Pleuronectidæ, with the peculiarly placed eye in different positions (from Dr. Traquair's paper in Linn. Soc. Trans., 1865) ... [37], [166]
Mouth of Whale (from Professor Owen's "Odontography") ... [40]
Four plates of Baleen seen obliquely from within (from Professor Owen's "Odontography") ... [41]
Echinus or Sea Urchin ... [43], [167]
Pedicellariæ of Echinus very much enlarged ... [44]
Rattlesnake ... [49]
Cobra (from Sir Andrew Smith's "Southern Africa") ... [50]
Wingbones of Pterodactyle, Bat, and Bird (from Mr. Andrew Murray's "Geographical Distribution of Mammals") ... [64], [130], [157]