92 
Part [IL,— Twenty-siath Annual Report. 
PLATE VI. 
1. Echinorhynchus proteus with their heads embedded in Eel 
intestine, - - slightly enlarged. 
2. Ancistrocephalus Tetratepialins (Strobile), = slightly enlarged. 
3. Tetrarhynchus megacephalus, (Strobile), - : oe a 
4. Dinobothrium septaria, van Beneden, (Strobile), 
5. Lepeophtheirus pectoralis, adhering to pectoral fins of flat fish; 
6. (2) Prosthecosacter in viscera of Porpoise, - - Aste z 
7. Specimens of the same shown separately, - x) ae 
8. Hchinorhynchus acus, with their heads embedded i in intestine éf 
Coal-fish, - - : - . = ya 
PLATE VII 
1. Diphyllobothrium stemmacephalum, Cobbold, - about the natural size. 
2. Diplobothrium simile, van Beneden, : : slightly enlarged. 
3. Distomum cestoides, van Beneden, - about twice natural size. 
4. The same, young examples, - about twice natural size. 
5. (2) The same, young examples fen cysts on the stomach of a 
Witch Sole, - : - : twice natural size. 
6. One of the cysts containing young Distomides, : twice natural size. 
7. Three-spined Stickleback infested with Cestode worms, - natural size. 
8 
. A Stickleback, showing the worms i situ, - - natural size. 
