xi 
EXPLANATION OF PLATES.. 
PO 
N.B. The dark back ground to the skull represents the shape of the 
head of the animal. 
PLATE I. 
FAMILIES. 
1. Balena—Balenide. 
2. Catodon—Catodontide. 
3. Delphinus—Delphinide. 
4. Halicore—Manatide. 
PLATE II. 
. Baleena mysticetus, 12. 
. Baleenoptera rostrata, 32. 
. Catodon macrocephalus, 49. 
. Physeter Tursio, 56, from Sibbald. 
POD 
PLATE III. 
DELPHINID2. 
1. Hyperoodon latifrons, 69. 
2. Ziphius Sowerbiensis, 71. 
3. Delphinorhynchus micropterus, 73. 
PLATE IV. 
DELPHINIDA. 
1. Beluga Kingii, 77. 
2. Neomeris phocenoides, 80. 
3. Phocena communis, 81. 
PLATE V. 
DELPHINID. 
1. Grampus Cuvieri, 83. 
2. Globiocephalus Svineval, 87. 
8. Orca Capensis, 95. 
