1!)21] Wells— New United States Zooceddia 37 



u})per side rounded, yellow or red, lower side truncate with slit- 

 like opening, yellowish, surface smooth; nionothalamous, chamber 

 in upper half of gall connected with slit-like opening by narrow, 

 flattened canal, walls firm; locally abundant, Hocking Co., Ohio, 

 Cedar Point, Ohio. Types in collection of author. 



Amorpha. 

 Cecidomyia sp. Cecidium nov. Fig. 3. 



3. On Amorpha canesce^is Pursh, leaf rachis, leaflet either side 

 or flower stalks; prosoplasma, up-walled type; cone-shaped with 

 truncate ends, more or less curved, when on leaflet, base projects 

 as a rounded prominence beyond the blade, 4-12 mm. long, larger 

 when on leaf or floral axes, galls of leaflets exposed to light dis- 

 tinctly red in color, pubescence similar to that of normal plant; 

 chamber shape conforms to that of gall; fairly common, numerous 

 on particular plants, Manhattan, Kan. Types in collection of 

 writer. 



Cecidomyia sp. Cecidium nov. Fig. 4. 



4. On Amorpha canescens Pursch, leaflet; kataplasma, edge-roll 

 type; revolute leaf edge, yellow, 3-5 mm. long, pubescent like nor- 

 mal leaf; fairly common, Manhattan, Kan. Types in collection 

 of writer. 



- * Alhizzia. 



Coccid sp. Cecidium nov. Fig. 5. 



5. On Alhizzia julihrissin Durazzini, stem surface; kataplasma; 

 simple, circular elevations with depression in center containing 

 coccid, 5.8 mm, dia., lighter in color than surrounding bark, the 

 color of the new hyperplastic tissue which has become exposed; 

 locally common, Ealeigh, N. C. Types in collection of the writer. 



The above gall may be found on stems of widely varying age. 

 It may be formed on trunks measuring 7-8 cm. dia. The flgure 

 is from a stem measuring 3 cm. in dia. and which is 7 years old. 



Azalea. 

 Coccid sp. Cecidium nov. Fig. 6. 



6. On Azalea nudiflora (L) Torr., stem surface; kataplasma; 

 simple diamond-shaped elevations with rounded corners with de- 

 pression in center containing coccid, 1 cm, long, elevation about 



