92 Part III. — Twenty-sixth Annual Report 



PLATE VI. 



Fig. 1. Echinorhynchus proteiis with their heads embedded in Eel 



intestine, .... - slightly enlarged. 



Fig. 2. Ancistrocephalus microc&phalus (Strobile), - slightly enlarged. 



Fig. 3. Tetrarhynchus megacephabis, (Strobile), - - slightly enlarged. 



Fig. 4. Dinohothrium septaria, van Beneden, (Strobile), - - x 2 



Fig. 5. Lepeophtheirus pectoralis, adhering to pectoral fins of flat fish, - 

 Fig. 6. (?) Prosthecosacier in viscera of Porpoise, - - - x 2 



Fig. 7. Specimens of the same shown separately, - - - - x 2 



Fig. 8. Bchinorhynchus acus, with their heads embedded in intestine of 



Coal-fish, - - - - - • - X 2 



PLATE VII 



Diphyllohothrmm stemmacephahim, Cobbold, - about the natural size. 

 Diplohothriuvi simile, van Beneden, - slightly enlarged. 



Distomum cestoides, van Beneden, - about twice natural size. 



The same, young examples, - - about twice natural size. 



(?) The same, young examples from cy.sts on the stomach of a 



Witch Sole, ..... twice natural size. 



One of the cysts containing young Distoniides, - twice natural size. 



Three-spined Stickleback infested with Cestode worms, - natural size. 

 A Stickleback, showing the worms in situ, - - natural size. 



