Boston Society of Natural History. 
RECENT PUBLICATIONS. 
Proceedings. 8vo. (For price list of Memoirs, see third page of cover.) 
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Vol. 31, No. 6. Contributions from the Gray herbarium of Harvard university 
New series.— No. 27. By B. L. Robinson. 25 pp. 25 cts. 
5. Observations on the cytology of Araiospora pulchra Thaxter By 
C. A. King. 35 pp., 5 pis. 50 cts. 
4. The metamorphoses of the hermit crab. By M. T. Thompson 63 dp 
7 pis. 75 cts. ‘ 
o. Systematic lesults of the study of North American land mammals 
during the years 1001 and 1902. By G. S. Miller, Jr., and J. A. G Rehn 
85 pp. 50 cts. 
2. Proceedings of the Annual Meeting, May 6, 1903. 37 pp. 20 cts. 
No. 1 . A rare Thalassinid and its larva. By M. T. Thompson. 21 pp 3 pis 
35 cts. y 
V°l. 30, No. 7. The life history, the normal fission and the reproductive 
oigans of PlcLYicLvict, maculata. By W. C. Curtis. 45 pp., 11 plates 75 cts 
No. 6. Monograph of the Acrasieae. By E. W. Olive. 63 pp., 4 plates 50 cts 
Proceedings of the Annual Meeting, May 7, 1902. 15 pp. 15 cts. 
Memorial of Professor Alpheus Hyatt. 20 pp. 10 cts. 
The origin of eskers. By W. O. Crosby. 86 pp., 30 cts. 
The Medford Dike area. By A. W. G. Wilson. 21 pp., 4 plates 
35 cts. 
No. 1. Systematic lesults of the study of North American land mammals to the 
close of the year 1900. By G. S. Miller, Jr., and J. A. G. Rehn 352 pp 
81.25. 
Vol. 29, No. 18. The Polychaeta of the Puget Sound Region. By H. P. John¬ 
son. 56 pp., 19 plates. 55 cts. 
No. 17. Proceedings of the Annual Meeting, May 1, 1901. 33 pp. 10 cts. 
No. 16. Bermudan Echinoderms. A report on observations and collections'made 
m 1899. By H. L. Clark. 7 pp. 10 cts. 
No. 15. Echinoderms from Puget Sound : Observations made on the Echino¬ 
derms collected by the parties from Columbia University, in Pueet Sound 
in 1896 and 1897. By H. L. Clark. 15 pp., 4 plates. 30 cts. 
No. 14. Glacial erosion in France, Switzerland and Norway. By William Morris 
Davis. 50 pp., 3 plates. 50 cts. 
No. 13. The embiyonic history of imaginal discs in Melophagus ovinus E., 
togetliei with an account of the earlier stages in the development of the 
insect. By H. S. Pratt. 32 pp., 7 plates. 75 cts. 
No. 12. Proceedings of the Annual Meeting, May 2, 1900. 18 pp. 10 cts. 
No. 11. A levision of the systematic names employed by writers on the morphol¬ 
ogy of the Acmaeidae. By M. A. Willcox. 6 pp. 10 cts. 
No. 10. On a hitherto unrecognized form of blood circulation without capillaries 
in the organs of vertebrata. By Charles Sedgwick Minot. 31 pp. 35 cts. 
No. 9. The occurrence of fossils in the Roxbury conglomerate By Henry T 
Burr and Robert E. Burke. 6 pp., 1 plate. 20 cts. 
No. 8. The blood vessels of the heart in Carcharias, Raja, and Amia. By 
G. H. Parker and F. K. Davis. 16 pp., 3 plates. 25 cts. 
No. /. List of maiine mollusca of Coldspring Harbor, Long Island, with 
descriptions of one new genus and two new species of Nudibranchs By 
Francis Noyes Balch. 30 pp 1 plate. 35 cts. 
No. 6. The development of Penilia schmackeri Richard. By Mervin T. Sudler 
23 pp., 3 plates. 30 cts. 
No. 5. Contributions from the Gray herbarium of Harvard university. New 
seiies, no. 17. 1. Revision of the genus Gymnolomia. 2. Supplementary 
notes upon Calea, Tridax, and Mikania. By B. L. Robinson and J M 
Greenmail. 22 pp. 25 cts. 
No 4. Studies in Diptera Cyclorhapha. 1. The Pipunculidae of the United 
States. By Garry de N. Hough. 10 pp. 10 cts. 
No. 3. Notes on the reptiles and amphibians of Intervale, N. H Bv Glover 
M. Allen. 13 pp. 15 cts. 
No. 2. Variation and sexual selection in man. By Edwin Tenney Brewster 
17 pp. 25 cts. 
No. 1. Proceedings of the Annual Meeting, May 3, 1899. 43 pp. 15 cts. 
Vol. 28, No. 16. Moniloporidae, a new family of Palaeozoic corals. By Ama¬ 
deus W. Grabau. 16 pp., 4 plates. 25 cts. 
No. 15. Studies in the gold-bearing slates of Nova Scotia. By J. Edmund 
Woodman. 33 pp., 3 plates. 50 cts. 
No. 14. North American wood frogs. By R. H. Howe, Junior. 6 pp. 10 cts. 
