401 



became so liberal a contributor to our own and other 

 collections. 



He offered the following resolutions, which were unan- 

 imously adopted : — 



Resolved, That the members of the Boston Society of Natural 

 History have learned with deep regret the death of their late 

 associate, Dr. Francis W. Cragin. 



Resolved, That in his death the Society has lost one of its 

 most generous friends and benefactors. 



Resolved, That to the family of our late associate we offer our 

 sympathies in the affliction they have been called upon to meet. 



A letter was read from Mr. William Sharswood, of 

 Philadelphia, accompanying the following descriptions 

 of insects by Prof. S. S. Haldeman, whicft have been 

 printed in certain popular journals, iJut hav^ never ap- 

 peared in a scientific publication. 



CECIDOMYA ROBINI^. Hald. 



Aurantiaca, ate pallide obscuraj ; thorax maculis 3 longitudi- 

 nalibus obscuris, pleura macula obscura ; abdomen segmentis 

 1'^ 2° obscuris. Long IJ- lin. 



Pale orange ; orange black, reticulate ; antennae, fix>nt, wings, a 

 large macula upon the pleui-a below the wing, and another be- 

 tween the anterior and medial feet, dusky: antennae (9) 14- 

 articulate, verticillate, slender, articulations separated, scapus 

 rather thick, and with the pedicellum translucent ; $ about 24- 

 articulate, slender ; palpi slender cylindric, 3=articulate, terminal 

 articulation more slender and larger than the preceding ones : 

 thorax with three large oval conspicuous dusky vitta? : abdomen 

 9-articulate, two basal articulations dusky above. 



This insect in the larva state feeds upon the leaves of the 

 Rohinia pseud'ocacia, the margin of which it forms into a roll. 

 Tlie larva is white, or pale orange, of 13 segments, the first of 

 which receives the retractile head ; nine segments, from the 

 fourth to the twelfth inclusive, with spiracles. The pupa does 

 aiot foniu a cocoon, but lie^ without a covering. It can move 

 itself by means of tho abdomen. The insect is not strictly a Ceci- 



PEOCEEDINGS R. S- N, H. — VOL. VI. 26 JANUARY, 1859, 



