120 Psyche [June 
Reiff remarked on the work of certain European investigators upon the 
phenomenon of melanism in the genus Argynnis as occurring in Europe. 
Mr. Emerton gave his report of the committee on the smoker given 
at the time of the meeting of the American Association for the Ad- 
vancement of Science. 
Mr. Brues made some remarks on the new form given to Psycue and 
stated that the forthcoming number would be in the regular octavo size 
instead of the royal octavo as heretofore. He asked especially for short 
notes and papers for publication. 
The following persons were proposed for membership in the club: 
Mrs. R. L. Draper, Canton, Mass. 
Dr. J. S. Kingsley, professor of zodlogy in Tufts College. 
Dr. Wheeler stated that certain rooms at the Bussey Institution were 
being remodeled and repaired and it was hoped that future meetings of 
the club might be there. It was moved and seconded that the next 
meeting of the club be held in these rooms. Carried. 
Harry S. Smirx, 
Secretary pro tem. 
The 294th regular meeting of the club was held at the Bussey Institution, 
Forest Hills, Tuesday evening, March 15, with 17 members and three 
visitors president, and President Wheeler in the chair. The minutes of 
the January and also the February meetings were read and accepted. 
It was voted that extracts from the minutes of the meetings be pub- 
lished regularly in Psycue. 
Mrs. R. L. Draper of Canton, Mass., and Dr. J. S. Kingsley, professor 
of zoddlogy in Tufts College, were elected to membership. Mr. C. E. 
Montgomery, 338 Boylston Street, Boston, was proposed for member- 
ship by C. W. Johnson and W. L. W. Field. The resignation of R. W. 
Harris of Melrose was accepted. Mr. J. H. Emerton’s paper on “Some 
Cases of Dimorphism in Spiders” was then presented with blackboard 
sketches; drawings, made with his usual care and accuracy, and alcoholic 
specimens of the species under discussion were also handed around. The 
following cases were described: 1. The females of Miswmena vatia and 
Misumena aleataria may be either white or yellow. 2. Males of Mevia 
vittata have one form with spotted legs and colors like the female and 
another with white legs and the rest of the body black. 3. dgraca pra- 
tensis and Agreca repens are probably one species with one kind of male 
and females with two different forms of the epigynum. Females found 
at the same time and place have both forms. 4. Ceratinella letabilis 
has two forms of male palpus, one with a short tibia with a wide tooth 
and a smooth edge to the tarsus. The other with a narrower tibia and 
tooth half as wide and the edge of the tarsus with two ridges. 
Mr. C. W. Johnson spoke on the so-called “Ground Pearls,” Margarodes 
formicarium of the West Indies. The specimens shown are formed by 
