SUPPLBMENT TO PSVCHK,— 1- 



COXTRIBUTIOXS FROM THE NEW MEXICO AGRICULTURAL 



EXPERIMENT STATION. 



I. New North American- Coccidae 



BY T. D. A. COCKEREI.L. 



Tachardia fulgens, n. sp. — ? scales usii- nothing to do with the external '• tail" 

 ally massed together, more or less surround- above) round in outline, with ahout 12 ori- 

 ing the twig, forming an irregular nodulose fices. ''Tail" verv broad, its outline about 

 bright reddish-orange coating about 4 mm. that of tlie dome of St. Paul'.s, or narrower 

 thick. A single scale is about 5 mm. long in some examples; projecting from it the 10 

 and 4 broad, and presents a conspicuous or 12 bristles of the anogenital ring. (In 

 somewhat curved, blunt, shining, dorsal one I counted .12, in another onlv 10.) Lac- 

 hurap ; also a tail-like projection, sometimes tubes cylindrical, with stout stalks, gland- 

 directed upwards, and two or three irregular groups at end rounded beneath; (brming, 

 projections on each side. The "hump "and seen from the side, a broad crescent, not 

 " tail " are sometimes so placed, that when quite a hemisphere. 



the scale is viewed from the side it presents The young larvae are elongate, dark 



a ludicrous resemblance to the head of a man crimson in color. 



with a very long, crooked nose and a short. This species is in many respects allied to 



pointed beard, — or when the ''tail" is T. lurrene And T'. co^««/(^ but can easily he 



pointed upwards, it looks like a much-pro- distinguished from both by external appear- 



duced chin, and the scale then strongly ance alone. 



suggests the features of the historical Mr. Hni. Arizona, received from Prof. J W. 

 Punch ! Tourney, who gives me the following inter- 

 On boiling in caustic alkali, the insects esting particulars. He got it from a Mex- 

 give a fine deep crimson color. ican, and has seen only the stem of the 

 2 approximately globular, purple (becom- food-plant, but thinks it is a Sesbaiiia. He 

 ing reddish-brown after being placed in abso- was told that this lac was used quite exten- 

 lute alcohol and mounted in balsam), with sively by the Mexicans as a medicine for 

 the lac-tubes very conspicuously contrasting stomach trouble^, under the name of 

 — these latter quite colorless, with the ter- " Gomea." It is kept in the drug shops at 

 minal gland-mass yellow. Rostral loop Tucson, and ineets quite a sale. It is also 

 extremely short. Spine stout. Groups of used to some extent in mending pottery, etc. 

 glands in vicinity of "tail" (which has Finally, he adds, the Mexicans make a 



