146 The Philippine Journal of Science 1923 



Treatment.— Same as for case 260. Foot lesions healed in seven days. 

 Still under observation. 



15. Case 818, July 26, 1 922.— Hereford, male. In clinic for an abscess 

 in right costal region. Foot maggots in left hind foot. 



Treatment.— Same as for case 121. Foot lesions cured August 7. 



16. Case 819, July 26, 1922.— Goat, female. Animal weak, depressed. 

 Left front foot gangrenous as high as carpus. Heavily infested with 

 screw-worm larvae. A few foot maggots present. 



Treatment. — Leg amputated above the carpus. Animal died shortly after 

 operation. 



17. Case 821, July 26, 1922. — Goat, female. Large gangrenous wound 

 at the fetlock, right hind leg. Foot maggots and screw-worm larvse present. 



Treatment. — Necrotic tissue removed and a chloroform pack applied. 

 Following day, treated with a 10 per cent silver nitrate solution, and from 

 then on received ordinary wound treatment. Discharged as cured August 23. 



18. Case 322, July 28, 1 9 22.— Hereford, male. History of lameness. 

 All four feet found infested with foot maggots: 



4 at coronary band, left hind foot. 



5 at lateral dew claw, right hind foot. 

 7 at bulbs of heels, right front foot. 



2 at bulbs of heels, left front foot. 

 Treatment. — Chloroform pack, painted with pix liquidae every third day 

 until discharged as cured August 3. 



19. Case 32U, July 28, 1 922.— Hereford, male. All four feet infested 

 with foot maggots. 



Treatment. — Maggots removed and pix liquidae applied every other day 

 until discharged as cured on August 3. 



20. Case 861, August 10, 1922. — Goat, female. Large gangrenous wounds 

 at fetlocks of both hind feet. The right foot had been disarticulated at the 

 fetlock by the maggots. Foot maggots and screw-worm larvse present. 

 Animal died before treatment could be given. 



BOOPONUS INTONSUS ALDRICH 

 LIFE HISTORY 



Egg. — Elongate ovoid, with the anterior end somewhat 

 pointed. Dull grayish white. Attached to the hairs of the 

 host by means of a membrane formed by a gelatinous secretion 

 of the female at the time of oviposition. Somewhat flattened 

 on the side of attachment, the anterior or more-pointed end 

 placed toward the base and closely applied to the hair. Smooth 

 except for a band of small punctures on the outer or dorsal 

 surface on the median line. Average measurements: Length, 

 0.875 millimeter; breadth, 0.229 (Plate 2, figs. 5 and 6). 



Young larva.— The young larva resembles the full-grown larva, 

 but differs in that the body spines are much darker and there are 

 but two slits in each of the posterior stigmata (Plate 4, fig. 1). 



Full-grown larva.— Body plump, robust, cylindrical; wedge- 

 shaped when fully extended (Plate 1, figs. 1 and 4). Posterior 



