A. E. Verrill—Additions to the Molluscan Fauna, etc. 209 
putting on record for future discussion 
2n¥ — 3n%§ —11n™! =30 ke ee (1) 
2n'—21n¥''+30n"! 280 ws Oe I ae 
3n°— 8n¥i— QnVii + TnV=0 ae a ERS 
planetary elements. Of these, the following may be worth 
Ooi ae ehny 26 ee ee 
257n* ~—844n"! +5870"! =0 Mies siete agdr (5 
both of which, I believe, are accurately true. The fifth, how- 
Bloomington, Indiana, January, 1872. 
Art. XX VIIL—Brief Contributions to Zoblogy, from the Museum 
of Yale College. No. XIX.—Recent Additions to the Molluscan 
Fauna of New England and the adjacent waters, with notes on 
other species; by A. E. VERRILL. 
THE new edition of Gould’s Invertebrata of Massachusetts, 
edited by Mr. W. S. Binney, and published in 1870, was in- 
fro 
it included all, or nearly all, the species known from 
land and the adjoining B 
is my intention to enumerate the marine pate from New ct 
land and closely adjacent waters, not included in Binney’s Goul 
* Newcomb’s Orbit of Neptune, p. 76. 
Am. Jour. Sct,—Tu1rp Series, Vou. III, No. 15,—Makon, 1872, 
14 
