= SYSTEMATIC 497 
xvii. P. megacephalus, Baird, found embedded in the flesh of the head of an 
Indian crocodile, C. palustris, the “ Mugger.” Probably a larval 
form. 
xviii. P. megastomus, Diesing, found in the lungs of a fresh-water tortoise, 
Hydraspis geoffroyana. 
xix, P. moniliformis, Diesing, found in the lungs of pythons. 
xx. P. najae sputatricis, Leuckart, found encapsuled in the abdominal 
muscles and peritoneum of the cobra, Naja tripudians. Probably a 
larval form. 
xxi. P. oxycephalus, Diesing, found in the lungs of crocodiles and 
alligators. 
xxl. P. platycephalus, Lohrmann, habitat unknown. 
xxii. P. subuliferus, Leuckart, in the lungs of the cobra Naja haje. 
xxiv. P. teretiusculus, Baird, found in the lungs and mouth of certain 
Australian snakes. 
xxv. P. tortus, Shipley, found in the body-cavity of a snake, Dipsadomorphus 
trreguiaris, taken in New Britain. 
. Reighardia, sp., Ward, found in the air-sacs of Bonaparte’s gull and the 
common North American tern. 
XXV 
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