294 Bulletin Jard. Bot. Buitenzorg, Série lll, Vol. IV. Livr. 



2. 



Fig. 3. A flowergall on Cassytlia 

 filiformis L. X •• 



as a year ago, the plants 

 were badly infected and 

 covered with thousands 

 of galls forming thick 

 clusters especially on the 

 stem, See the subjoined 

 figure 4. 



Verlaten-island, April 

 27th 1919, No. 3726b; 

 and April 22nd 1920, 

 No. 4058. 



Literature: D. v. L. Kra- 

 katau Nol. figure 1 and 2. 



No. 10. Conocepha- 

 lus suaveolcns Bl. 



A leaf-gall caused by 

 a thrips : Eotlirips taiinis 

 (Karny). 



On this plant ! col- 

 lected in Java 6 différent 

 varieties of thrips-galls. 



trace of a gall-producer was to be 

 found. It is a kind of witches' 

 broom, the internodes of the flower- 

 stalks remaining short so as to form 

 bunches with the flowers accu- 

 mulated (close together). The gall- 

 former may be a coccid or aphid. 

 Verlaten-island, on the beach, 

 April 27th 1920. No. 4178. 



No. 9. Clerodendron inermc 

 Gaertn. 



A gall on the leaf, bud and stem, 

 formed by a gnat. 



Described in my first publication 

 on the galls of Krakatau. I found 

 the same gai! in the same spot 



Fig. 4. A midge-gall on Clerodendron inernie Gaertn, X ''2- 



