EXPLANATION OF THE PLATES. 



NoTK. — Slight differences may be noted in places between the text and some of the 

 figures on the earlier plates. The specimens from which these drawings were made are no 

 longer accessible, and the descriptions are taken from others, which results in bringing 

 individual variations into prominence. 



PLATE I. 



Liparis Agassizii Putnam. 

 Fig. 1. A full length view of the side. 



Fig. 2. The same specimen as seen in front, with expanded pectorals. 



Fig. 3. The left side of the body proper, exposing the tubes of the face, the liver, pyloric cKca, 

 stomach, ovary, and bladder. 



PLATE II. 



Liparis Agassizii Put. 



Fig. 1. Representation of the upper surface, full length. 

 Fig. 2. Appearance from beneath, showing the disk. 



PLATE III. 



Liparis Agassizii Put. 

 FiiT. 1. The entire side after the removal of the skin, showing the muscles and the tubes leading to 



the pores. 

 Fi". 2. A lateral view of the skeleton. 

 Fig. 3. The skull as it appears from above. 



Fig. 4. The anterior upper portion of the head, exposing the nasal cavity and nostrils. 

 Fig 5. One of the teeth. 



PLATE IV. 



Liparis pulchellus Ayres. 



Fig. 1. A complete view of the side. 



Fig. 2. Upper surface of the same specimen. 



Fig. 3. A drawing of the ventral surface, indicating the disk and pectoral fins. 



Fig. 4. A front view. 



Fig. 5. A single tooth. 



