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NEMATODA 



2. Transverse section of Ascaris. (Low power.) Cuticle; epidermis; layer of longitudinal muscles; 

 large lateral line of granular matter continuous with the epidermis and containing the excretory 

 canal ; less conspicuous dorsal and ventral lines ; intestine (or oesophagus) ; sections of ovary or 

 testis; section of the two uteri; or section of vas deferens. 



3. Transverse section of muscular fibre of Ascaris. (High power.) Contractile cortical layer; 

 granular inner mass; (nucleus). 



