290 The Philippine Journal of Science i9i6 



measure from 45 to 70 millimeters in length, the anterior 

 slender portion of the body making up from two thirds to three 

 fourths of the whole length. 



The posterior end of the male is curved spirally and bears a 

 single spicule surrounded by a spiny sheath with a bulbous 

 enlargement at the end. The posterior end of the female is 

 straight and is filled with lemon-shaped eggs. 



These were collected from the c«cum of a cow at Minalabag, 

 Camarines, and are listed as specimen No. 103, helminthological 

 collection, College of Medicine and Surgery. 



FILARIID^ 



Filaria labiato-papillosa. 



These are long, slender, threadlike white worms with a 

 terminal mouth surrounded bj^ a chitinous ring bearing two 

 papillalike processes. 



The males are 4 centimeters long with a spiral, pointed tail, 

 bearing four pairs of preanal and five postanal papillae and two 

 unequal spicules. 



The females are 6 to 7 centimeters long. The posterior end 

 is slightly curved and terminates in a fasciculus of small blunt 

 points preceded by two thick, cortical, lateral papillae. 



These worms were found free in the abdominal cavity and in 

 the lungs of a cow, Minalabag, Camarines, and are listed as 

 specimen No. 114, helminthological collection. College of Medicine 

 and Surgery. 



TREMATODES 



Paramphistomum sp. 



A single small specimen of this genus was found in the 

 stomach of the cow. 



It is immature, and so the species could not be determined. It 

 is listed as specimen No. 112, helminthological collection. College 

 of Medicine and Surgery. 



