10 PSYCHE [February 



p. 548; Treat. Ins. Inj. Veget. New Edit. Flint, 1862, p. 548; ibid. 1863, p. 548. 

 ibid. 1880, p. 548. 



Two galls and one female in fairly good condition of this well kno^^■n species are 

 in the Harris collection. 



DiASTROPHUs DicHLOCERUS (Harris). 



Cynips dichlncerus Harris, Rep. Ins. Mass. Inj. Veget. 1841, p. 399; Treat. 

 Ins. New Engl. Inj. Veget. 2nd Edit. 1852, p. 435; Treat. Ins. Inj. Veget. 3rd Edit. 

 1862, p. 549, pi. VIII, figs. 6, 7, 8; ibid. New Edit. Flint, 1862, p. 549; ibid. 1863, p. 

 549; ?:6if/. 1880, p. 549. 



One gall and one female in broken condition. Only the legs, abdomen and 

 wings are extant. This species has been identified correctly by subsequent writers. 

 It cannot be confounded with any other known American Rhodites. 



Amphibolips confluens (Harris). 



Cynips confluens (Harris). Rep. Ins. Mass. Inj. Veget. 1841, p. 397; Treat. 

 Ins. New Engl. Inj. Veget. 2nd Edit. 1852, p. 433; Treat. Ins. Inj. Veget. 3rd Edit. 

 1862, p. 546, pi. VIII, fig. 9, 10 and figs. 253, 254; ibid. New Edit. Flint. 1862, p. 

 546; ibid. 1863, p. 546; ibid. 1880, p. 546. 



Two galls and one female gall-fly are in the collection. Amphibolips spongiflca 

 O. S. is a synonym of Cynips confluens. 



Amphibolips nubilipennis (Harris). 



Cynips nubilipentiis Harris, Rep. Ins. Mass. Inj. Veget. 1841, p. 398; Treat. 

 Ins. New Engl. Inj. Veget. 2nd Edit. 1852, p. 434; Treat. Ins. Inj. Veget. 3rd, Edit. 

 1862, p. 548; ibid. New Edit. Flint, 1862, p. 548; ibid. 1863, p. 548; ibid. 1880, p. 548. 



Four galls and two females in good condition are in the collection. I have care- 

 fully compared Harris's types with Bassett's types of Amphibolips sc^dpfus and 

 find them to be one and the same species. 



Callirhytis seminator (Harris). 



Cynips seminator Harris, Rep. Ins. Mass. Inj. Veget. 1841, p. 399; Treat. Ins. 

 New Engl. Inj. Veget. 2nd Edit. 1852, p. 434; Treat. Ins. Inj. Veget. 3rd. Edit. 1862, 

 p. 548; ibid. New Edit. Flint, 1862, p. 548; ibid. 1863, p. 548; ibid. 1880, p. 548. 



One gall and two female gall flies in good condition are extant. It is the well 

 known white, wooly gall on the twigs of white oak (Qnercus alba). It has been cor- 



