Diam. maj. 1.24; min. 1.09; alt. 0.70 inch.
[24] In this the band seems obscured in the general blackness of the shell; occasional varieties of several others are found without the band, as if from disease, as in H. anachoreta.
[25] These species have parallel spiral grooves, not rugæ.
Regular Meeting, April 16th, 1866.
President in the chair.
Five members present.
Mr. Horace F. Cutter was elected a Resident Member.
The Committee on rooms reported that two rooms had been hired for the Academy on the southeast corner of Montgomery and Sacramento streets.