Price list of recent memoirs. 4to. 
Vol. V, No. 8, Observations on living Brachiopoda. By Edward S. Morse. 
73 pp., 23 pis. $2.00. 
No. 7. Description of the human spines showing numerical variation, in the 
Warren Museum of the Harvard Medical School. By Thomas Dwight. 
76 pp. $1.50. 
No. 6. The anatomy and development of Cassiopea xamachana. By Eobert 
Payne Bigelow. 46 pp., 8 plates. $1.40. 
No. 5. The development, structure, and affinities of the genus Equisetum. By 
Edward C. Jeffrey. 36 pp., 5 plates. $1.00. 
No. 4. Localized stages in development in plants and animals. By Eobert T. 
Jackson. 65 pp., 10 plates. $2.00. 
No. 3. Synapta vivipara : A contribution to the morphology of Echinoderms. 
By Hubert Lyman Clark. 35 pp., 5 plates. $2.00. 
No. 2. Notes on the dissection and brain of the Chimpanzee “Gumbo.” By 
Thomas Dwight. 21 pp., 4 plates. $1.00. 
No. 1. On the reserve cellulose of the seeds of Liliaceae and of some related 
orders. By Grace E. Cooley. 29 pp., 6 plates. $1.00. 
Vol. IV, No. 14. A bibliography of Vertebrate embryology. By Charles 
Sedgwick Minot. 128 pp. $2.50. 
No. 13. Fusion of hands. By Thomas Dwight. 14 pp., 2 plates. 75 cts. 
No. 12. The insects of the Triassic beds at Eairplay, Colorado. By Samual H. 
Scudder. 16 pp., 2 plates. 
No. 11. Illustrations of the Carboniferous Arachnida of North America, of the 
orders Anthracomarti and Pedipalpi. By Samuel H. Scudder. 14 pp., 2 
plates. 
No. 10. New Carboniferous Myriapoda from Illinois. By Samuel H. Scudder. 
26 pp., 6 plates. 
No. 9. New types of cockroaches from the Carboniferous deposits of the United 
States. By Samuel H. Scudder. 16 pp., 2 plates. Nos. 9-12, $3.25. 
No. 8. Phylogeny of the Pelecypoda ; the Aviculidae and tlieir allies. By 
Eobert Tracy Jackson. 124 pp., 8 plates. $3.00. 
No. 7. The flora of the Kurile Islands. By K. Miyabe. 74 pp., 1 plate. $1.75. 
No. 6. The Entomophthoreae of the United States. By Eoland Thaxter. 70 
pp., 8 plates. $3.50. 
No. 5. The Taconic of Georgia and the report on the geology of Vermont. By 
Jules Marcou. 28 pp., 1 plate. $1.00. 
No. 4. A Study of North American Geraniaceae. By William Trelease. 34 
pp., 4 plates. $1.25. 
No. 3. The introduction and spread of Pieris rapae in North America, 1860- 
1885. By Samuel H. Scudder. 18 pp., 1 plate. 50 cts. 
No. 2. The development of tlie ostrich fern, Onoclea struthiopteris. By Doug¬ 
las H. Campbell. 36 pp., 4 plates. $1.50. 
No. 1. The significance of bone structure. By Thomas Dwight. 17 pp., 3 
plates. $1.25. 
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