naturalists’ quarterly advertiser. xxi 
Fresh-water Invertebrata. 
60. Observations on Phyllopod Crustacea [Branchi- 
pid-se], with descriptions of new Genera and Species. (18 p., 
cuts), 1870 . 16 
61. Notice of Invertebrata dredged in Lake Superior, 
in 1871, by the U. S. Lake Survey. By S. I. Smith and 
A. E. Verrill. (7 p.), 1871 . 10 
62. Review of Nicholson’s Contributions to a Fauna 
Canadensis. . (3 p.), 1873 08 
63. Reports on Fresh-water Invertebrata of North 
America: Crustacea, by S. I. Smith; Leeches, by A. E. 
Verrill; Invertebrata of Lake Superior, by S. I. Smith; 
Food of Fishes, by S. I. Smith (72 p., cuts, 3 pi.), 1874. 75 
64. Report upon Fresh-water Leeches of Nevada, 
Utah, Colorado, etc. (4to, 11 p.), 1875 .... 30 
Miscellaneous. 
65. New Fluid for preserving Natural History Speci¬ 
mens. (2 p.), 1866 ........ 06 
66. The External and Internal Parasites of Man and 
Domestic Animals. (104 p., 84 cuts), 1870 ... 50 
Supplement to the same.- 10 
67. Description of Sclerostoma pinguicola. (2 p., cut), 
1870 06 
68. The Rules of Zoological Nomenclature. (20 p.), 1869 25 
69. Additional Note on the Rules of Nomenclature. 
(2 p.), 1872 .■ . 50 
sixtds. 
1. COUES.—Key to Birds of N. A. Small 4to. pp. 361. 
Illustrated by 6 steel plates and 238 wood-cuts. $7 00 
2. “ Field Ornithology. A Guide to the collection 
and preservation of Birds. Their Nests and Eggs, together 
with a List of the Birds of N. A., giving the Scientific and 
Common Names. 8vo. Cloth.2 50 
3. COUES.—Check List of N. A. Birds .... 50 
4. “ Birds of the Northwest . . . . 3 50 
