Boston Society of Natural History. 
RECENT PUBLICATIONS. 
Memoirs. 4to. 
Description of the human spines showing numerical variation, in the Warren 
Museum of the Harvard Medical School. By Thomas Dwight. 76 pp. 
$1.50. 
The anatomy and development of Cassiopea xamachana. By Robert Payne 
Bigelow. 46 pp., 8 plates. $1.40. 
The development, structure, and affinities of the genus Equisetum. By Edward 
C. Jeffrey. 36 pp., 5 plates. $1.00. 
Localized stages in development in plants and animals. By Robert T. Jackson. 
65 pp., 10 plates. $2.00. 
Proceedings. 8vo. ' 
Glacial erosion in Prance, Switzerland and Norway. By William Morris Davis. 
50 pp., 3 plates. 50 cts. 
The embryonic history of imaginal discs in Melopliagus ovinus L., together 
with an account of the earlier stages in the development of the insect. By 
H. S. Pratt. 32 pp., 7 plates. 75 cts. 
A revision of the systematic names employed by writers on the morphology of 
the Acmaeidae. By M. A. Willcox. 6 pp. 10 cts. 
On a hitherto unrecognized form of blood circulation without capillaries in the 
organs of vertebrata. By Charles Sedgwick Minot. 31 pp. 35 cts. 
The occurrence of fossils in the Roxbury conglomerate. By Henry T. Burr 
and Robert E. Burke. 6 pp., 1 plate. 20 cts. 
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. 
List of marine 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. 
The development of Penilia schmackeri Richard. By Mervin T. Sudler. 
23 pp., 3 plates. 30 cts. 
Contributions from the Gray herbarium of Harvard university. New series, 
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. 
Studies in Diptera Cyelorhapha. 1. The Pipunculidae of the United States, 
By Garry de N. Hough. 10 pp. 10 cts. 
Notes on the reptiles and amphibians of Intervale, N, H. By Glover M, 
Allen. 13 pp. 15 cts. 
Variation and sexual selection in man. By Edwin Tenney Brewster. 
17 pp. 25 cts. 
Moniloporidae, a new family of Palaeozoic corals. By Amadeus W. Grabau, 
16 pp., 4 plates. 25 cts. 
Studies in the gold-bearing slates of Nova Scotia. By J. Edmund Woodman. 
33 pp., 3 plates. 50 cts. 
North American wood frogs. By Reginald Heber Howe, Junior. 6 pp. 10 cts. 
Some Hydroids from Puget Sound. By Gary N. Calkins. 35 pp., 6 plates. 
50 cts. 
The Odonate genus Macrothemis and its allies. By Philip P. Calvert. 32 pp., 
2 plates. 50 cts. 
On the veins of the Wolffian bodies in the pig. By Charles Sedgwick Minot. 
10 pp., 1 plate. 25 cts. 
Notes on a Carboniferous boulder train in eastern Massachusetts. By Myron 
L. Fuller. 14 pp. 15 cts. 
The genus Antennaria in New England. By Merritt L. Fernald. 13 pp. 15 cts. 
The land mammals of peninsular Florida and the coast region of Georgia. By 
Outram Bangs. 70 pp. 75 cts. 
A contribution to the petrography of the Boston Basin. By Theodore G. 
White. 40 pp., 5 plates. 65 cts. 
Clymene producta sp. nov. By Margaret Lewis. 5 pp., 2 plates. 15 cts. 
The Harvard geographical models. By W. M. Davis. 26 pp., 4 plates. 25 cts. 
The role of water in growth. By C. B. Davenport. 12 pp. 15 cts. 
