PLATE VI. 



Fig. 127. Gut which had been perforated by a bone. 



128. Humpty cod, 44cm. long. Reduced. 



129. Cod. Pimpled skin. Drawing to show white dendritic region in the 

 spleen. About natural size. 



130. Cod. Diagram of section of normal vertebra. 



131. ,, Bony tumour attached to the vertebral column, seen from the 

 left side, x about 5. 



132. Cod. Pimpled skin ; surface view of skin (Fig. 129). 



133. Tetrarhync/ms megacephalus, Rud., from lining of abdominal cavity of 

 Iceland saithe. Natural size after preservation. 



134. Echinorhynchus acua attached to peritoneum of saithe ? Natural size 

 after preservation. 



135a. Cod. Section across a vertebra. 



135b. ,, Bony tumour, seen from right side (Fig. 131). 



136. Humpty cod (Fig. 128). Anterior surface of 18th vertebra. 



137. ,, „ „ Vertebra No. 22. 



138. ,, ,, ,, ,, ,, 14. Posterior surface. Ap- 

 proximately natural size. 



139. Salmon. Tumour from pharynx. Nat. size. 



140. Cod. Bony tumour (Fig. 131). Section in horizontal plane. About 

 natural size. 



141. Humpty cod (Fig. 128). Vertebra No. 7, anterior end. Approximately 

 natural size. 



142. Humpty cod (Fig. 128). Vertebra No. 5, anterior end. 



143. ,, ,, ,, Vertebrse No. 15, 16, and 17, longitudinal 

 section. About natural size. 



144. Humpty cod (Fig. 128). Vertebra No. 22, side view. Nat. size. 



145. Gut that had been perforated (Fig. 127). Aperture showing the bone 

 projecting. Enlarged. 



146. Humpty cod (Fig. 128). Vertebrae Nos. 4, 5, 6, and 7, seen from 

 below. Approximately natural size. 



147. Humpty cod (Fig. 128). Vertebras Nos. 15, 16, 17, 18, and 19. 



148. Salmon. Bone found stuck in the wall of the stomach of a salmon 

 About natural size. 



149. Humpty cod (Fig. 128). Vertebral column. Reduced. 



150. Gut perforated by a bone. Optical section of injured gut. (cp. Figs. 

 127, 145). 



151. Cod. Section of a vertebra. 



