136 



BEPORT OP NATIONAL MUSEUM, 1912. 



No. 1886. Description of a new species 

 of the isopod genus Cassi- 

 dinidea from Mexico. By 

 Harriet Richardson, pp. 

 107, 108, figs. 1-3. 



No. 1887. Censers and incense of Mex- 

 ico and Central America. 

 By Walter Hough. pp. 

 10&-137, pis. 3-14, figs. 

 .1-12. 



No. 1888. Descriptions of five new 

 genera and twenty-six 

 new species of ichneumon- 

 flies. By H. L. Viereck. 

 pp. 139-153. 



No. 1889. Systematic notes and de- 

 scriptions of some weevils 

 of economic or biological 

 importance. By W. Dwight 

 Pierce, pp. 155-170. 



No. 1890. Variation in the skull and 

 horns of the Isabella ga- 

 zelle. By Gerrit S. Miller, 

 jr. pp. 171. 172, pi. 15. 



No. 1891. Description of a new isopod 

 crustacean belonging to 

 the genus Livoneca from 

 the Atlantic coast of Pan- 

 ama. By Harriet Richard- 

 son, pp. 173, 174, 1 fig. 



No. 1892. A new nematode, Ostertagia 

 bullosa, parasitic in the 

 alimentary tract of sheep. 

 By Brayton Howard Ran- 

 som and Maurice C. Hall, 

 pp. 175-179, figs. 1-4. 



No. 1893. Instructions for collecting 

 and fixing rotifers in bulk. 

 By P. de Beauchamp. pp. 



181-185. 



No.lS94. Marine and terrestrial iso- 



pods from Jamaica. By 



Harriet Richardson. pp. 

 187-194, figs. 1-3. 



No. 1895. Naumachocriuus, a new 

 genus belonging to the 

 crinoid family Phrynocrin- 

 idae. By Austin Hobart 

 Clark, pp. 195-197. 



No. 1896. New pediculate fishes from 

 the Philippine Islands and 

 contiguous waters. [Scien- 

 tific results of the Philip- 

 pine cruise of the Fisheries 

 steamer "Albatross," 1907- 

 1910.— No. 16.] By Lewis 

 Radcliffe. pp. 199-214, pis. 

 16-27, figs. 1-3. 



No. 1897. Names applied to bees of the 

 genus Osmia, found in 

 North America. By T. D. 

 A. Cockerell. pp. 215-225. 



No. 1898. New arenaceous foraminifera 

 from the Philippine Islands 

 and contiguous waters. 

 [Scientific results of the 

 Philippine cruise of the 

 Fisheries steamer "Alba- 

 tross," 1907-1910.— No. 17.] 

 By Joseph A. Cushman. 

 pp. 227-230, pi. 28. 



No. 1899. The chimferoid fishes of the 

 Philippine Islands, with de- 

 scription of a new species. 

 [Scientific results of the 

 Philippine cruise of the 

 Fisheries steamer "Alba- 

 tross," 1907-1910.— No. 18.] 

 By Hugh M. Smith, pp. 

 231, 232, pi. 29. 



No. 1900. Descriptions of new species of 

 parasitic copepods in the 

 collections of the United 

 States National Museum. 

 By Charles Branch Wilson, 

 pp. 233-243, pis. 30-34. 



No. 1901. Notes on fresh-water cope- 

 poda in the United States 

 National Museum. By C. 

 Dwight Marsh, pp. 245- 

 255, figs. 1-14. 



No. 1902. Descriptions of certain species 

 of wasps of the family 

 Sphecidfe. By Henry T. 

 Fernald. pp. 257-259. 



Xo. 1903. Additions to the west Amer- 

 ican pyramidellid mollusk 

 fauna, with descriptions of 

 new si>ecies. By Paul 

 Bartseh. pp. 261-289, pis. 

 35-38. 



