454 Mr. C. Fuller on some S2)ecies of 



of the alxloniinal segments are short, stout spines, the points of which 

 are directed towards the head. 



The name of Dr. N. A. Cobb, of the N. S. W. Depart- 

 ment of Agriculture, is respectfully attached to this 

 species. 



Genus Dactylopius (Costa). 



38. Dactylopius macrozamiie, sp. n. 



Adult 9 active ; light yellowish-brown ; elongate, flattish, seg- 

 mented ; with dorsal meal and short lateral tassels. Antenna; of 8 

 joints, basal wide and stout, remainder cylindrical, apical longest and 

 almost fusiform ; sequence 812(35)5(67). Legs ample, spined. Tuber- 

 cles small. Anal ring conspicuous with 6 strong hairs. Dorsum 

 clothed with many hair-like spines and with numerous multiocular 

 pores and raided spinnerets. Mentum conical, ape.x haired, mono- 

 merous (?). Eyes sub-conical. Length 0'16 inch. Eggs yellow, 

 deposited in thin cottony webs. 



Larva yellowish-brown. Antennae 6-jointed, anal tubercles small. 



On Macrozamia frazeri, Swan River. Generally found 

 at the bases of the fronds. 



39. Dactylopius adonidum. 

 On Oleander and Coleus. 



40. Dactylopius grcvillccV, sjd. n. 



Adult 9 s stationary, sub-globose, distinctly segmented, slightly 

 mealy, inhabiting complete and almost spherical sacs. Colour purple- 

 black. Antennae 7-jointed ; 7 longest, remainder sub-equal, there is 

 seemingly an atrophied joint between joints 5 and 6. Legs short, 

 stout ; tibia longer than tarsus, tarsus clawed ; u^jper digitules slight, 

 lower dilated. Epidermis with many spinnerets and small spines. 

 Anal ring with 6 stout hairs. Tubercles small, each with a long seta 

 and four distinct guttate spines. Similar spines occur laterad of each 

 abdominal segment, and extend in a row across the dorsum. 



On Grevillea hipinoiatifida, Swan River. 



41. Dactylopius lanigerus, sp. n. 



Adult 5 s active, sluggish, congregating in colonies upon the 

 branchlets and secreting immense quantities of woolly matter, which 

 becomes matted together and hangs down in shreds. When removed, 

 the adult 9 is of a yellowish or dirty brown colour with short tassels 

 of cotton laterad of each segment. Antennae 8-jointed ; sequence 

 81 (23) (4,5,6,7). Mentum conical, dimerous. Legs ample ; tibia twice 



