8?gi£ 
Bull. U. S. F. C. 1899. (To face page 492.) 
Plate V. 
33. Ascaris neglect a Leidy, from Chilomycterns schoepfi. Head with 
upper lip. x 3uU. 
. Cuticle, optical section, x 400. 
. Lateral view of posterior end. x 05. 
. Plan of anal papillae so far n< made out. 
37. Ascaris sp. from Santa sanla. Ventral view of head of male. 
x 400. Cuticle missing at x. 
38. Jaws of specimen from which the cuticle was entirely absent. 
X 300. 
39. Lateral view of tail of male, spicules broken, x G.'. 
40. Lateral view of tail of female, x 65. 
41. Ascaris sp. from Pomolobus inert her is. Ventral view 
x 300. 
42. Upper lip of male, x 300. 
43. Lateral view of tail of male. 1O0. 
44. Same of female, x 100. 
4"\ plan of anal papillae. 
of head. 
