New sea-side laboratory.
Annisquam laboratory.
Walker prizes [1869].
Walker prizes [1870].
1830-1880 ["volume of memoirs" order form].
Circular, August 1, 1838.
Walker prizes in natural history [subjects for 1895, 1896].
Walker prizes in natural history [subjects for 1899, 1900].
Anniversary memoirs of the Boston Society of Natural History, published in celebrationof the fiftieth anniversay of the society's foundation, 1830-1880 [order information].