ART. lii. 



MASKELL GENERA OF COCCIDAE — MORRISON. 



39 



small, simple, circular, set in a small, circular, more heavily chitinized 

 plate on the dorsal surface close to the posterior end of the body. 



Intermediate stage female. — Differs from the adult chiefly in 

 degree, the size smaller, the number of pores and setae very much 

 less, and the antennae only a little invaginated, the antennal setae 



Fio. 12. — Eebmococcus pirogallis (Maskkll). a. larva, leg, X44o; B. larva, an- 

 tenna, X440; C. LARVA, TDBOLAR DUCT, X 640 ; D. LARVA, APEX OF ABDOMEN, X 440 ; E. 

 LARVA, OUTLINE, PROBABLY OF CAST SKIN, X 165 ; F. INTERMEDIATE STAGE FEMALE, AN- 

 TBNNNA, X640; G. ADULT FEMALE, ANTENNA, X 640 ; H. ADULT FEMALE, SPIRACL.B, X 335 ; 

 I. INTERMEDIATE STAGE FEMALE, ANAL RING REGION, X 230 ; J. ADUI/T FEMALE, ANAL 

 RING, X640; K. ADULT FEMALE, OUTLINE OF BODY, X 67.6 ; L. AND M. 8-SHAPED PORKS( 

 DIFFERENT VIEWS, ADULT FEMALE, X 1500. 



protruding distinctly from the collar; ih^ long setae near the anal 

 ring in a more or less distinct single row (this not the 2nd stage 

 female of Maskell). 



Larva. — (2nd stage of Maskell) (cast skins only) Broad oval, 

 rather pointed at posterior extremity, dorsum more heavily chitinized, 

 forming an elongate oval area marked by distinct transverse seg- 



