92 



Part III. — Twenty-sixth Annual Report 



PLATE VI. 



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



intestine, ..... slightly enlarged. 



Fig. 2. Ancistrocephalus microcephalics (Strobile), - slightly enlarged. 



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



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



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

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



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



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



Coal-fish', - - - - - - - x 2 



PLATE VII 



Fig. 1 . Diphyllobothrium stemmacephalum, Cobbold, - about the natural size. 

 Fig. 2. Diplobothrium simile, van Beneden, - slightly enlarged. 



Fig. 3. Distomum cestoides, van Beneden, - about twice natural size. 



Fig. 4. The same, young examples, - about twice natural size. 



Fig. 5. (?) The same, young examples from cysts on the stomach of a 



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

 Fig. 6. One of the cysts containing young Distomides, - twice natural size. 

 F'g. 7. Three-spined Stickleback infested with Cestode worms, - natural size. 

 Fig. 8. A Stickleback, showing the worms in situ, - • natural size. 



