1892-] 
441 
[Annual Meeting. 
the Proceedings Boston society natural history, Vol. XXI, pp. 
451-452. 
Besides the Bailey, Burnett, Glen, and Greenleaf collections 
there is a large collection of samples of greensand and marl made 
by the late Prof. W. B. Rogers, deposited by the Institute of 
Technology, and some miscellaneous material. 
Miss Martin has prepared and mounted a considerable number 
of sections of sponges for use in the Laboratory. 
Protozoa. 
Miss Martin has mounted and repaired the models of Foram- 
inifera received last year from the Peabody Museum in Salem. 
The models of living forms have been placed on exhibition. 
Mollusca. 
Mr. Henshaw reports as follows upon his work in this depart- 
ment : The Unionidae of the Mayo collection, 219 species, 980 
specimens, have been assorted and arranged according to Lea’s 
Synopsis. The Achatinellidae of the Mayo and General collections, 
exclusive of the- Gulick collection, and consisting of 141 species, 
1,165 specimens, have been arranged and labeled according to 
Hartman’s Catalogue. This series includes several species not 
represented in the Gulick collection. A list of the known Acha- 
tinellidae has been compiled. The Zonitidae, Mayo and Gen- 
eral collections, 125 species, 1,100 specimens, have been arranged 
and labeled according to Tryon’s Manual. Of the remaining Pul- 
monifera the North American series of both the Mayo and General 
collections have been labeled and arranged according to Pils- 
bury’s List, the others belonging to the Mayo collection have been 
assorted and arranged according to Pfeiffer’s Heliciorum Viven- 
tium. The valuable series of Patula strigosa, 28 varieties, 228 speci- 
mens, also from the Mayo collection, has been catalogued and 
labeled. The Cypraeidae, Mayo collection, 166 species, 1,050 
specimens, have been arranged and labeled according to Roberts’s 
Monograph, and catalogued by Miss Martin. Some work has also 
been done by the same assistant upon the Cones and Murices of 
the Mayo collection, and he has also identified, mounted, and 
labeled ready for exhibition in the general collection 28 species, 
67 specimens, of Polyzoa and 26 species, 120 specimens, of Bra- 
chiopoda. 
