206 



[September, 



Lecanium expansum, var. rotundum, n. var. 

 Smaller than type and circular in outline. Margin stippled as in 

 metallicum. On Rhizophora mucronata (No. 82). 



Lecanium (Saissetia) nigrum, Nietner. 

 On Heven hrasiliensis (No. 80). 



Lecaniu]^! (Eucaltmnatus) trssellatum, Sign. 

 These specimens agree with Signoret's type in having no median 

 dorsal suture. But the median area is densely chitinous and the 

 division may be merely obscured. On Eriodendron nnfractuosiim 

 (No. 83). 



Lecanium (Saissetia) ole^, Bern. 

 On Erythrina litJiospermn (No. 99), 



Pulvinaria maxima, sp. nov. (fig. 2). 



Dried examples pale fulvous, probably greenish in life. Ovisac profuse, white, 

 flattisli ; sometimes extending to a length of 20 mm. 



Adult $ irregularly oval ; margins undulating ; broadest across 

 posterior half. Margin with a close fringe of stout spines (fig. 2 a), '\Jt\l 



which, in all my examples, arc irregularly truncate, as if broken. 



Pig. 2. 



except at the stigmatic clefts, where tbey are longer and sharply pointed. Limbs 

 well developed. Antenna (fig. 2 b) eight jointed, 3rd longest, 7lh and 8tb shortest. 



