Price list of recent memoirs. 4to. 



Vol. V, No. 9. The skeletal system of Necturus maculatus Rafinesque. By 



H. H. Wilder, Ph.D. 53 pp., 6 plates. $1.00. 

 No. 8. Observations on living Brachiopoda. By Edward 8. 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 Robert 



Payne Bigelow. 40 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 Robert 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 Fairplay, Colorado. By Samuel II. 



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 their allies. By 



Robert 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. <'.. The Kntomophthoreae of the United States. By Roland 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 the 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. 



