APPENDIX 481 



XII. OLIGOCH^TA, LEECHES, BRYOZOA, AND 

 BRACHIOPODA 



Michaelsen, W. — Oligoehneta, in Das Tierreicli, 10 Lief. Berlin : 

 R. Friedlander & Sohn. 1900. 



Darwin, C. — Formation of Vegetable Mold through the Action 

 of Worms. D. Appleton. ISSl. 



Moore, J. P. — Hirudinoa of Illinois, Bulletin Illinois State Labora- 

 tory of Natural History, Vol. V. 1901. 



Davenport, C. B. — Fresh-water Bryozoa. American Naturalist, 

 Vol. XXXIII. 1899. 



XIII. POLYCEUETA AND LOWER WORMS 



Verrill, A. E. — New England Annelida. Transactions Connecticut 

 Academy, Vol. IV. 1880. 



Andrews, E. A. — Report on Annelida Polychseta of Beaufort. 

 Proceedings U. S. National Museum, Vol. XIV. Government 

 Printing Office. 1891. 



Johnson, H. P. — Preliminary Account of Marine Annelids of 

 Pacific Coast. Proceedings California Academy of Sciences, 

 Vol. I. 1897. 



Pratt, H. S. — Synopsis of the Trematodes. American Naturalist, 

 Nos. 404, 4.32. 1900, 1902. 



Coe, W. R. — Sj'nopsis of the Nemerteans. American Naturalist, 

 No. 463. 190.5. 



Montgomery, T. H. — Synopsis of the Gordiaeea. American 

 Naturalist, Vol. 33. 1899. 



Ward, H. B. — Parasitic Worms of Man and the Domestic Ani- 

 mals, in Report for 1894 of Nebraska State Board of Agricul- 

 ture. 189.5. 



XIV. MOLLUSCA 



Cooke, A. H. — Mollusoa in Cambridge Natural History. Mac- 



millan. 1896. 

 Tryon, Gen., Jr. — Structural and Systematic Conehology. S. R. 



Roberts. 1882, 1884. Price $6.00. 

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